Environment Canada expects its heat warning to last until temperatures cool slightly mid-week, the agency said.

Environment Canada has issued a multi-day heat warning cities in southern Ontario, starting on Saturday. Including Toronto, ...

Temperatures will climb on Saturday and aren’t expected to let up until later next week, Environment Canada warned, with ...

Environment Canada says temperatures in Toronto and Ottawa will peak at highs between 30 and 33 C, and up to 35 C in Montreal ...

Hot, humid weather settled over much of Ontario and parts of Quebec on Saturday with Environment Canada warning of a ...

Environment Canada issued heat alerts across Newfoundland and Labrador and much of Quebec and Ontario. In Toronto, the humidex is pushing 40 degrees, marking the city's sixth heat warning of the year.

A fresh warning issued by Environment Canada on Friday afternoon predicts temperatures will begin to rise on Saturday and remain high until the middle of next week.

A far-reaching heat wave affecting the eastern half of Canada will continue for several more days, boosting the fire danger ...

Environment Canada has issued heat warnings for southern Ontario ahead of a days-long heat wave that could make daytime highs feel like 40 C.

Saturday is expected to mark the start of a days-long heatwave with highs that could feel like 40 C in the Greater Toronto Area and southern Ontario.

Sweat cools us off by wicking heat away from our skin as it evaporates. Humidity prevents our sweat from evaporating efficiently—the trapped heat causing our body temperature to rise. This can lead to ...

The GTA is under a heat warning that could see humidex values climb into the 40s this weekend. Environment Canada says the multi-day heat event is scheduled to begin on Saturday, where daytime highs ...