Toronto faces a heat warning as temps climb near 40°C with humidity. City opens cooling centres, urges residents to take safety precautions.
Extreme Temperatures Expected Through Tuesday
Toronto is bracing for a prolonged stretch of intense summer heat from Sunday through Tuesday, according to Environment Canada. The national weather agency issued a heat warning early Sunday, forecasting daytime highs in the mid-30s—potentially feeling closer to 40°C when humidity is considered.
Humidity and Overnight Heat Pose Added Risk
In addition to the searing daytime temperatures, overnight lows are expected to remain elevated—ranging between 19°C and 23°C. This lack of nighttime cooling increases the risk of heat-related illnesses, especially for vulnerable populations such as seniors, young children, and those with pre-existing health conditions.
Monday Forecasted to Be Hottest Day
While all three days are expected to be sweltering, Monday is predicted to be the peak of the heat wave. However, Environment Canada noted “some uncertainty” regarding how long the extreme temperatures may persist across different regions of the city.
Public Health Officials Urge Precautions
Authorities are urging Torontonians to stay hydrated, wear light-coloured clothing, and avoid prolonged outdoor exposure. Signs of heat stroke—such as red, hot skin, dizziness, and nausea—require immediate medical attention. Residents are also encouraged to check on neighbours, particularly those who may be more susceptible to heat stress.
Cooling Centres Available Across the City
To help residents find respite from the heat, the City of Toronto has opened over 500 air-conditioned spaces across the city. Notable locations include:
- North York Civic Centre
- Scarborough Civic Centre
- Etobicoke Civic Centre
- York Civic Centre
- East York Community Centre
- Metro Hall Lobby (Open 24/7)
All other centres will remain open daily until 9:30 p.m. for the duration of the heat warning.
City Stands Ready as Heat Wave Intensifies
City officials remain on alert and continue monitoring conditions closely. Additional measures may be activated if the heat event extends beyond Tuesday. Residents can stay updated via Environment Canada alerts and the City of Toronto’s official communication channels.
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