Sweltering summer temperatures caused heat warnings across six provinces and territories on Tuesday, with parts of Ontario ...

As high heat continues, thunderstorms are increasing concerns about lightning strikes starting fires across the province ...

Toronto is under its fifth heat warning this year, outpacing the number of heat events that happened last year, according to ...

Tuesday and Wednesday are now expected to bring humid temperatures in the high 30s before a drop to 25 C on Thursday and ...

Daytime high temperatures near 30 C with overnight low temperatures ranging between 14 to 18 C are forecast to begin ...

The Windsor-Essex, Chatham-Kent and Sarnia-Lambton region is once again under a heat warning, Environment Canada said.

Heat warnings have been issued for some areas of BC. That includes much of BC's interior with the Okanagan Valley, Fraser ...

The heat warning for the Toronto area is expected to remain in place through Tuesday, Environment Canada says, with cooler ...

Heat warnings were issued on Friday for parts of eastern Canada, southern Ontario and Toronto as hot and humid weather settles over the region and the stifling conditions are expected to last ...

Heat in Canada and changing climate contribute to fires and air pollution. Wildfires burning in Canada have prompted hazardous air pollution conditions in the U.S. this week, as smoke moves South ...

Sweltering heat reaching a potential high of 38 C in some areas will continue Wednesday, prompting the continuation of a ...

Environment Canada meteorologist Steven Flisfeder confirmed four heat warnings have been issued in the London area as of July ...