Excessive Heat — Tucson Metro Area, Arizona

2025-08-08 · Tucson Metro Area, Arizona

Event narrative

High temperatures in Southeastern Arizona were 7 degrees above normal, causing Major HeatRisk. The Tucson International Airport reached a high temperature of 106 degrees Fahrenheit. The Pima County Medical Examiner found that heat was a contributing factor in the cause of death for three individuals in Tucson.

Wider weather episode

Temperatures in Southeastern Arizona were near 6 to 13 degrees above normal with Major to Extreme HeatRisk. The Pima County Medical Examiner found that heat was a factor in the cause of death for 9 individuals. Heat was the primary factor for three people and six were heat contributed. An Extreme Heat Warning was in effect for all the lower elevations in Southeastern Arizona and tied the hottest high temperatures of 2025.

Source: NOAA Storm Events Database, event_id 1290969. Narrative written by the NWS forecast office that issued the report.