Excessive Heat — Tohono O Odham Nation, Arizona
August 3, 2021 · NOAA Storm Events record
Event narrative (NOAA)
Very hot high temperatures of 104 to 115 degrees, or 8 to 12 degrees above normal, occurred in the lower deserts of Pima and Pinal counties August 3-4, and caused the High Heat Risk category to be reached. High temperatures on August 3 included 115 degrees at Ajo (record), 109 at Organ Pipe Cactus National Monument, 108 at Sells, and 104 at Picacho. On August 4 highs included 115 degrees at Ajo (tie), 110 at Organ Pipe Cactus National Monument, 109 at Sells (record), and 107 at Picacho. The Pima County Medical Examiner confirmed that heat was the primary cause of death for one person found in the desert near San Miguel.
Other notable excessive heat events in Arizona
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.