Any severe thunderstorms that form across northwestern Ontario could pack damaging winds, large hail, and heavy rainfall. One ...

Environment Canada issued tornado and severe thunderstorm warnings for parts of northwestern Ontario on Sunday.

At 4:52 p.m. EDT on Saturday, the National Weather Service issued a severe thunderstorm warning in effect until 5:45 p.m. EDT ...

Farther north, a cold front over far northwestern Ontario will force the development of several rounds of additional ...

A Thursday evening storm system that briefly included a tornado warning southwest of Ottawa is on its way out of the region.

Severe storms swept across Ontario Thursday, cutting power to thousands and toppling trees and power lines. Officials are ...

Environment Canada issued a tornado warning for Sharbot Lake and area on the evening of Thursday, Jul. 24, 2025. “At 9:12 p.m ...

A tornado warning is in effect for the Espanola and Killarney areas.

Environment Canada updates that conditions are favourable for the development of dangerous thunderstorms that may be capable ...

Parts of southern Ontario could get severe thunderstorms with a risk of a tornado on Thursday. While the heat warning ...