Extreme heat to start the week in parts of Simcoe Muskoka
A heat warning is in effect for parts of Simcoe Muskoka Monday.
Environment Canada issued the warning for:
Innisfil
New Tecumseth
Angus
Orangeville
Grand Valley
Southern Dufferin County
Shelburne
Mansfield
Northern Dufferin County
Environment Canada said the heat and humidity could extend into the middle of the week.
Daytime temperatures are expected to be between 30-32 degrees, with humidex values between 37-40.
Nighttime temperatures are not expected to drop below 21 degrees.
A heat warning is issued when the forecast has two or more consecutive days with maximum daytime temperatures of 31 degrees or warmer, together with nighttime minimum temperatures of 20 degrees or warmer.
A heat warning can also be issued when there is a forecast of two or more consecutive days with humidex values expected to reach 40 degrees or higher.
The humidity continues for a second week. Forecasted humidex values Friday were expected to top 38 degrees across Simcoe Muskoka.
Average temperatures for this time of year are 24 degrees.
People are advised to watch for the effects of heat illness, drink plenty of water, stay in a cool place.
The heat and humidity can also affect the air quality and prompt the Air Quality Health Index to reach the high-risk category.
CTVNews.ca Top Stories
Deadly six-vehicle crash on Highway 400 sparked by road rage incident
One person was killed in a six-vehicle crash on Highway 400 in Innisfil Friday evening.
'Of course, yes': Poland latest European country with interest in Canadian LNG
The President of Poland says his country would 'of course' be interested in purchasing Canadian liquefied natural gas if it were available, while the Canadian federal government has said it is 'not interested' in subsidizing future projects.
Here's where Canadians are living abroad: report
A recent report sheds light on Canadians living abroad--estimated at around four million people in 2016—and the public policies that impact them.
Chants of 'shame on you' greet guests arriving for the annual White House correspondents' dinner
An election-year roast of U.S. President Joe Biden before journalists, celebrities and politicians at the annual White House correspondents' dinner Saturday.
Invasive and toxic hammerhead worms make themselves at home in Ontario
Ontario is now home to an invasive and toxic worm species that can grow up to three feet long and can be dangerous to small animals and pets.
Dozens in Italy give a fascist salute on the anniversary of Mussolini's execution
Dozens of people raised their arms in the fascist salute and shouted a fascist chant during ceremonies Sunday to honor Italian dictator Benito Mussolini on the 79th anniversary of his execution.
Health minister 'deeply appreciative' of doctors but capital gains changes here to stay
Health Minister Mark Holland says while he is 'deeply appreciative' of the work doctors in Canada do, the federal government has no plans to scrap the proposed capital gains tax changes outlined in the latest budget, despite opposition from the Canadian Medical Association.
Opinion I just don't get Taylor Swift
It's one thing to say you like Taylor Swift and her music, but don't blame CNN's AJ Willingham's when she says she just 'doesn't get' the global phenomenon.
Sophie Gregoire Trudeau on navigating post-political life, co-parenting and freedom
Sophie Gregoire Trudeau says there is 'still so much love' between her and Prime Minister Justin Trudeau, as they navigate their post-separation relationship co-parenting their three children.