A historical heat wave is gripping Ontario, with several new all-time records in jeopardy ...

Widespread air quality warnings are in place across Ontario, caused by out-of-control wildfires in the northwestern part of ...

If you've been feeling like we've been experiencing more days that felt like summer, even if they aren't within the actual season, technically, you're right. That especially rings true when it comes ...

Add Yahoo as a preferred source to see more of our stories on Google. Tuesday's flooding in Toronto, Ont., was rather severe, but it's too early to say if it will approach or exceed the magnitude of ...