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5h ago

Ontario Braces for First Widespread Snow as ECCC Warns of 15 cm in the North

Models indicate 5–15 cm for southern Ontario on Sunday, favoring snowbelt areas north of Highway 401 with little downtown Toronto accumulation.

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Environment Canada says the season's first snowstorm could bring three to 15 cm of snow to the capital.
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Overview

  • Environment and Climate Change Canada has a snowfall warning for parts of northern Ontario, including Timmins, Cochrane, and Kapuskasing, calling for about 15 cm today with near-zero visibility and difficult travel.
  • The Weather Network forecasts a Sunday system that could deliver the first accumulating snow of the season to many southern Ontario communities, with totals highly dependent on the storm track.
  • Downtown Toronto is projected to see less than 2 cm, around 5 cm is expected in parts of the GTA, and areas beyond the GTA such as Barrie, Peterborough, Bancroft, and Ottawa could reach 10–15 cm.
  • Forecasters flag the potential for road closures north of Highway 401 and along Highway 402, urging drivers to prepare for icy roads and reduced visibility, especially for vehicles without snow tires.
  • Colder air is forecast to settle in after the system, setting up lake-effect snow for snowbelt regions on Monday and Tuesday with temperatures dipping below freezing north of the 401.