Unsettled conditions move in from the west as we close the book on 2025.

Ontario rings in the New Year under a wintry veil. southern Ontario sees gusty winds and lake-effect snow. A notable snowstorm is likely to develop by the 3rd.

Bitter cold for northern Ontario. Overcast, light flurries eastern Ontario.

Fair skies southwestern Ontario, but by the 10th, a strong low-pressure system tracks through central Ontario, bringing heavy snow and gusty winds.

Mild conditions for southern and eastern areas, with gusty winds and scattered snow squalls. Western Ontario may see brief thaws.

A deep freeze grips the province. northern Ontario plunges into sub-zero temperatures, with clear skies and dangerous wind chills. Toronto is dry but frigid, while Lake Huron’s eastern shore sees brief snow bands on the 18th.

Wet, cool southern Ontario, followed by gusty winds and blowing snow.  Snow squalls and icy conditions, especially around the 22nd–23rd, for Eastern Ontario.

A fast-moving Alberta Clipper sweeps through the province.

Heavy snow eastern and southern Ontario, sharp cold snap.