Mar 13, 2012; 2:00 PM ET
Pattern of extremes through next week, with incredible warmth from the Prairies into eastern Canada, while colder and stormier weather impacts the West.
In the meantime, a storm will track into the Gulf of Maine Wednesday and with just enough cold air to the north there will be a band of accumulating snow from eastern Quebec to the Maritimes Tuesday night through Wednesday night.
The map below shows expected snowfall on unpaved surfaces from tonight through Wednesday night.
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Incredible warmth continues through the weekend and likely into next week!
The jet stream will remain far to the north over Hudson Bay through the weekend, which will allow May-like warmth to cover a huge area from the U.S. Midwest through the eastern Prairies and Ontario.
In this region, average temperatures this weekend will be as much as 8 to 14 celsius warmer than what they normally are at this time of year.
The bad side to this is that any early flowering plants or trees that emerge over the next 7-14 days could very well be in danger (hard freeze) if the pattern just goes back to normal.
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