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B.C. Sets 29 Daily Heat Records as Western Canada’s Late‑August Heat Wave Persists

A stubborn high‑pressure ridge in a late‑season blocking pattern is driving unusual warmth across the region.

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In Metro Vancouver, the regional district says the hot, sunny conditions have combined with local emissions to produce smog, prompting an air-quality warning.
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Overview

  • Environment Canada logged 29 daily records across B.C. on Tuesday, led by Lytton at 41.3 C, the highest temperature in Canada this year.
  • Creston reached 34.4 C and Grand Forks hit 38 C, breaking August marks that dated to 1981 and 1958 respectively.
  • Edmonton is forecast to string together up to seven consecutive 30 C days, a rare August run for the city.
  • At least eight new wildfires ignited in the past 36 hours in very dry conditions that have deepened regional drought concerns.
  • Forecasters expect a brief cooldown with weekend rain for parts of the coast before warmth likely rebounds into early September.