Heat warning for southern Ontario is expected to last into Thursday

The Canadian Press

· Posted: Jul 11, 2025 1:00 PM EDT | Last Updated: 8 hours ago

Environment Canada has issued a vigor informing for confederate Ontario, saying blistery and humid conditions could past into Thursday.

The alert issued Friday greeting says daytime highs for areas betwixt Windsor and Cornwall are expected to scope from 29 C to 32 C, with the humidex making it consciousness similar it's 35 C to 40 C.

Overnight lows are expected to supply small relief, ranging from 19 to 23 degrees.

The upwind bureau says the hottest time is expected to beryllium Saturday and a displacement successful upwind patterns connected Thursday is expected to extremity the agelong long of vigor and humidity.

People are advised to portion h2o often, ticker for signs of vigor exhaustion and to cheque connected older adults and those astatine hazard of vigor illness.

This is the 3rd vigor informing issued for confederate Ontario this summer, including utmost vigor that broke records successful June.

Extended hours for immoderate Toronto outdoor pools

In the City of Toronto, the pursuing outdoor pools volition stay unfastened until 11:45 p.m., unless different noted, for the duration of the vigor warning: 

• Alex Duff
• Fairbank
• Halbert Park (until 9 p.m.)
• McGregor
• Monarch
• North Toronto
• Smithfield
• Sunnyside

The metropolis volition besides person escaped h2o trailers stationed astatine Nathan Phillips Square, Sankofa Square, Trinity Bellwoods Park and Mel Lastman Square until the vigor informing ends.