EDMONTON -- Temperatures in much of the province are expected to hit 29 degrees or higher over the next two days, triggering heat warnings from Environment Canada.

The extreme heat increases the risk of heat stroke or heat exhaustion, which can include high body temperature, a lack of sweat, confusion and fainting.

Infants, children, seniors and people with pre-existing health conditions are most vulnerable when temperatures rise.

People are being reminded to take breaks from the heat, to reschedule outdoor activities and to stay hydrated.

These areas are under a heat warning beginning Aug. 5:

  • City Of Edmonton - St. Albert - Sherwood Park
  • Spruce Grove - Morinville - Mayerthorpe - Evansburg
  • Fort Saskatchewan - Vegreville - Redwater - Smoky Lake
  • Drayton Valley - Devon - Rimbey - Pigeon Lake
  • Leduc - Camrose - Wetaskiwin - Tofield
  • Westlock - Barrhead - Athabasca
  • Lloydminster - Wainwright - Vermilion - Provost
  • Bonnyville - St. Paul - Cold Lake - Lac La Biche
  • Fort McMurray - Fort Mackay
  • Red Deer - Ponoka - Innisfail – Stettler
  • City of Calgary
  • Okotoks – High River – Claresholm
  • Drumheller – Three Hills
  • Cardston – Fort Macleod – Magrath
  • Hanna – Coronation – Oyen
  • Brooks – Strathmore – Vulcan
  • Lethbridge – Taber – Milk River
  • Medicine Hat – Bow Island – Suffield
  • Cypress Hills Provincial Park – Foremost