Heat in Tohono O Odham Nation, Arizona

Hot temperatures about 3 to 6 degrees above normal were experienced on the Tohono O'odham Nation July 17 and July 18, causing the Moderate Heat Risk category to be reached. The Pima County Medical Examiner confirmed that heat was the primary factor in the death of one individual found in the desert near Sells on July 17, another near Sells on July 18 and a third near Topowa on July 18.

Hot temperatures typically 3 to 6 degrees above normal were experienced across southeast Arizona July 17 through July 20. The Pima County Medical Examiner confirmed that heat was the primary cause of death for a total of five individuals during this period. Four of these individuals were located in the desert. Heat was a contributing factor in the death of two individuals during this time.