Polar Vortex Canada

• Polar vortex brings May snow to Ontario

  This weekend's weather, which has already set several records in places around northern Ontario, has also set off a chain of frost advisories across the southern part of the province.

  Environment

  May 9, 2020
  
• Polar vortex brings frigid weather to much of Canada — but relief is (almost) in sight

  Above-normal temperatures and even rain are in the forecast for some areas currently dealing with the deep freeze.

  Weather

  Jan 30, 2019
  
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• Polar vortex splits into three, setting up Ontario and Quebec for -30C cold and a weekend storm

  For any Torontonians and Quebecers who remember the "polar vortex" of 2014/2015 — it's like that. Bitter cold.

  Weather

  Jan 16, 2019