ET_westernUS_heatwave_20210622_620.gif

Daytime high temperatures across the western United States on June 13–19*, 2021, (see larger version) according to data from NOAA's Real-Time Mesoscale Analysis (RTMA). Temperatures reached over 115°F in parts of the Southwest. Climate.gov animation based on NOAA RTMA data. * Correction, 6/28/21: The date range of the animation was originally described and annotated as June 14–20, 2021. The animation shows June 13–19. The caption and annotations have been corrected.