Light snow is rapidly spreading across eastern Ontario this morning and about to reach Montreal's western suburbs. Visibility is down to 1km in snow at Ottawa with steady snow falling the entire length of the 401 to Toronto. This is not a storm, but temperatures are quite cold outside and the snow will stay on roads and highways today. Travel will be slick and slow all day in all our regions. The system causing the snow is an Alberta clipper that only yesterday was over Saskatchewan and by late Sunday will be over Newfoundland. These storms are wrapped up in the jet stream and move very rapidly. They are usually moisture starved with little in the way of snowfall. This one is a little more potent drawing moisture from the Great Lakes, so look for a quick 5-10cm of snow by midnight tonight.
It is cold this morning in southern Quebec. The airport in Montreal dipped to -14C while it was around -16C here at my home on Ile Perrot and as cold as -20C in Huntington near the New York border. Look for a slow warm up today to -8C before it cools off for Sunday with a sunny, breezy high of -10C. Some of the coldest air of the season will invade Ontario and Quebec next week. Before that we are looking at a storm on Tuesday with snow, sleet and maybe even rain in some locations. This difficult forecast will play itself out as the weekend moves along. One thing is certain travel will be affected, there will be snow and ice, and it will turn bitterly cold behind the storm. Consider yourself warned! Be safe.
***By the way speaking of cold, today is the anniversary of the coldest temperature ever recorded in Montreal, -37.8C (-36F) on January 15, 1957.
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