Published on Dec. 8, 2025, 3:08 PM
Frigid start to the week in southern Ontario, with multiple rounds of snow expected to follow
December is off to a wintry start across Ontario, and this week will be no different, with frigid temperatures and rounds of snow hitting the province ahead of the official start to the season. Some areas could pick up 5-15+ cm this week.
RELATED: Toronto braces for coldest temperatures in nine months
Be sure to monitor the forecast for updates regarding snowfall amounts and impacts, as well as any alerts as conditions change or deteriorate.
Midwinter-like chill and rounds of snow to start the week in Ontario
The week began with a midwinter-like chill, bringing the coldest daytime highs in more than nine months to places like Toronto and Ottawa. Temperatures were well below seasonal for most areas.
By Tuesday, a clipper system from the Prairies will deliver widespread snowfall across northern, central, and southern Ontario. Regions east of Lake Superior could see 5-10 cm of snow, while 2-5 cm is expected across southern Ontario.
RELATED: Toronto increases parking fines as snow hits the city
Overnight, heavier snow will arrive as a second clipper moves in, with significant snowfall rates anticipated into early Wednesday morning.
Heavier snowfall likely midweek
Snowfall continues through the morning on Wednesday, with the potential for precipitation transitioning to a wintry mix or rain along the southern Great Lakes shoreline. Snowfall accumulations will vary, but a widespread 5-15+ cm is expected.
