The federal weather agency says the "warm and humid air mass" sitting on the southern part of the province will linger until Wednesday.
Lytton has again broken the all-time Canadian high temperature record by reaching 47.9C today. The summary of all b… https://t.co/TZhan4gymx— ECCC Weather British Columbia (@ECCC Weather British Columbia) 1624939613.0
Meanwhile, heat warnings cover almost the whole of western Canada.
In Lytton, British Columbia, Environment Canada recorded an all-time national record-high temperature of 47.9 C.
In its warning for the city of Calgary, the agency calls the western heat wave "prolonged, dangerous, and historic."
The Tuesday forecast calls for a high of 30 C with a humidex value of 37 in Montreal.