Severe thunderstorms swept through southern Ontario, including the Toronto area, on Tuesday, April 29, leading to widespread ...

Environment Canada has issued a severe thunderstorm watch for Niagara Region as southern Ontario braces for another period of ...

A severe thunderstorm watch has been issued for parts of southern Ontario. Conditions are favourable for the development of ...

Winds surpassing 100 km/h and ping-pong ball-sized hail are in the forecast for parts of southern and eastern Ontario Tuesday.

A taste of summer heat in southern Ontario on Tuesday set off severe thunderstorms in the afternoon and evening, leading to ...

Large swathes of Ontario, including the Greater Toronto Area, could see damaging “supercell” storms this afternoon into the ...

Windsor-Essex and much of southwestern Ontario could be in for a thunderstorm Tuesday afternoon, Environment Canada says.

The risk is expected to become more widespread in the afternoon and evening. “Many areas in southern and eastern Ontario come under the threat of these strong thunderstorms and that could generate a ...

The National Weather Service has issued a Severe Thunderstorm Watch for much of Western New York and the Finger Lakes region, ...

Multiple days of thunderstorm threats will surface in southern Ontario this week as instability builds up on Thursday and ...

A weather system could bring severe thunderstorms, a tornado risk, strong wind and large hail to southern Ontario.