Southwesterly winds brought warm temperatures into parts of southern Quebec, prompting Environment Canada to issue a series of heat and humidity warnings, which were still in place by Friday evening.
"The temperature will feel like 40 degrees with the humidex by the afternoon," said Gerald Cheng, a meteorologist at The Weather Network. "The humidity will come down a bit on Saturday. Conditions will improve even further on Sunday."
Still, with even evening temperatures considered near extreme, officials are warning that prolonged exposure to extreme heat can cause discomfort and heat stroke.
For the duration of the heat advisory, authorities are reminding people to:
Visit the Alerts section of the website to keep on top of watches and warnings across the country.