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Heat warnings issued for large swath of Alberta ahead of hot streak

Click to play video 'Edmonton weather forecast: Friday, Aug. 14, 2020' Edmonton weather forecast: Friday, Aug. 14, 2020
WATCH: Here's Jesse Beyer's Friday, Aug. 14, 2020 Global News at 6 weather forecast for Edmonton, Alberta and the surrounding area.

A heat warning issued by Environment Canada on the weekend covered about half the province by Monday morning.

The warning was issued Saturday and by Monday morning reached from the southernmost part of the province in Cypress Hills Provincial Park up north to Fort McMurray.

Edmonton, Red Deer, Calgary and Lethbridge were under warnings, among other cities and towns.

As of Wednesday, Aug. 19, the warning was ended for the city of Calgary and Rocky View County near Cochrane.

Areas of Alberta under a heat warning as of Monday, Aug. 17.
Areas of Alberta under a heat warning as of Monday, Aug. 17. Environment Canada

The warnings said temperatures would reach between 29 C and 32 C, depending on where you are in the province, starting Sunday and remaining until at least the mid-week. Overnight lows are predicted to be between 14 C and 16 C.

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In Calgary, the seasonal average daytime high temperature for this time of the year is 23 C, according to Global News weather specialist Gemma Lynne Stroobant. On Saturday, the high reached 27.9 C.

Click to play video 'Water safety encouraged approaching hot weekend in Calgary' Water safety encouraged approaching hot weekend in Calgary
Water safety encouraged approaching hot weekend in Calgary

Heat warnings are issued when very high temperatures might increase the risk of heat illnesses, Environment Canada said.

In the Calgary area, at least two days of temperatures forecasted to be above 29 C qualify for a heat warning, which the region is expected to see early this week, according to Stroobant. Further south in the Lethbridge and Medicine Hat area, heat warnings are issued when highs are expected to reach 32 C for at least two days.

The weather agency said to reschedule outdoor activities to cooler hours of the day, take frequent breaks from the heat, drink water and not leave any person or pet in a closed vehicle.

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To see what is in store for your region, check Environment Canada’s alerts.