BC Interior Scorches: Late Summer Heat Shatters Records at 34 Degrees Celsius
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- September 19, 2025
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British Columbia's Interior is currently experiencing an extraordinary and prolonged late-summer heatwave, sending temperatures soaring to an astonishing 34 degrees Celsius and unequivocally shattering long-standing records. This persistent heat, arriving unusually late in September, has left many residents sweltering and grappling with conditions more akin to mid-summer.
Environment and Climate Change Canada has confirmed that this isn't just a warm spell; it's a historic event.
Numerous communities across the region have witnessed their daily maximum temperature records tumble. For instance, Lytton, a locale no stranger to extreme heat, reached a scorching 34°C, surpassing its previous record of 32.2°C set way back in 1944. Hope also saw its mercury climb to 30.5°C, eclipsing the 29.4°C mark from 1957.
The unprecedented warmth wasn't confined to just these areas.
Cache Creek recorded 29.7°C, breaking a 2017 record, while Pemberton reached 30.6°C, edging past its 2017 record. These figures underscore the widespread nature of this heat dome, affecting a significant portion of the province's interior, from the Fraser Canyon to the Okanagan and beyond.
Meteorologists indicate that the ridge of high pressure responsible for this intense warmth has stubbornly settled over the province, drawing warm air northward.
While residents have enjoyed extended patio seasons and outdoor activities, the prolonged nature of the heat, especially during a time when cooler autumn weather typically prevails, has raised concerns.
As a result, Environment Canada has issued heat warnings for several areas, advising vigilance.
The primary concern is for vulnerable populations, including the elderly, young children, and those with pre-existing health conditions, who are at higher risk of heat-related illnesses. Residents are urged to stay hydrated, seek shade, and check on neighbours and loved ones.
Fortunately, there's a glimmer of relief on the horizon.
Forecasts suggest a gradual easing of the extreme temperatures towards the end of the week, with a return to more seasonal conditions expected. Until then, the BC Interior remains under the grip of a memorable, record-breaking late-summer heatwave, a stark reminder of the unpredictable and often intense shifts in our climate.
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