A couple of weather systems have the potential to give us some wintry weather over the next couple of days across Quebec and Ontario. Today will be cloudy and seasonable with highs just above the freezing point t 2C. I don't expect any precipitation today. Tonight a warm front will advance on the St. Lawrence Valley with limited moisture. There will be enough however for a period of freezing drizzle late overnight and into Saturday morning which could make travel slippery. Conditions will warm Saturday with just plain showers expected and highs near 3C. A cold front late Saturday will bring more showers changing to flurries and ending overnight. Skies will clear will lows down to -4C. On Sunday we can expect sunny skies and highs around -3C.
The forecast then gets a little interesting with a complicated frontal boundary heading our way. The forecast from Environment Canada has been flip flopping between rain and snow for Monday as low pressure tries to get going across the Ohio Valley. The consensus with the model data as well as neighboring weather offices seems to favor the warmer approach with snow Sunday night changing to rain Monday before tapering to flurries Monday night. Again temperatures would start below freezing during the event and warm to highs of around 4C on Monday. Now I said this was the general consensus, and I have to favor this warmer solution based on what I have seen this December. However Environment Canada here in Montreal is now calling for snow on Monday and a cold -5C for a high. The logic behind this must be that the warm front will remain south of Montreal with cold air trapped here in the St. Lawrence Valley. I am going to stick to the warmer idea but we shall see how the forecast plays out. I will update the blog all weekend long as so many are travelling and shopping at this time of year.
Drive slow and play nice out on the roads, treat others as you would like to be treated. Be safe!
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