Arctic air fuels prolonged, lake-effect snowfall this week, potential for additional 20-50 cm
Conditions will continue through Friday, spilling into the weekend, with an additional 20-50 cm possible in the snowbelts and areas north of Barrie.
A particularly dangerous squall is forecast to lock into place late Thursday into Friday for the Collingwood, Barrie, Midland and Orillia areas, dumping, locally, up to 50 cm of snowfall in the hardest-hit locations.
Continued road closures are likely. Road closures are also possible for Highway 400 and Highway 11.
WATCH: Has it been the snowiest December on record for Toronto?
Ontario will ring in 2026 with widespread wind chills in the -20s across southern sections, and -30s across northeastern areas through early New Year’s Day.
Temperatures will dip close to -25ºC in Ottawa early Friday morning. Meanwhile, Timmins approaches temperatures near -30°C for overnight lows.
Public safety alerts issued amid hazardous travel
Extremely dangerous conditions have prompted official warnings in parts of central Ontario. The Township of Springwater declared a significant weather event, urging residents and motorists to stay off the roads.
