The city's medical officer is advising Torontonians to drink plenty of water and to seek out air-conditioned shelters on Saturday after a heat alert was issued.
Dr. David McKeown is urging the public to stay out of the sun and to curb outdoor activity between 11 a.m. and 4 p.m.
The city suggests residents peruse inside malls, seeking refuge in libraries and to keep an eye on the elderly, children and pets.
This is the summer's seventh heat alert as temperatures are expected to swelter to a high of 32 Celsius, Environment Canada predicts. But with the humidity, it will feel more like 37 C.
The city is also under a humidex advisory and there is a 70 per cent chance of showers or thunderstorms. Environment Canada issued a severe thunderstorm warning in the afternoon, but it has since ended the warning.
As a result, the Canadian International Air Show, which was scheduled to take place Saturday at the Canadian National Exhibition, has been called off. CIAS spokesperson Colleen Swider said the "severe weather and the rain coming in" was the reason for Saturday's cancellation, however Sunday and Monday's shows are still expected to run.
On Sunday, clouds will continue to hang in the city's skyline with a 40 per cent chance of showers throughout the morning with a risk of thunderstorms in both the morning and afternoon. Any lingering memories of Saturday's heat will have dissipated as a slight breeze is expected to push through the city with a high of 24 C.
By Labour Day Monday, when students celebrate their last day of freedom before the start of the school year, Environment Canada predicts 60 per cent chance of showers with the mercury reaching a high of 20 C.
