A cold front has left the air this morning crisp and chilly in Montreal. Winds are gusting over 30km/h adding a nip to the air. Temperatures are around -1C and will not climb much more than that today. Tonight will be clear and with diminishing winds, we should see our coldest night of the season approaching -10C across the area. This pales in comparison to western Canada where Bow Island and Sundrie, Alberta were down to -38C yesterday morning. That was the air temperature and did not take into account any wind. Today more harsh weather is affecting the west with snow and blowing snow in Saskatchewan and Manitoba, and more snow for Victoria and Vancouver. Meanwhile the cold persists in Alberta however a slight warming trend is in the forecast, but ever so slowly.
Our next weather will come from an approaching warm front and low pressure area that is affecting the western Great Lakes and northern plains today. Snow is causing Thanksgiving travel delays from Kansas northeast towards Michigan. This system will move north and east and push the warm front towards the St. Lawrence Valley late Thursday. Clouds will increase with precipitation beginning overnight into Friday. With cold air at the surface, expect another round of freezing rain before it switches to rain on Friday behind the warm front.
The current pattern is is something we did not see much of during the past two winters when we did not have many days of freezing rain. Until the systems begin to take a more southern route we will continue to see storms evolve in this manner. The same situation is expected again by next Tuesday, but lets deal with tomorrow's storm first. I expect icy roads overnight Thursday and into early Friday across the area from Burlington and Plattsburgh to Montreal and Cornwall as well as Ottawa. Further north and east snow is likely towards Quebec City and points north.
On Friday conditions should improve from Montreal south and west.
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