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Excessive Heat in Upper San Pedro River Valley, Arizona

Excessive Heat August 5, 2025 · Upper San Pedro River Valley, Arizona

1
Death

What the National Weather Service wrote

High temperatures in Southeastern Arizona were 6 degrees above normal, causing Major HeatRisk. The Sierra Vista CWOP reached a high temperature of 100 degrees Fahrenheit. The Pima County Medical Examiner found that heat was a factor in the cause of death for an individual in Hereford and was heat contributed.

The wider storm

Temperatures in Southeastern Arizona were near 5 to 9 degrees above normal with Moderate to Major HeatRisk. The Pima County Medical Examiner found that the cause of death for 7 individuals. Five were heat contributed, two in Tucson, one in Sells, one in Safford, and one in Hereford. Two individuals deaths were heat caused, one in Tucson and one in Topawa. An Extreme Heat Warning was in effect for all the lower elevations, excluding eastern Cochise County.

Source: NOAA Storm Events Database, event 1290518. Narratives are written by the National Weather Service forecast office that issued the report.

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