Colder than the Arctic Circle: Harsh pattern sweeps most of Canada this week
Below normal temperature pattern affects nearly all of Canada late this week
A sharp shift to a cooler and active weather pattern is expected to sweep across Canada this week, leaving most major cities at or below seasonal temperatures starting Thursday, and lasting into the weekend.
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A combination of northern winds and descending weather systems will push out nearly all signs of summer heat.
In B.C., a low descending from Alaska will bring cool, unsettled conditions. Across the Prairies and into Eastern Canada, modified Arctic air will be ushered in by a low pressure system from the north.
Toronto could be colder than the Arctic Circle by Friday
Toronto, Ont. is shaping up to be one of the colder spots once again, with Friday’s daytime high forecast to dip to the teens (potentially 17°C) under a chilly easterly wind. This is well below the seasonal norm of 23°C, and will be even colder than Inuvik, N.W.T., which may reach 21°C.
Chilly conditions will persist in Toronto on Saturday, with the threat for clouds and rain dampening the day.
Some of the ‘warmer’ places could include parts of the Prairies, Montreal, Que., and Halifax, N.S.
Wildfire relief: Shifting pattern offers some benefits across Western Canada
This weather shift carries some benefits, including a reduced fire danger, and the potential for much-needed rain in Western Canada. However, the wetter and cooler conditions mean it may not be an ideal weekend for outdoor activities or summer plans in many regions.
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Active weather, including the risk of severe thunderstorms, remains possible in some spots across the Prairies.
Some uncertainty remains in the exact temperatures this far out, but there's good confidence in the overall shifting weather pattern.
Stay updated as the pattern evolves, and prepare for a wet, cool end to the week in many regions.