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

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

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

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

Any severe thunderstorms that form across northwestern Ontario could pack damaging winds, large hail, and heavy rainfall. One or two tornadoes are possible, especially around the international border ...

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

Environment Canada has issued a severe thunderstorm watch west of Gatineau Thursday, noting a tornado could develop.The watch ...

More than 40,000 local customers are without power after Thursday evening's series of thunderstorms.Severe thunderstorm ...

A powerful line of thunderstorms is expected to sweep across a large portion of the U.S. Midwest Monday, bringing strong ...