Heat warning

Environment Canada says the temperature is expected to fall between the high 20s and low 30s for two to three days, but the humidex is forecasted to make the ...

Hot, humid air mass set to sweep across southern Ontario over next two to three days with high temperatures in the low 30s possible.

The heat warning is in effect for Peterborough County, Kawarthas Lakes, Northumberland County, Hastings Highlands, and southern Haliburton County. A two- or ...

A heat warning is in effect for Ottawa as some hot, humid days approach. Environment Canada says temperatures this week could reach highs in the low 30s ...

A heat warning has been issued for Mississauga, Brampton and much of southern Ontario.

Hot, humid air mass set to sweep across southern Ontario over next two to three days with high temperatures in the low 30s possible.

The forecaster says a “heat event” begins on Tuesday. Maximum temperatures are expected to be in the high twenties to low thirties. Minimum temperatures are ...

Durham Region is expected to experience a heat wave starting tomorrow (July 4), with the humidex possibly reaching the high thirties to low forties.

Environment Canada has issued a heat warning to begin on Tuesday. The weather agency predicts temperatures could reach the high twenties or low thirties, ...

Environment Canada has placed nearly all of Ontario under a heat warning as more hot humid air moves into the province. Here's what you need to know.

Gogama, Foleyet; Chapleau, Missinaibi Lake. Heat warnings are issued by Environment and Climate Change Canada when the forecast rises for two days to 29 degrees ...

Environment Canada has issued a heat warning for London, Ont. The forecaster says a “heat event” begins on Tuesday. Maximum temperatures are expected to be ...

There's a Heat Warning in effect for Saugeen Shores and southern Bruce County, as well as southern Grey County...

Maximum temperatures in the high twenties to low thirties should end tonight, Environment Canada says.

Environment Canada has issued a heat warning for the Greater Sudbury area as a multi-day heat event continues. The forecast calls for a high of 32 C today, ...

(Kingston, Ontario) Environment Canada has stated that a "multi-day heat event" is occurring and has issued a heat warning for the Kingston area.

Officials are advising residents in Peel and elsewhere to be careful as a multi-day heat warning is place.

Heat warnings are issued when very high temperatures or high humidity conditions are expected to pose an elevated risk of heat illnesses.

Public health officials in Guelph say to stay hydrated by drinking plenty of cool liquids before you feel thirsty, plus keep your home cool by closing the ...

Seasonal high summer temperatures and high humidity have arrived amid an Environment Canada heat warning for residents of Quinte.