Environment Canada issues heat warning for entire GTA

A wide-ranging heat warning by Environment Canada has been issued for Toronto and the GTA.

By BT Toronto

A wide-ranging heat warning by Environment Canada has been issued for Toronto and the GTA.

The warning is expected to last through to Tuesday.

“Maximum daytime temperatures from 31 to 34 C are expected with humidex values near 40 C,” the federal agency said in a statement. “Overnight low temperatures are forecast to fall to only 21 to 23 C, providing little relief from the heat.”

A cold front is expected to push through Tuesday evening, which will bring relief from the heat, the agency said.

The warning also includes most of southwestern Ontario, including York, Peel, Durham, and Halton regions. The City of Hamilton, London, Waterloo also fall under the warning. Municipalities as far west as Windsor are also included.

The City of Toronto opened its emergency cooling centres on Monday, which is normally does during a heat warning. The following eight cooling centres will operate from 11 a.m. to 7 p.m., except at Metro Hall, which runs 24 hours during the warning:

  • East York Civic Centre – 850 Coxwell Ave.
  • Etobicoke Civic Centre – 399 The West Mall
  • Metro Hall – 55 John St.
  • North York Civic Centre – 5100 Yonge St.
  • Scarborough Civic Centre – 150 Borough Dr.
  • Domenico Di Luca Community Centre – 25 Stanley Rd.
  • Don Montgomery Community Centre – 2467 Eglinton Ave.
  • Masaryk-Cowan Community Recreation Centre, 220 Cowan Ave.


“Strict infection prevention and control measures will be in place to help prevent the spread of COVID-19,” the City said in a release.

For the latest weather forecast, click here.

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