The heat warning is expected to end on Wednesday, but then an entirely different - though no less unsafe - weather front will move in, with a chance of thunderstorms hitting Calgary by Wednesday afternoon.
"The summertime heat continues over much of the inner-south Coast early this week".
In addition to the severe thunderstorm watch, Chatham-Kent and Windsor-Essex are still under a heat warning.
The BC Wildfire Service raised the fire danger rating for the Lake Cowichan area to "extreme" on Monday.
The alert was issued on Saturday, when the temperature reached 27 C but felt more like 35 during the afternoon. "High temperatures are expected to be in the low 30s with humidex values in the high 30s", the weather agency said.
Heat illness can cause swelling, rash, cramps, fainting, heat exhaustion, heat stroke and worsen certain health conditions.
India's Test team for England tour announced, Rishabh Pant earns maiden call-up
India will be going into the Test series with 2 wicket-keepers as selectors have included Pant alongside Dinesh Karthik. Jasprit Bumrah , who was unfit for the ODI series, will be available for selection from the second Test onwards.
After a hot sunny weekend, the Metro Vancouver weather forecast is calling for two weeks of sunshine.
Cooler temperatures are expected later this week when the humidity dissipates.
Some slightly cooler weather is in store beginning mid-week as an upper level trough moves into the interior, it adds. They can also make breathing more hard.
"During a Heat Warning, members of the public are encouraged to visit family, friends and neighbours, especially isolated adults and seniors who are at greater risk of suffering from heat-related illness, to make sure they are cool and drinking plenty of fluids", the city's heat warning reads.
Never leave people or pets inside a parked vehicle.