Power outages and downed trees are reported as storms fire up across parts of Ontario and Quebec. Folks are reminded to take ...

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 ...

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

Summer in Ontario may bring with it warm weather, but last week's tornado in Lucan is a reminder that it’s also tornado ...

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

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

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

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

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

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