There are heat warnings up across much of southern Ontario, spanning from Windsor to Ottawa and up to the Bruce Peninsula.
Environment Canada says temperatures could reach 33 C in some regions, while humidex values could be as high as 42.
Get daily National news
At night, lows are only expected to hit between 20 and 22 C.
Read more: Greater Toronto Area under heat warning, ‘hot and humid’ conditions may extend into next week
Environment Canada says the heat is expected to continue through Thursday.
- A ferocious Hurricane Simon nears Mexico with 155 mph winds and flooding fears
- Simon strengthens into a Category 4 hurricane as it approaches Mexico’s coast
- Isaias weakens but flash flooding threat persist as hundred of thousands grapple with power outages
- Support pours in for tortoise ahead of surgery
It says the high temperatures could also lead to degrading air quality, which could affect people’s health.
The agency says the risks are greater for young children, pregnant people, older adults, people with chronic illnesses and those working or exercising outdoors.
Comments
Want to discuss? Please read our Commenting Policy first.