Home / Arizona / Upper Santa Cruz River and Altar Valleys
Heat in Upper Santa Cruz River and Altar Valleys, Arizona
Heat May 27, 2025 · Upper Santa Cruz River and Altar Valleys, Arizona
What the National Weather Service wrote
High temperatures in Southeastern Arizona were 1 degree below normal, causing Low HeatRisk. Nogales International Airport reached a high temperature of 91 degrees. The Pima County Medical Examiner found that the cause of death for an individual in Nogales, AZ had heat as a contributing factor to their death.
The wider storm
High temperatures in Southeastern Arizona were 3 to 5 degrees above normal, however overnight low temperatures were near normal, causing Low to Moderate HeatRisk. The Pima County Medical Examiner found that the cause of death for 4 individuals, one in Nogales, one in Topawa, and two in Tucson, had heat as a contributing factor to 2 of their deaths, while one was heat caused.
Source: NOAA Storm Events Database, event 1261919. Narratives are written by the National Weather Service forecast office that issued the report.
Tornadoes near your address
See every tornado that passed near a place you know, measured to its path.
We couldn’t get your location. Check that location access is allowed for this site, or type an address.