Hot, humid heat band of air crossing Newmarket to Caledon
A heat wave alert has been issued for the southern band of central Ontario.
From Newmarket, Georgina, the northern York region and Caledon, maximum daytime temperatures will be near 29 degrees Celsius, but the humidity could hit 40.
Environment Canada warns that hot and humid temperatures can reduce air quality and reach the high-risk category.
- Download the CTV News app to get local alerts on your device
- Get the latest local updates sent to your email inbox
The national weather agency advises:
- Drink plenty of water
- Limit direct sun exposure; wear a hat or use an umbrella
- Never leave children or animals in a parked car
- Ask a pharmacist or physician how medications can affect your health risk
- Eat cool, light meals and avoid using the oven
Cooler temperatures are expected on Tuesday.
CTVNews.ca Top Stories
Prime Minister Trudeau meets Donald Trump at Mar-a-Lago
Prime Minister Justin Trudeau landed in West Palm Beach, Fla., on Friday evening to meet with U.S.-president elect Donald Trump at Mar-a-Lago, sources confirm to CTV News.
'Mayday! Mayday! Mayday!': Details emerge in Boeing 737 incident at Montreal airport
New details suggest that there were communication issues between the pilots of a charter flight and the control tower at Montreal's Mirabel airport when a Boeing 737 made an emergency landing on Wednesday.
Hit man offered $100,000 to kill Montreal crime reporter covering his trial
Political leaders and press freedom groups on Friday were left shell-shocked after Montreal news outlet La Presse revealed that a hit man had offered $100,000 to have one of its crime reporters assassinated.
Questrade lays off undisclosed number of employees
Questrade Financial Group Inc. says it has laid off an undisclosed number of employees to better fit its business strategy.
Cucumbers sold in Ontario, other provinces recalled over possible salmonella contamination
A U.S. company is recalling cucumbers sold in Ontario and other Canadian provinces due to possible salmonella contamination.
Billboard apologizes to Taylor Swift for video snafu
Billboard put together a video of some of Swift's achievements and used a clip from Kanye West's music video for the song 'Famous.'
Musk joins Trump and family for Thanksgiving at Mar-a-Lago
Elon Musk had a seat at the family table for Thanksgiving dinner at Mar-a-Lago, joining President-elect Donald Trump, Melania Trump and their 18-year-old son.
John Herdman resigns as head coach of Toronto FC
John Herdman, embroiled in the drone-spying scandal that has dogged Canada Soccer, has resigned as coach of Toronto FC.
Weekend weather: Parts of Canada could see up to 50 centimetres of snow, wind chills of -40
Winter is less than a month away, but parts of Canada are already projected to see winter-like weather.