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BC Heatwave to Break as Rain Arrives
22 Jun
Summary
- British Columbia experienced an above-seasonal June, nearly two degrees warmer than usual.
- Temperatures are forecast to peak mid-week before a significant pattern change.
- Cool and rainy weather is expected by the weekend, aiding wildfire risk reduction.
British Columbia has experienced a notably warm June, with average temperatures nearly two degrees Celsius higher than usual. The province saw its hottest day of the year so far on June 15, reaching 27.3°C. As the current week begins, a ridge of high pressure is driving dry heat into southern and central B.C., with temperatures expected to peak on Tuesday.
Daytime highs will likely reach the mid-30s Celsius across the Interior and the low-30s for inland Vancouver, while coastal areas will see mid- to high-20s. This buildup of heat will also contribute to atmospheric instability, increasing the risk of scattered thunderstorms in the Interior on Tuesday and Wednesday.
A substantial pattern change is forecast to occur by the end of the week. This shift will bring cooler and rainy conditions, with daytime highs expected to drop back into the teens by the weekend. The return of this weather is considered beneficial for managing B.C.'s wildfire risk, especially given an active out-of-control fire near Lytton.
