Punishing temperatures return to Central Canada during record-breaking heat wave
- On Monday, Toronto Pearson Airport recorded a high temperature of 35.8 C around 5 p.m., setting a new local record.
- This record followed a heat dome that caused extreme temperatures and a widespread heat wave across Central Canada, including Ontario and Quebec.
- Heat warnings remain in effect from Windsor to Quebec City, with forecasters warning of dangerous conditions and recommending limiting outdoor strenuous activity.
- Meteorologist Steven Flisfeder emphasized risks to health due to heat exhaustion and urged checking on vulnerable people during this early-season heat event.
- Temperatures are expected to ease by midweek, returning closer to seasonal norms near 28 C, signaling a temporary relief from record-breaking heat.
22 Articles
22 Articles

Punishing temperatures return to Central Canada during record-breaking heat wave
TORONTO - A heat wave over Ontario and Quebec delivered a parting punch of scorching temperatures on Tuesday, as hydro crews worked to restore power to tens of thousands of customers in areas hit by forceful thunderstorms.
Another scorching day on tap for Ottawa as heat records break
Another day of high heat and humidity is expected for the nation’s capital as the city broke some records on Monday. By 4:00 p.m. on June 23, temperatures hit a high of 35 C, breaking a record of 34.4 C first set in 1921, according to Environment Canada’s almanac. A record first set at the […]
Temperature record broken at Toronto Pearson Airport as heat wave continues in Ontario
As the heat wave continues across southern Ontario, a new record was set in Mississauga. The temperature hit a high of 35.8 C around 5 p.m. at Toronto Pearson Airport on Monday, according to Environment Canada records. The current heat record for June 23 was 32.8 degrees and it was set back in 1983, Environment Canada meteorologist Geoff Coulson told The Canadian Press yesterday. Environment Canada told news outlets it was also the hottest tempe…
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