Three tornadoes are confirmed to have occurred in the same Ontario area last weekend. The Northern Tornadoes Project said ...

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

Severe thunderstorms are likely across portions of southern Manitoba and northwestern Ontario again on Sunday as an active ...

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

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

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

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

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

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

Rain from the U.S. Midwest will push into southern Ontario late Saturday afternoon, but don’t cancel your plans just yet ...