National Aeronautics and Space Administration

During the last week of June 2021, an unprecedented heat wave engulfed the US Pacific Northwest and adjacent province of British Columbia (BC), Canada. The highest ever recorded temperatures were reported in Portland, OR, on June 26, and in numerous other locations as the heat spread up the Western States. On June 28, the temperature reached 49.2° C in Lytton, BC: this is the highest value ever recorded in Canada.

This animation depicts the near-surface (two-meter altitude) temperatures for June 18 and July 5, 2021. Read More.