The potential for severe thunderstorms will pop up in parts of southern Ontario on Saturday. Heat and humidity are set to ...

Ontario will see high heat and humidity this week, with humidex values nearing the 40s and increasing thunderstorm risks from ...

Environment Canada warns of building heat up to 30 C followed by four days of severe thunderstorms and potential tornado ...

Severe thunderstorm watches have been issued for much of northwestern Ontario, with strong wind gusts and large hail possible late Monday afternoon and evening. The yellow-level watches, first issued ...

While Ontario gets a taste of summer for the long weekend, that includes pleasant and potentially stormy weather. The risk of ...

Environment Canada launches an advanced 36-hour thunderstorm outlook tool to provide early warnings for severe weather and ...

Ontario faces a dual weather threat this week, with extreme heat and the potential for thunderstorms ...

Environment Canada says they are tracking a severe thunderstorm across parts of southern Ontario that is producing a tornado.

Environment Canada issued a severe thunderstorm watch for southern Ontario, in particular communities west of Ottawa such as Bancroft, Kaladar and Pembroke, and Midland southwest towards Sarnia late ...