Several rounds of severe thunderstorms swept through northwestern Ontario during the day Sunday, first in the morning and ...

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

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

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

You could get into some heavy downpours, especially through those (southwestern) areas,” an Environment Canada meteorologist ...

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

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

Ontario's ongoing severe storm threats this week will be on the move Wednesday and Thursday, shifting farther south and east ...

Severe weather researchers say a weak tornado touched down in a community north of London, Ont., on Monday afternoon.

Thursday will be a day to be weather-aware in eastern Ontario and southern Quebec, which will see numerous storms roll in ...

Localized flooding and strong wind gusts will be the predominant threats Sunday—but some rotation can’t be ruled out ...