Daily Forecast: July 24, 2025

Mainly sunny skies are expected for Thursday, along with hot and humid temperatures across the region.

Heat Warnings have been issued across the GTHA and Niagara region. Environment Canada states that a heat event will begin tomorrow and may persist through the weekend for some areas. The main concern is the lack of cool temperatures at night. Ensure you remain hydrated, even before you feel thirsty.

There will be a risk for strong to severe thunderstorms tomorrow evening. Hazards are expected to include torrential rainfall, strong wind gusts, small hail, as well as the risk for isolated tornadoes. A Severe Weather Outlook will be published tomorrow.

Temperatures in red represent forecasted humidex values.