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

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 ...

Large hail is expected to be the biggest threat, ranging from the size of a loonie to a ping pong ball-sized hail. Between the afternoon to evening, multiple rounds of storms will continue to hit ...

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

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

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 ...

Hazards: Wind gusts up to 110 km/h Torrential rainfall with amounts possibly in excess of 50 mm Nickel sized hail A tornado ...

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.