Wind and snow create chaos on Quebec - Ontario roads

Blowing snow reducing visibility in St Laurent yesterday afternoon. (ValleyWX)

Yesterday was a day to forget on Quebec and Ontario roads. At one point in the afternoon just about every major route out of Montreal was either blocked or completely closed by accidents. Nearly 200 were reported in the region, many serious including multiple vehicles north and south of the city. Three fatalities were reported, 2 near Quebec City and one near my home just west of Montreal on Highway 30 in Vaudreuil/Dorion. An Alberta Clipper with a little more energy than expected put down about 5-10cm (2-4 inches) of snow during the morning commute. That in itself created very poor driving with numerous delays and small incidents. The big wrecks followed along a trailing arctic front that plowed across the city around 11am, picking up the fresh powdery snow and creating a blinding blizzard. Those conditions lasted for several hours with winds reaching 80km/h in Montreal, stronger south of the city.

One of hundreds of accidents on Quebec and Ontario roads on Monday. This one involved 40 cars near Ste Adele with many injuries. (CTV)

I feel bad, it was a miss on my part. I did not expect the front to be so potent. Neither did Environment Canada, because the blowing snow warning was issued after the event started and worth many already trapped on dangerous roads. In any event it has been an energy draining month with relentless wind and cold, long commutes and lots of accidents. Thankfully very little snow, only 15cm so far this month at Dorval. But as we have seen it does not take much to create chaos.

DEEP SOUTHERN STORM
A winter storm is forecast to spread snow and ice across the normally warm states of Florida and Mississippi today with as much as 1-3 inches forecast. The storm will then impact Georgia and Carolinas with snow and freezing rain. Winter Storm and Ice Warnings stretch from the Florida Panhandle to the Outer Banks and Virginia. This will be a high impact event affecting regions that are unable to deal with the snow and cold. If this keeps up the Groundhog will need security!

Terrible day on Montreal - Quebec - Ontario highways

Firefighters examine the carnage on Highway 15 near St Adele. (Global News)

Strong winds along and behind an arctic cold front produced widespread blowing snow today. Near zero visibility in 60-80km/h wind gusts during the middle part of the day produced numerous accidents and road closures. Highway 15 south of Montreal near St. Philippe was the site of one multi-vehicle accident as was the Laurentian Autoroute north of Montreal near St Adele. The St Adele crash involved over 40 vehicles with numerous injuries, three critical. Firefighters used the Jaws of Life to free nearly 30 drivers. Late today another major collision closed Highway 132 on the South Shore near Matte Blvd in Brossard. Other major accidents were reported on Highway 40 west of Montreal, Highway 417 in North Glengarry, Ontario and the Highway 416 south of Ottawa. Two fatalities were reported in collisions east of Quebec City.

Highway 416 south of Ottawa this morning.

Potent clipper - arctic front sweep city

A slow drive from L'Ile Perrot this morning. It took two hours to go about 30km.

A poorly timed clipper and arctic front is sweeping Montreal this morning, making a mess of the commute. An area of snow moved across the island of Montreal with between 5-10cm falling since 5am. Poor visibility and icy roads have created a rash of accidents on the highways. The front should clear Montreal by noon. Strong gusty winds between 50 - 70km/h will create lots of blowing and drifting snow this afternoon, especially off island south and west of the city. In addition frigid temperatures will return, we are currently at -14C, and will drop to -22C with dangerous wind chill values overnight. Tuesday will be sunny and cold. Poor road conditions are also occurring in other parts of the province as well as Ontario.

A break from the cold - some snow & wind Saturday

Montreal and portions of Ontario and southern Quebec will get a break from this intense cold on Saturday. But before that we have another frigid morning in the city with current temperatures at -24C. A stiff breeze is making it feel like -30C or lower. It was another quick walk with my puppy, she was just as happy as I was to end it. It has been a miserable month, even with the thaw in the middle, this cold really wears you down. Hydro Quebec reported record consumption on Wednesday morning. The cold has also lead to a rash of fires in Quebec, as is the case in this weather, they are very difficult for firefighters, dealing with intense cold.

The break will come at  a price on Saturday as a windy Alberta Clipper moves from the Great Lakes across Quebec. A period of snow will develop Saturday and be blown around by some gusty winds. The heaviest snow will fall closer to the Great Lakes and Ontario where 5-15cm is possible, here in southern Quebec 2 to perhaps 5cm. It will not be a big snowfall but gusty winds between 50 and 80km/h will blow it around, again especially in Ontario. Temperatures will rise today and tonight and reach a respectable -5C on Saturday. It will turn colder on Sunday so enjoy the one day reprieve. A couple of arctic fronts late Saturday and again late Sunday will put us back in the deep freeze by Monday morning.

Frigid morning in Montreal

It is the coldest morning so far this winter at -27.2C (-17F) currently here at my home in southwest metro Montreal. Temperatures are cold everywhere with -35C (-31F) at both Cornwall/Massena and Huntingdon along the US border. Hydro Quebec is asking us to conserve power during the peak hours of 6-9am and 5-8pm as they are expecting record consumption in this cold wave. There is no relief this week with arctic high pressure well in control. Sunshine will prevail with a light breeze and a high of only -19C (-2F) today. Another frigid night is on tap for the entire area with lows down to -25C in the city and as cold as -30C in the suburbs. Thursday is the same as today, -19C with sunshine. There will be a brief warm up over the weekend with temperatures nudging up to -10C or so. Along with the "warmer" weather will be a chance for snow both Saturday and Sunday. This will come from two clipper systems, so expect a general 5-10cm snowfall, perhaps more locally. Not a big storm but as we saw Monday in Montreal, it does not take much to mess up traffic. We dive back into the deep freeze next Monday with another surge of arctic air heading south. Lots of winter left to go folks, so don't think this is over yet, as many thought last week with our prolonged thaw.

Snow clearing operations underway at Reagan National in Washington DC on Tuesday. Despite the best efforts of airports, thousands of flights were cancelled across the northeast including Montreal. (Getty Images)

Speaking of delays, thousands of  flights across North America have been delayed or cancelled as a result of 8-18 inches of snow, strong winds and extreme cold from Norfolk, Virginia north into Halifax and Atlantic Canada. Most major northeast US cities were impacted on Tuesday with Philadelphia and New York receiving 10 inches of snow. The storm responsible for all the weather is off the coast of Cape Cod this morning moving northeast towards Nova Scotia. Blizzard warnings are posted for many regions of Atlantic Canada today.

Brutal cold returns to Quebec - major snowstorm US northeast

Frigid arctic air is well established across Quebec and Ontario this morning with the thaw a fleeting memory. The mercury here on L'Ile Perrot dropped to -24C this morning with -26C in Ottawa. Wind chill readings are in the -30 to -35C range, and in many ways it feels colder than the start of this month. Amazing what a few above freezing days in January can do to your system. It will remain cold for the balance of the week with arctic high pressure in control of our weather. Windchill warnings are in effect for a large portion of Ontario and Quebec but not here in Montreal. Splitting hairs really as we will be just on the edge of the warning criteria. Means nothing, it is still cold out for all of us from Windsor to Quebec City. Sunshine with some clouds will prevail today with an increasing northeast breeze and highs no better than -19C. It will be frigid tonight down to at least -25C in Montreal.

Meanwhile the cold air has reached well into the US once again with many east coast cities remaining well below zero today. A clipper system moving well south of the lower Great Lakes will reach the Atlantic Coast and rapidly intensify. It will then move into the Atlantic well east of Cape Cod. This track favors a windy snowstorm for southern and coastal New England as well as Atlantic Canada. Winter storm warnings are in effect from Washington to Boston with 15-30cm (6-12 inches) forecast. Blizzard warnings are in effect for Cape Cod as well as Nova Scotia and PEI for up to 40cm of snow along with 50-100km/h winds. The storm will start later today and last well into Wednesday. Expect major travel delays if your plans take you to Boston, New York or Halifax.

Winter returns to Ontario & Quebec - cold windchills

An arctic boundary slipped south of Montreal this morning and into upstate New York. Cold air is now pouring into Ontario and Quebec after the mild thaw of last week. Along the front some decent snow squalls occurred late last evening but only dropped between 1-4cm of snow across the region. Light snow is still falling here on L'Ile Perrot as the cold air deepens. We started the night at around -2C and are currently at -12C. This will likely be out high for the day with temperatures continuing to drop to overnight lows of -23C by Tuesday morning. Precipitation should end and sunshine return by late in the day. Winds will be light to moderate at times with windchill readings around -30C by late this afternoon. Windchill advisories are in effect for the US side of the valley in upstate New York and for regions of Quebec well northwest of Montreal.

It will be a cold week with lows of -20 to -23C and daytime highs from -20C to -17C. It will warm a little on Friday ahead of another cold front approaching the region by late Saturday. At this time no major snowstorms are on the horizon for Montreal with just some nuisance snow expected next Saturday. This cold snap will not be as bad as the one to start the month, nevertheless cold air will push south right to the Gulf of Mexico with sub zero Celsius weather forecast to Florida. A coastal storm will brush the middle Atlantic and southern New England region Tuesday with perhaps 15cm (6 inches) of snow in places.

Colder weather this weekend with some snow for Quebec

A dip in the jet stream will allow for some much colder air to work its way into eastern Canada and the US over the next few days. Yesterday was another mild day across the region with highs around 2C and a decent amount of welcome sunshine through the middle hours of the day.

The trend will be to move away from these above normal temperatures and back towards a normal January/mid-winter pattern. It will not be as cold as it was to start the new year but it will be much colder than it has been. We start today with cloud cover and another week low pressure area moving west of Montreal. A few flurries and a mild high of 0C are forecast. On Saturday and Sunday a couple of stronger clipper type systems will move across the region with lots of clouds and periods of light snow with progressively colder weather. This will not be a storm in any sense of the word, but 3-8cm are possible by the end of the weekend in many areas, especially away from the city.

By Sunday night an arctic cold front will cross the region setting the stage for a few days next week with lows around -20C and highs around -15C in Montreal. After the above freezing weather and melting snow of this week, that will seem frightfully cold!

Winter to slowly return to southern Quebec & Ontario

After December and early January, it appeared that we were in for an old fashion winter with lots of snow and cold, and then the thaw happened. Here we are halfway through January and Montreal has recorded 3.8cm of snow, less than 2 inches. We have also had about 35mm of rain, not a very typical January so far. What makes it even more bizarre was the frigid stretch to start the month followed by this prolonged period of well above normal temperatures, including yesterday as we hit 2C, the normal high is -6C for Montreal.

Today will be mild once again at 0C as more clouds and limited moisture prevail over the region. The dull, almost useless weather will last right through the weekend with warmer than normal temperatures, lots of clouds and very little snow. A few weak systems from the Prairies will move across the region with nothing more than a few flurries. By the middle of next week much colder air will filter into Montreal with highs by Thursday of only -17C. However no major snow events are on the horizon at this time.

Freeze - thaw taking a toll on Montreal roads

Damaged SUV from debris under the Hymus overpass on Highway 40. (Photo Cogeco Nouvelles/Q92)

After starting January with the coldest air in decades, we have gone the other way with a prolonged January thaw. It remains above freezing this morning here on L'Ile Perrot at 2C (36F). It has been at or above freezing since the early hours of Saturday morning here in Montreal. We also have had some light rain overnight with about 3.2mm here in L'Ile Perrot. It will turn colder later today with the temperature falling below freezing to -9C tonight. Look for a few flurries Wednesday with a high back up to 0C .

The swing from sub zero readings to the current temperatures is putting stress on an already fragile road system. As we are already well aware of in Montreal and other portions of North America, our road system is aging. Add to that this brutal combination of extreme cold to heat, along with water and salt and well you get what happened yesterday on the Trans Canada Highway (Highway 40) in Montreal. Around 11:15am, not too far from where I work, and on an overpass I use everyday, a huge piece of concrete fell on the car you see above. Luckily the occupants escaped without injury, but such has not been the case in the past here in Quebec. Transport Quebec and the SQ shut the highway snarling traffic for nearly three hours. An overnight inspection has cleared the overpass/highway for use. Regardless of the cause, weather, poor concrete etc etc, the debate goes on, the warm weather will continue to foster potholes and broken concrete. The roller coaster winter will continue right into this weekend.

January thaw continues

This is the part of winter I don't like! Dirty, massive piles of snow and ice dot the foggy landscape Saturday night in Pointe Claire, Quebec. (ValleyWX)

Winter seems to have taken a break in Montreal replaced with a messy mix of frozen, dirty snow and icy sidewalks. Milder air over the weekend meant rain for all of southern Quebec with freezing rain at the onset Saturday morning. The freezing rain prompted more major delays at Trudeau Airport as well as numerous accidents on area highways especially northeast of Montreal. The mild air is here to stay, the arctic air of last week having been replaced by a westerly Pacific flow. It is at 0C this morning, but will warm to 5C (41F) today and 4C (39F) Tuesday. Clouds will increase today followed by showers tonight and Tuesday. Wednesday looks a little cooler at 0C (32F) with a few flurries around. No major cold or snow is expected in Montreal for the balance of this week. It will turn colder by the weekend - but near normal - not the brutal stuff we had last week.

Once the rainy, mild weather took over the next set of problems evolved, flooding and ice. The ground is still frozen solid, so despite the mild air, there is still a ton of ice around. Ice jams and increased runoff from rain and melting snow has caused flooding along numerous rivers and lakes across southern Quebec and into New England. Riviere-des-Prairies north of Laval has flooded in places as have the Salmon River, St Francis near Sherbrooke and the Tomifobia in Hatley. Several farms in the Cookshire-Eaton region of the Townships reported major flooding on Sunday. Flooding is also occurring across portions of Vermont and New York.

Freezing rain to rain for Montreal

Travel delays again at Trudeau Airport this morning as freezing rain delays flights. (CJAD Photo)

A freezing rain warning remains in effect this morning for Montreal and points north. Freezing rain has been falling in Montreal and Ottawa since early this morning. It should change to rain shortly in Montreal where the temperature is just nudging above the freezing point. The current reading at my home here on L'Ile Perrot in the heart of the St. Lawrence Valley is 0.6C (33F). It will remain icy for several hours as the ground is frozen solid. Eventually milder air and steadier rain will begin to melt some of the ice. The freezing rain is causing more travel problems with roads closed in Vermont, travel not recommended for the time being in St. Lawrence County, New York, and Trudeau Airport in Montreal reporting delays and cancellations.

Flooding will be an issue in portions of Ontario, southern Quebec and New England for the next 24 hours. Between 15-25 mm (0.5-1") of rain combined with very mild temperatures of 8 to 10C (48-50F) and snow melt will increase water runoff into rivers and lakes. Be very careful around them and watch for rising water as well as street flooding where sewers and downspouts are blocked by snow and ice. It will remain wet and foggy overnight along with increasing southwest winds up to 70km/h as a cold front crosses the area. Sunday will be cloudy with temperatures dropping to the freezing point and some flurries around.

Heavy rain - flooding forecast

There is a house somewhere! An incredible amount of snow in Owen Sound, Ontario this week. Flooding is a big threat with heavy rain and rapid snow melt expected this weekend. (The Weather Network)

A major change in the weather will occur this weekend as arctic high pressure retreats back north and we are left with a very warm surge of mild and moist air form the Gulf of Mexico. But first one more cold morning with a low of -17C recorded here on L'Ile Perrot around 3am this morning, it has since warmed to -12C. The rest of the day will be cloudy with some light snow in advance of the main system and mild highs near -3C.

Warm air will continue to stream into southern Quebec overnight with perhaps a period of freezing drizzle or rain before dawn. By Saturday morning enough warm air will filter into the St. Lawrence Valley to change precipitation to all rain. Roads will be icy at the onset overnight but conditions should improve in the city by mid morning. It will remain rather icy across the Ottawa Valley and north of Montreal where freezing rain warnings are posted for tonight. The main concern once we switch to rain will be flooding. With surfaces frozen solid the water will have no place to go but runoff into lakes and rivers as well as pond on roadways. We have so much snow and ice around southern Quebec and Ontario that some flooding will be likely. Another issue may be river flooding where ice jams occur. For that reason a flood watch has been posted by the National Weather Service office in Burlington for all of Vermont and Northern New York. Flooding is also possible across Ontario and western New York where copious amounts of lake effect snow have occurred since Monday. Flooding from ice jams has already been reported along the Niagara River near Buffalo, NY.

It looks like general 25mm (1 inch) of rain is possible for all regions before it tapers to flurries by early Sunday morning as a cold front crosses the region. Temperatures on Saturday will be very mild from plus 5C to 8C (40-46F) forecast for southern Quebec and Ontario. They will drop to near 0C for Sunday.

Rainy & much warmer weekend ahead for entire region

A special weather statement has been issued by Environment Canada for southern Quebec regarding significant rain this weekend. It is a much calmer morning this Thursday as winds that have been blowing relentlessly since the weekend have finally tapered off. Temperatures are chilly but manageable at -12C. The high today under partly sunny skies should be near -9C in Montreal. High pressure will then drift east of the region allowing for a return southerly flow of milder air. Adding to the flow will be a strengthening storm system from the southern Rockies that will move west of Montreal and into James Bay over the weekend. A warm front will approach Montreal Saturday. Steady precipitation will begin as snow or freezing rain very early Saturday before rapidly changing over to heavy rain at times. Rainfall amount could be significant up to 25mm. The rain along with a very warm January high of 8C (48F) will create lots of melting and potential flooding.

It is hopeful that Canadian Coast Guard ice breakers such as the one above, will be able to clear the ice in the Gulf of St. Lawrence to allow ferry service to resume between Quebec and Newfoundland

There is plenty of ice around on rivers and lakes as well as roads and driveways blocking sewers and downspouts. It would be wise to give them a clear path on your property if you can. All is frozen solid now but should soften up in the sun and warmer weather Friday. Speaking of ice, the residents of Labrador & far eastern Quebec have been dealing with severe river ice in the Gulf of St. Lawrence since Christmas. The ice has resulted in suspension of ferry service from St. Barbe, NFLD to Blanc Sablon, Quebec. Commuters and travelers have been stranded with no means to cross the river. Ice breakers are scrambling to clear some of the ice that has formed in the terrible cold of the last month. Meanwhile the ferry MV Apollo sits in dock in Corner Brook, Newfoundland waiting for the go ahead to return to service. This may happen as early as this Friday.

Mild weather on the horizon for Montreal - eastern Canada

The view from the cab of a NYS DOT plow on the Kensington Expressway in Buffalo yesterday. (Sharon Cantillon - Buffalo News)

What a month January has been so far, and it is only the 8th. We have been on a roller coaster of temperatures that has included nearly 65 consecutive hours below -18C (0F) here on L'Ile Perrot to start the month but also a high of 7C (45F). Throw into the mix snow, ice, rain and fierce winds and well you have January 2014...so far. We are on the way up again with one more cold day here in Montreal this Wednesday before the mercury climbs above freezing by the weekend. Sunshine through Friday as we get a break before a frontal system brings mostly rain for the weekend. That will lead to an entire different host of problems from flooding to potholes - but more on that later in the week. For now, sunshine, windy and cold today with a high of -11C, windchill down to -20 or so, relatively warm! Highs by Saturday could be as warm as 8C.

Lackawanna, New York. All roads were closed by police with a travel ban in place.

Stranded drivers at a truck stop in Cheektowaga, NY.

The weather continued to dominate the news yesterday with heavy lake effect snow paralyzing western New York. The second day of blizzard conditions meant schools, airports and roads were closed in and around Buffalo. Another victim was the NHL game between Buffalo and Carolina which was postponed. Winds hit 60mph across the region along with 1-2 feet of snow. Police were forced to close roads and issue a travel ban across portions of Erie, Genesee and Wyoming Counties. Conditions will begin to slowly improve today.

The cold in eastern North America has thrown air travel into complete chaos. Thousands of flights have been cancelled or delayed with tons of passengers stranded and frustrated in Montreal and Toronto and across the east. By all accounts the airlines have been pathetic in providing service and information to the media and public.

IQALUIT BLIZZARD
Finally the storm that caused all this mess has lifted well north into Quebec and Nunavut while bombing out. It is almost hurricane like with a central pressure of 940 mb. The storm struck Iqaluit and Baffin Island yesterday with a fierce blizzard. Winds gusted to 141km/h with heavy snow and zero visibility. The wind closed everything and caused widespread power outages and structural damage. Crews are out today assessing the damage across the region and trying to restore power in the face of dropping temperatures.

Cold & wind return to southern Quebec - Ontario - NY

Interstate 94 in Michigan City, Indiana is littered with cars after the blizzard this weekend. (The Weather Channel)

What a difference 24 hours can make, it was 6C (43F) yesterday morning here on L'Ile Perrot, this morning I am showing -17C (2F) currently with the windchill fluctuating between -25C and -30C. It will remain that way all day with temperatures nearly stationary and strong winds increasing out of the southwest 50-70km/h. Some flurries with blowing snow is possible today for parts of southern Quebec. A shot of lake effect snow from Lake Ontario actually made it as far as the border areas of southern Quebec, Ontario and New York last night, so highways in those areas are snow covered with blowing and drifting snow. In Montreal we have the ice to contend with after the copious amounts of rain and snow melt from early Monday. Flooding was a problem on many Montreal highways including here on L'Ile Perrot. It has since frozen solid making it dangerous to walk. It will remain cold into Thursday before temperatures moderate back to near the freezing point.

The storm responsible for this mess is now in far northern Quebec. In its wake, it has left behind extreme cold all the way into the deep southern US. Record cold temperatures were established across a wide area from the northern plains to Florida. Dangerous windchill values and blowing snow forced the closure of many highways and stranded thousands at airports from Chicago to Boston, New York, Toronto and Montreal. As a matter of fact Toronto's Pearson Airport has a ground stop until at least 9am this morning. Lake effect snow along the shores of Lakes Huron, Erie and Ontario has created blizzard conditions for many communities south and east of the region. In and around Perth & Huron counties the snow forced the OPP to close highways and even suspend the snowplows. In New York, heavy snow, from 2-3 feet is forecast south of Buffalo. Interstate 81 was closed yesterday south of Watrertown, NY. At one point Chautauqua, New York had heavy snow and 45mph winds with an air temperature of -19C (-2F) and windchill readings below -30, just extreme weather! The snow reduced visibility to under a 1/4 mile for most of Monday. It will continue today.

Windy & turning sharply colder

The warnings this morning across Canada and the US are just too numerous to mention. Cold, ice, snow, wind and a flash freeze are all expected today.

WIND WARNING FOR MONTREAL
A strong winter storm over eastern Ontario will move across southern Quebec today then to our north this evening. Extreme cold air is on the west side of the storm while warm air has surged north on the east side of the system. Montreal is currently 6C (43F). I must admit with the recent bout of cold weather and the proximity of Montreal to the storm track, I never thought we would get this warm today, but here we are. In any event the freezing rain that fell for a few hours in the city last night has made for some treacherous side streets and sidewalks this morning. The freezing rain also created numerous power outages in Quebec north and east of Montreal. The warmth will be brief as a powerful cold front is moving across Ontario this morning. The front will draw in arctic air with the mercury dropping to -5C this afternoon and down to -20C tonight. Rain will change to snow, with lots of ice around Montreal as heavy rain has been falling most of the overnight period and water accumulation on roadways is significant. In addition to the cold, strong winds of 50-90km/h will make for dangerous windchill values.

The storm has been severe across the Midwest US with blizzard conditions from Illinois and Indiana into southern Ontario west of the track. Air travel has been affected and even some highways closed. Numerous flights from Trudeau Airport in Montreal have been delayed or cancelled. Adding to the snow and wind are some of the coldest temperatures in the last 20 years with windchill readings close to -50C across Manitoba, Minnesota and the Dakotas, in the -30 and 40's from Illinois into Michigan and Ohio and Ontario.

Freezing Rain Warning for Montreal

The intense cold that gripped Montreal to start 2014 will ease a little today and early Monday. The trade off is that at least 25mm of precipitation in the form of snow, ice and rain are forecast. (Photo by John Kenney - Montreal Gazette)

FREEZING RAIN WARNING
Strong low pressure will lift northeast today from the mid Mississippi Valley into the Great Lakes and eventually down the St. Lawrence Valley. The storm will deepen while doing so providing most of Ontario and Quebec with a decent storm. Cold air in place today will eventually be pushed out by a surge of warm air from the south. This will allow freezing rain to develop along a wide area of the 401/Montreal to Toronto corridor this afternoon and tonight. Northwest of Ottawa it will be mainly snow with as much as 20cm (8 inches) forecast.

Freezing rain warnings are in effect for a wide area from Ontario into Quebec, portions of Atlantic Canada and northern NY and Vermont. The precipitation has started as snow this morning with as much as 5-10cm possible before the changeover tonight. Up to 15mm of freezing rain is possible in Montreal with less to the southwest in Ontario. Winds will be another factor with this storm increasing to 30-50km/h today and as high as 90km/h on Monday as the storm nears Montreal. Once the system passes to the northeast a strong cold front will sweep through Montreal dropping temperatures rapidly with a quick freeze and a return to dangerous cold late Monday and until Wednesday.

Temperatures currently are -9C (16F) here on L'Ile Perrot, they will rise to as warm as plus 4C (40F) in some parts of the metro region by Monday morning before dropping rapidly to -5C (23F) by Monday afternoon and eventually settle into the -20C (-4F) range by Tuesday morning. This will be a very dramatic temperature swing with lots of ice around so be extra careful Monday.

A brief break from the cold in Montreal - snow on the way

A spectacular shot of waves crashing into the coast at Hampton Beach yesterday. US Highway 1A along the New Hampshire coast was closed in sections from flooding and severe ice buildup in the arctic cold. The Nor'Easter shut down Nova Scotia as well as parts of New England with 1-2 feet of wind driven snow and record cold. (Hampton Beach Official Facebook page photo)

After nearly 65 hours of below -18C (0F) weather we finally rose above that mark this morning at 8am here at my home on L'Ile Perrot. We are a relatively milder -14C currently. Still cold and damp but better with a mix of sun and cloud and perhaps a few flurries. We should warm to -12C today on a southwest flow ahead of a cold frontal boundary over the central Great Lakes. This front will draw a storm system up from Oklahoma along the lower Great Lakes and down the St. Lawrence Valley by Monday. Montreal will be on the line between snow and rain as we warm to above freezing by Monday morning. Best estimates at this time are for 10cm of snow for metro Montreal before a switch to freezing rain and perhaps rain. Ottawa should see more snow with up to 20cm. We may see warnings later today for a portion of Ontario and Quebec.

The high in Montreal Sunday will be -7C with 0C Monday. It all goes back to snow with a rapid freeze Monday afternoon as the cold front sweeps in. Some of the coldest air in the last 20 years waits behind that front but I think it will modify before it reaches Montreal.

Extreme cold to ease for Montreal - storm by Sunday

It was a bitterly cold morning in Montreal on Thursday. (ValleyWX)

Yesterday was the coldest day in Montreal since the late 60's as the high was only -23C (-9F). The previous record low max was -17.8C (0F) set in 1968. Low temperatures were cold but not record breaking for Montreal with a low of -27.3C (-17F), the record was -28C from 1981. Gusty winds all day made it feel like -40C outside, all around just nasty to do anything other than walk from point A to B. The cold created some power outages as well as thousands of calls to CAA for dead batteries. This morning is a touch better as we sit at yesterday's high temperature of -23C. It is still windy with windchill warnings posted and a windchill reading of -35C at 7am at Trudeau Airport. It remains cold all over the east with Toronto at -23C and Ottawa at -27C this morning. Other regions of Quebec were as cold as -40C yesterday morning with the coldest going to Normandin, Quebec at -46C. Montreal remained on the extreme northern edge of a big Nor'Easter yesterday with about 2cm of snow. Between 6" and 2 feet of snow fell across New England with the most in the western suburbs of Boston. High surf and heavy winds pounded the coastal areas with some flooding. The storm is hitting Atlantic Canada today with blizzard conditions.

NEXT STORM
Temperatures will rise to -21C today before another bitterly cold night tonight at -26C. On Saturday milder air will begin to move into southern Quebec with a high of -12C forecast and all the way up to -4C on Sunday. The warmer air comes at a price as another winter storm develops over the Midwest and moves towards Montreal. With cold on the backside and warm on the front it looks like a snow or freezing rain event with possibly some rain as well. The track will come more clear over the weekend but it promises to be a messy commute Monday in Ontario and Quebec.

Above: Nearly 2 feet of snow fell west of Boston yesterday.
Below: Meanwhile the entire Seacoast of New Hampshire was hit as well including North Hampton near Hampton Beach. Even rescue vehicles had a hard time on icy highways.

Extreme cold for Montreal - windchill warning

Montreal remains frigid on the northern edge of a large winter storm.

WINDCHILL WARNING

Windchill warnings are in effect for many regions of Quebec and Ontario including Montreal. A nasty northeast wind this morning is turning a bitter morning into a dangerous one outside. Current temperatures across southern Quebec are in the -25C to -30C range with windchill readings nearing -40C. I have -26C here on L'Ile Perrot with a windchill of -30C. The cold will be with us all day along with clouds and a strengthening northeast wind up to 40km/h. Look for high temperatures to do no better than -22C, extreme cold. Light snow will develop this afternoon.

Montreal remains on the northern edge of a developing coastal low that will move from Cape Hatteras to Atlantic Canada over the next 48 hours. The storm is sending moisture well ahead of it with snow from southern Ontario across central New York and into southern Vermont. As the coastal low strengthens some moisture may make it north into Montreal tonight with perhaps 2-5cm (1-2") of fluffy, very dry snow. With the cold and wind it will not be a nice day outdoors. The storm will slam the northeast and New England with 6" to as much as 2 feet of snow. The snow will be blown around by very strong winds (25-45 mph) causing blizzard conditions at times across coastal Maine, New Hampshire, Massachusetts and Long Island. Coastal flooding is also possible with a strong lunar tide as well as onshore flow. Boston and New York will also have snow with this storm. Travel will be affected across the region today so plan/call ahead. It will remain cold well into the weekend before another storm takes aim at the east for Monday. Milder air with this system will mean a mix of precipitation for us in Montreal by late Sunday.

Snowstorm & bitter cold to start 2014 - snowy NHL Winter Classic

It will be a snowy and cold NHL Winter Classic in Ann Arbor, Michigan today.
(The Weather Channel)

WINDCHILL WARNING FOR MONTREAL ON THURSDAY...
Winter weather will dominate the news for the first few days of 2014 as a major winter storm spreads snow, wind and arctic cold from the Great Lakes and upper Midwest across New York and New England and into Atlantic Canada. While the worst of the storm will stay south of Montreal, wind and bitter cold will prevail here in the St. Lawrence Valley. The storm will come together today across the Great Lakes states including Ann Arbor, Michigan where 100,000 fans will pack Michigan Stadium to see the Detroit Red Wings play the Toronto Maple Leafs in the NHL Winter Classic. Between 5-10cm (2-4 inches) of snow is forecast with cold temperatures around -9C at game time this afternoon.

Nor'Easter
The storm will then merge with one developing over the middle Atlantic sates and give coastal and southern New England a wallop. Heavy snow, strong winds, coastal flooding and dangerous windchill readings are expected from central New York across New Hampshire and into Massachusetts and coastal Maine. Winter storm watches and warnings are spread across the region. Montreal and northern Vermont/NY will receive a glancing blow with 2-5cm of snow and strong northeast winds. The wind combined with cold highs on Thursday will produce windchill values in the minus 30's. Highs on Thursday in Montreal will only be -22C. Travel on Thursday south of the city into the US should be reconsidered. Looking ahead cold weather and more snow are likely Saturday with a break Sunday before another storm and more frigid air arrives Monday.

A Frigid Happy New Year

Welcome 2014, now just a couple of hours away here in the eastern time zone. Some snow tonight along an arctic boundary across southern Quebec has come to an end after about 2-3cm. Roads remain slick as the salt does not work very well when it is this cold. Now the mercury is dropping as arctic air surges into the region. I am showing a chilly -22C currently on L'Ile Perrot, it was 0C at this time last year, so it is a much colder new year for sure. The cold weather is here to stay for the first few days of 2014.

As my 9th year of blogging comes to an end, I want to thank everyone for reading. It has been a weather year with lots of dramatic and at times very sad weather events across North America and the World. There was plenty of historic floods, tornadoes a super typhoon but thankfully a quiet Atlantic hurricane season.

Just a few stats from my own little corner of the world, the warmest temperature here at my home was 33.7C (92.6F) on July 17. That same day we had a heat index of 42.2C (107F). The coldest reading was -27.7C (-18F) on January 23. What an incredible spread in temperatures, over 110 degrees Fahrenheit, you have to love Montreal weather. As I mentioned this was my 9th year blogging and 34th year keeping weather data. My blog has received 238,667 page views since I started in 2005. The top countries for visits to my blog by no surprise are Canada and the US. What is surprising are numbers 3 and 4, the Czech Republic and Russia, go figure!

Thanks again for reading. Have a very Happy New Year!

Cold start to 2014

A beautiful but dangerous sight this past weekend in northern Vermont as ice and snow cling to the trees from the December 22 ice storm. It took nearly a week to restore power to all customers. The state is asking for FEMA funds to help offset damage from the storm. (ValleyWX Photo)

Happy New Years Eve everyone! It is 2014 in some parts of the world with the new year underway in Australia and New Zealand and spreading west with each hour.

Here at home, it is a cold December 31 right across the country with temperatures at -36C in Winnipeg, -20C in Ottawa and -19C here on L'Ile Perrot. Advancing cloud cover from a clipper system actually helped keep our temperatures a little warmer overnight. It is all relative really because the windchill is still -26C in Montreal this morning. Look for those clouds to produce 2-5cm of very light snow today, the fluffy really dry kind. As the clipper system slides east tonight another shot of arctic cold air will move in with lows dropping to -26C by Thursday morning and no better than -23C on Thursday. Arctic high pressure will hold, deflecting a developing storm well south of our region, affecting mostly southern New England and New York.

The cold air will modify into this upcoming weekend with some snow possible Saturday and a mild high of -2C Sunday. By early next week a storm along with more frigid air may affect southern Quebec. There are hints it could be a big one, but the computer models  including the reliable European one are all over the place for the next week. We will just have to wait and see as the weekend draws closer.

Snowy Boxing Day in Montreal

Hydro crews work through the Christmas Day holiday trying to restore power to thousands across the GTA. This photo is from Brampton. (CBC)

A weak clipper system is moving across southern Quebec this afternoon with a burst of light, fluffy snow. The snow should taper off this evening with between 5-10cm expected across the region. Temperatures today are slowly warming after a cold Christmas Day that had high temperatures no better than -14C in Montreal. We should eventually warm up today to around -5C, currently -10C on L'Ile Perrot and -12C at the airport in Dorval at noon. A light northeast wind is keeping temperatures down in Montreal. High pressure will move in for Friday before another series of weak clipper systems bring some flurries over the weekend. It will be mild Saturday and Sunday with highs near 0C (32F). Early next week an arctic cold front will bring snow flurries with more frigid weather returning by New Years Eve, lows down into the minus 20's.

It has warmed to near the freezing point in southern Ontario, a welcome relief after the deep freeze on Christmas Day. So many people had to celebrate the holiday in the dark or at warming centers. Power is still being restored across Toronto to many homes after the ice storm last weekend. Over 30,000 customers remain in the dark in Ontario, along with another 13,000 in Quebec and close to 30,000 in New Brunswick. Hydro workers from Ottawa and Manitoba are helping in Toronto. New York, Vermont and Maine are also still reporting outages with crews coming in from other parts of the US to help. Crews are having a difficult time reaching some of the damage with the accumulation of ice and snow and the fact they are responding to smaller outages now, individual lines into neighborhoods or customers homes.

Merry Christmas

Merry Christmas to all my family, friends and readers. Thank you to each and everyone of you for stopping by to chat about the weather or just pick up some info. I wish you peace and warmth today and everyday. Be safe and enjoy the holidays wherever you may be.

It is a very chilly but sunny Christmas Day with a current temperature of -21C on L'Ile Perrot and -25C in Ottawa.
                           

After the ice storm - calm weather for Christmas

This a stunning picture that captures the beauty and devastation of the ice storm in Ontario yesterday.
Posted by Simon O via Twitter.

One more day of unsettled weather from that nasty arctic boundary before we get a break for Christmas. Montreal was very lucky this weekend with nearly 60mm of precipitation falling in the city, but most of it in the solid form. It spared us the devastation that we are seeing in portions of southern Ontario by just a few kilometers. Thousands of trees are down, some on cars and houses along with power lines and poles. Power remains out to nearly 130,000 homes in Ontario this morning from Toronto to Cornwall. There are still thousands without power in southern Quebec, mainly south of Montreal along the US border. Six fatalities were attributed top the storm in Quebec. Montreal has received nearly 2 feet of snow since last Sunday with the first storm costing the city nearly 20 million to remove. Snow clearing operations for this second storm began this morning and will cost taxpayers another 20 million. While we were enduring all this, summer heat spread north along the US east coast with dozens of record highs including New York City, Philadelphia and Washington topping 70F and over 80F (27C )in Norfolk.

Fire & Ice as a hydro transformer explodes in southern Ontario during the ice storm. (The Weather Network)

The weather will finally clam down a little after a final surge of moisture this morning. Some light snow and freezing drizzle is possible today in Montreal and the Townships with temperatures staying where they have been all weekend, -7 or -8C. High pressure will nose into the region on Christmas Eve through Christmas Day with clear and cold weather. Temperatures will be near -12 Tuesday and -15C Wednesday before they moderate slightly on Boxing Day. Travel is much better today, but lots of ice remains so travel with tremendous caution and reduce your speed. There is lots of tree damage in places that received ice from Quebec across northern New York and Vermont and especially Ontario. Tree limbs will continue to fall long after the precipitation has ended. Watch where you stand and park.

Freezing drizzle in Montreal - Nearly 400,000 without power in Ontario & Quebec

Damage in Toronto today. (Photo gcapepic.twitter.com)

Delayed flights, poor road travel and thousands without power are the rule today across Ontario and Quebec as a fierce winter storm continues. Nearly 350,000 Ontario homes have no power this afternoon, 250,000 in the GTA alone. Over 40,000 homes are in the dark in Quebec, but only 1200 in Montreal city. Heavy freezing rain and strong winds have toppled thousands of trees onto power lines across southern Ontario and into NY and Vermont. An arctic boundary is separating winter from summer and funneling moisture northeast into the area while cold northeast winds blow down the St. Lawrence Valley and into Ontario, and New York. Nearly 30mm of freezing rain has fallen on Toronto making it the biggest ice storm since 1998.

Meanwhile in Montreal nearly 60cm (2 feet) of snow and ice has piled up since last Sunday forcing workers to come and clear out the fire hydrants on L'Ile Perrot.

In Quebec freezing rain is now falling in Montreal after nearly 20cm of snow and 15cm of sleet and ice pellets since Friday morning. Meanwhile New York City hit a record high of 71F today, the third warmest December day on record. Portions of the middle Atlantic region are near 80F, just an incredible storm. The system also produced tornadoes in the southeast and thunder and lightning across New York State this morning. A winter storm warning remains posted for southern Quebec until this evening with mainly light freezing rain expected into this evening with strong winds to 70km/h in Montreal.

Over 135,000 without power in Ontario - 16,000 in Quebec

From The Weather Network via Twitter, an eerie scene from Brampton, Ontario early this morning.

First a note on travel, all roads are icy and covered in sleet or snow. Travel is not advised and in many cases dangerous. Trees are falling along the 401 corridor and a state of emergency is in effect across Clinton, Franklin and St. Lawrence County in New York with only essential travel allowed, so rethink Plattsburgh if that was in your Sunday plans. Also if you have a flight out of Burlington, VT. the airport has been closed this morning, call ahead.

Ice and sleet continue to affect a wide portion of eastern Canada this morning with warnings posted from Atlantic Canada to southern Ontario. Montreal thankfully so far has made out well with about 20mm of mixed precipitation, mostly sleet which does not stick to power lines or trees. Roads are terrible but at least we have power. We are mixing with freezing rain this morning, and I have about 3.8mm of freezing rain through the gauge here on L'Ile Perrot. But the type of precipitation varies considerably based on where you are north to south in the area as well as elevation. This time the upper elevations are milder with rain while the valley's have the icy precipitation.

By far the hardest hit region overnight was Ontario from Kingston to Toronto and south into western New York. Heavy freezing rain with even thunder and lightning has brought down hundreds of trees onto power lines. Power is out to nearly 135,000 customers with another 16,000 out in Quebec, mostly along the US border. Temperatures remain cold in Montreal on strong northeast winds gusting to 70km/h. We will see more sleet and freezing rain mixed throughout the day but it will become light this afternoon. I will continue to monitor the storm and provide updates via twitter and the blog.

Winter storm update

A power crew from Rochester awaits the anticipated work in northern New York. Crews are preparing around the region as a major ice event has begun. (WPTZ 5)

Freezing rain mixed with sleet has been occurring all day in Montreal with the heaviest precipitation southwest of Quebec still in Ontario. The forecast remains on track with low pressure and a deep plume of tropical moisture riding northeast along a stalled arctic boundary. Winter storm, ice storm and freezing rain warnings remain posted for all regions from Toronto to Quebec City and east into Atlantic Canada. They also stretch across portions of the Midwest and southern plains northeast into extreme northern New York and Vermont. The hardest hit area for freezing rain with this storm, the worst since 1998, will be from Kingston to Watertown, New York northeast into Franklin County, New York including Massena and Cornwall.

A power line covered in heavy ice in Oklahoma today, the same storm that is heading this way.

Montreal will receive a mix of freezing rain, sleet and snow which hopefully will cut down on the ice accretion on power lines and trees. We can expect 15-30cm of snow/sleet while the southern St. Lawrence Valley is looking for up to 40mm of freezing rain, just a devastating amount. Hydro One in Ontario is already reporting over 10,000 customers without power, mainly near Kingston and Gananoque. Expect that number to grow. I will continue to provide updates as often as I can so check back and watch the Twitter feed.

Major Winter Storm for Montreal & St. Lawrence Valley

Ice and snow slowed the morning commute to a crawl in Montreal on Friday. More of the same today and Sunday as the roads are in terrible shape. (ValleyWX)

A winter storm warning has been posted for metro Montreal and points north with a freezing rain warning for points south to the US border and along the entire St. Lawrence Valley as well as southern Ontario including Toronto. An Ice Storm Warning is now in effect for the valley locations of northern Vermont and New York including Plattsburgh. This morning freezing rain and sleet (ice pellets) are falling here on L'Ile Perrot with a cold temperature of -8C (18F) Meanwhile not too far south temperatures are surging to near 50F across the Green Mountains of southern Vermont.

Lots of moisture will be surging north into an arctic frontal boundary that lies across Ontario and into central New York and Vermont. South of this front it is spring like with rain. North of the front very much like the first day of winter with windy and cold conditions and lots of wintry precipitation. Yesterday Montreal received nearly 15cm (6") of snow with another 5cm (2") of sleet and snow overnight. That brings our totals for the last week to over 50cm (20 inches). We will add to that today with a very tricky and complicated forecast. I will try to briefly make some sense of it below.

The freezing rain and sleet falling this morning across Montreal will become light and scattered today as we await the next wave of moisture tonight. The moisture will ride north with very warm air overriding the cold air here on the valley floor. The result will be a mix of snow, sleet and freezing rain, heavy at times, from Montreal to Toronto and south. The heaviest freezing rain will fall along the 401 from Toronto to Kingston and then south along the US border. The NWS in Burlington is hinting that this may be the biggest ice storm since 1998. There may even be a rumble of thunder with the heaviest precipitation overnight. Precipitation will taper off slowly by Sunday afternoon. There is a real risk for power outages and travel problems late tonight. You should cancel any travel plans for Sunday and wait until Monday. Precipitation will be mostly in the form of snow north of Montreal and into Ottawa. As much as 20cm of snow may fall. Here in Montreal it will be windy as well gusting out of the cold northeast to 70km/h tonight and early Sunday.

Winter Storm Watch for Montreal

Snow continues to fall along a very sharp arctic boundary this evening that is lying just south of Montreal. Warm air continues to ride up and over the front but unable to reach the surface here in the valley. Low pressure moving along the front will pass east of the city overnight with precipitation becoming rather light and scattered in nature. I have been trapped inside all day after spending another 90 minutes in traffic this morning so I am not certain how much snow has fallen. My best guess is at least 10cm. The temperature dropped from -1C at midnight to -9C by 7am this morning in Montreal creating very slick roads. Several accident were reported including one involving a snowplow that closed Highway 20 this morning during the commute. I was stuck in that for awhile.

Roads remain sloppy tonight and there is even some freezing rain being reported along the US border. We may have a break in the action early Saturday before a stronger surge of moisture rides along the front. Snow and blowing snow will begin in Montreal by late in the afternoon and accumulate 10-15cm before changing to sleet or freezing rain. A significant amount of ice is possible in many regions of the St. Lawrence and Champlain Valley's but exactly where is a little tricky at this time. There were tremendous differences in temperatures today over a small weather area from -7C here in Montreal to as warm as 5C in Albany NY. A winter storm watch has been posted for Montreal, and this could be upgraded to some sort of warning by tomorrow morning. I will post an update then.

Major freezing rain event for southern Quebec

This storm will not be as bad as 1998, but the same region from Ontario across southern Quebec to northern Maine will be the focus for lots of ice & snow this weekend, a very similar pattern to that of  98.

We have a very busy Friday morning in the weather department with a complicated forecast combined with one of the busiest shopping/travel periods of the year. A strong arctic boundary lays draped across the international border this morning with Montreal at -7C  (19F) while Burlington, Vermont is at 0C (32F). There in a nutshell is where the problem lies coming up with an accurate forecast. The first of three low pressure areas is moving along that boundary this morning with 5-10cm of snow likely for the St. Lawrence Valley. Freezing rain with this first storm is occurring in southern Ontario and along the US border where warnings are in place.

Temperatures will rise to or above freezing out of the valleys with colder air remaining trapped below 1000 feet and so Montreal will remain cold, around -5C most of the day. By Saturday the next low pressure area will approach from the southern US with a wide area of deep moisture. This system has the potential to produce a significant ice storm across far northern New York and Vermont and the St. Lawrence Valley including Montreal. There could be up to 15mm of freezing rain on Sunday, enough to bring down some trees and perhaps disrupt travel and power.

This is a very dangerous weather event affecting a large region of Ontario, Quebec and northern New England. I will issue another update later today. Currently warnings for freezing rain are in effect for the regions between Montreal and the US border for today. A winter storm watch is in effect for New York and Vermont for Saturday and I expect more watches or warnings will be issued later today for Montreal.

Messy weather next several days for Montreal - Ontario

The scenario for this upcoming weekend remains messy and uncertain with a mix of snow and freezing rain forecast right into late Sunday. We start this morning with an area of light snow over Montreal, look for 1-3cm before it tapers off shortly. It will be milder today around -1C for a high. More snow will move into the region tonight as a frontal boundary lines up across northern New York and Vermont. Warm air will override that front and produce precipitation. All weekend long that front will remain in place with a very sharp temperature gradient separating arctic air in southern Quebec and the St. Lawrence Valley from much milder air working into southern New York and New England. The temperature will remain below freezing in Montreal while it rises way above in southern Vermont. Several waves of low pressure will move along that front bringing moisture from the Gulf of Mexico. The result will be about 10-20cm of snow from late tonight into Saturday morning, that is round 1.

Round 2 arrives late Saturday night in the form of a stronger low pressure area and another surge of mild air aloft along that front. That will trap the cold air at the surface in Montreal, and we could be in for a prolonged period of freezing rain by Sunday. There will be lots of people moving around this weekend with shopping and travel plans. You need to know that this will be a difficult drive all weekend. Wait until Monday if you can or expect delays and difficulty. There will no doubt be some form of watch or warning issued over the next 12 to 24 hours. I will update the blog regarding this storm as often as I can. There is also the risk of power outages with the amount of freezing rain that could fall. If you need to prepare for that in advance, gas, food etc., then do so.

Arctic cold eases - new storm threat for Montreal

Cold and ice slowed the morning commute Tuesday as did the decision of some municipalities, including Kirkland, to do snow removal during the rush hour adding to the delays.

It is another cold morning in Montreal but so much warmer than the frigid lows of Tuesday morning. Temperatures were as cold as -31C in Cornwall yesterday with -26.3 here on L'Ile Perrot. That was the second coldest temperature I recorded here at my home in 2013 the previous being -27.7 on January 23. It was also colder than the record low for the date of -26.1C set back in 1942. The cold produced ice fog off the St Lawrence River that coated bridges and road surfaces in black ice leading to an adventure during the morning commute. I am grateful to be off work today after spending 5 hours in the car just trying to get to and from work over the last two days. Blame it on the weather and a host of other stupidity including in no particular order, snow removal during the rush hour, stupid drivers exceeding the speed of the weather and crashing tying up the rest of us, and no snow tires. Mine have been on since early November and so should yours. Yes I was a little frustrated.

In any event the cold has eased a little this morning as we sit at -14C on our way up to a tropical high of -8C. Some flurries are around this morning but no significant amount is expected. We can also look for a rather calm day Thursday with some flurries around and mild at -1C. This will be the calm before the storm as a couple of weather systems are expected to bring us messy weather in the busy travel/shopping period this weekend. Two low pressure areas will pass just south of Montreal with precipitation arriving Friday and lasting into Sunday. At first snow is forecast but warmer air will allow for a mix including freezing rain which we have not seen much of this winter. As a matter of fact concern is growing for a possible prolonged period of freezing rain. It is way to early to determine the exact track of a storm that has yet to develop as well as the type and quantity of precipitation. However we do know that it will be a messy weekend with perhaps dangerous travel weather.

After the storm - frigid cold returns to Montreal

Snow was falling at a decent rate on L'Ile Perrot on Sunday morning. Nearly 32cm of snow fell at my house. (ValleyWX)

The snow has just about ended in Montreal after 30cm or 1 foot piled up in the city overnight and most of Sunday. Nearly 15cm fell in just a six hour period during the wee hours of Sunday morning. The snow was accompanied by strong winds that reduced visibility to under 1km across most of southern Quebec. Poor road conditions and drivers not adjusting their speed led to the closure of Highway 40 near Rivieres Des Prairies after 40 cars were involved in three separate accidents.

The snow will end this evening but a new problem will develop as the back edge of the system pulls through, strong winds. Winds in excess of 60km/h along with dropping temperatures to around -18C will produce dangerous windchill readings as well as blowing snow, especially off island. Travel with caution tomorrow and allow extra time for the commute as roads will be snow covered and narrow in the city due to snowbanks.The storm is now hitting Atlantic Canada with 30cm of snow and blizzard conditions across New Brunswick and PEI and into Newfoundland overnight.

Above and below show poor raod condtions in and around Montreal. (CBC News)

Winter storm update

WINTER STORM WARNING for all regions. Below is a radar shot of the storm advancing into Quebec, and stretching all the way south to Florida.

The big weather system that is spreading snow and strong winds from Ontario into Quebec and New England will arrive shortly in Montreal. It remains very cold and windy in the city at 6pm, -18C with a windchill of -30C. Winds are gusting to 31km/h at 6pm and will increase to 50km/h overnight with widespread blowing snow. The snow is into Ottawa now, starting off very light but should become heavy overnight. Low pressure over Ohio is transferring energy to a second storm near Delaware, which will deepen rapidly. That second storm will move to Cape Cod on Sunday and then into Nova Scotia. Heavy snow, dangerous windchill and blowing snow are forecast for Montreal with 20-30cm likely by Sunday evening. In Ontario today there have been reports of 15-20cm around the GTA. Travel is not advised along the 401/20/ or 417/40 corridor tonight and Sunday.

Winter Storm Warning for Montreal

WINTER STORM WARNING
Environment Canada has hoisted winter storm warnings for all of southern Quebec including metro Montreal. The warnings extend into eastern Ontario and across all of New England. Latest model guidance suggests a slightly more western track of the coastal system which will allow for heavy snow in Montreal. Snow will begin this evening after supper I believe and continue into Sunday afternoon. Total storm amount of 15-25cm are likely with even some 30cm plus amounts across the Townships. It will be windy and dangerously cold with this storm, almost blizzard conditions at times overnight in Montreal. Winds of 30-50km/h out of the northeast combined with temperatures in the minus teens will make it very cold along with low visibility in blowing and drifting snow. Travel at this time should be avoided late tonight and certainly the early portion of Sunday. Temperatures are frigid this morning at -22C, they will "warm" to -18C today and up to -11C Sunday. Behind the system on Monday it will be cold and breezy for the clean up.

Snowy & cold weekend for Ontario & Quebec

A very cold air mass is settling into southern Quebec this morning with temperatures at their warmest currently. It is -11C here in Montreal but will drop down to -16C by this afternoon and well below -20C across the entire region tonight. The cold is being driven by gusty northwest winds up to 50km/h at times. Dangerous windchill values can be expected right into Saturday. Along the leading edge of the arctic front, snow squalls have developed this morning in portions of Ontario, making for some nasty travel north of the GTA.

Graphic from the NWS in Burlington showing 20-25cm (8-10") storm totals along the US border region. Montreal can expect 10-15cm (4-6") at the very least.

WEEKEND STORM
Clear skies tonight will allow for the coldest night of this winter season with lows expected between -23C in Montreal to the low -30's north of the city. Skies should be clear with clouds on the increase Saturday with winds developing from the northeast by late in the day. The high on Saturday will struggle to make it to -15C. Those clouds will bring snow to Montreal by late Saturday as two low pressure areas move northeast. The first from Ohio will begin to weaken as a second stronger storm develops along the east coast. That second low will move from Delaware to near Cape Cod by Sunday morning and then into Atlantic Canada. Look for the snow to continue into Sunday with 10-15cm forecast for Montreal. Further north and west a little less with more into the Townships and Vermont. It will be windy on Sunday with lots of blowing snow, as the snow will be very light and fluffy in the cold air. A winter storm watch is now posted across Vermont and New York. I expect we may see some warnings as well for extreme southern Quebec as snow totals will approach 20cm along the US border. Travel will be impacted in all regions Sunday. The snow should taper by the afternoon Sunday.