Environment Canada issues heat warning with temps expected to hit 35 C next week

Environment Canada has issued a heat warning for Ottawa-Gatineau and eastern Ontario in advance of a heat wave that is expected to bring scorching temperatures starting on Monday.

Environment Canada has issued a heat warning for Ottawa-Gatineau and eastern Ontario in advance of a "prolonged heat event" that is expected to bring scorching temperatures starting on Monday. 

The warning says "dangerously hot and humid" conditions are expected for most of the week. Daytime highs on Monday through Thursday are expected to be between 30 and 35 C with humidex values between 40 and 45.

There will be "little relief" in the nighttime hours, as overnight lows are expected to be between 18 and 23 C with humidex values of 26 to 30.

"Watch out for heat related impacts such as heat exhaustion and/or heat stroke. Remember to drink plenty of water," the weather agency says on its website.

The hottest day is expected to be on Tuesday, with highs temperatures expected to reach 34 C in Ottawa. It's also forecasted to be the hottest day of the year so far. 

Environment Canada has also issued heat warnings stretching from Windsor to Ottawa, and northward to Moosonee. A special weather statement for heat has been issued for western and southern Quebec. 

Senior climatologist David Phillips told Newstalk 580 CFRA that while the expected hot and humid conditions are normal in the summer, the first heat wave is the most significant.