Heat and Humidity Will Ramp up in Parts of the Province Thursday

'It really gets to you': Residents try to beat the heat in Toronto, southern Ontario

By Fatima Raza

Heat warning issued for Hamilton, as Environment Canada says it may feel like 44 on Thursday

Environment Canada has issued a heat warning for Hamilton, Burlington, Niagara and area with a heat event is expected to begin Thursday.

Toronto under heat warning, at risk of thunderstorms later in the day. Here’s how hot it’s supposed to get

Temperatures are expected to hover around the high 20s to low 30s but the humidity could make it feel as hot as 42, according to Environment Canada.

Toronto under severe thunderstorm watch, heat warning

A severe thunderstorm watch is in effect for Toronto, warning of possible torrential rainfall and nickel-sized hail this evening.

07/24/2025: Heat, Humidity Resume After Nice Hiatus

The Latest Storm Tracker Forecast from Meteorologists Matt Mackie and Kevin Appleby: Humidity continued to build overnight across much of the region, keeping many of us closer to 70 this time around as opposed to the 40- and 50-degree mornings from earlier this week. While the humidity won't always be sky-high through the entire 7-Day Forecast, dew points will always be high enough to prevent us from having another cool & refreshing morning lik…

Environment Canada issues heat warning for GTA through Friday

On Friday, the mercury will dip slightly but will still be intense, with daytime highs near 30 °C and humidex values around 40.