Extreme Heat Warning in Effect Across Arizona
Extreme Heat Warning in Effect Across Arizona
US · Published Aug 19, 2026
An Extreme Heat Warning is currently in effect across multiple regions in Arizona, including the Tohono O'odham Nation, Southeast Pinal County, Western Pima County, Tucson Metro Area, and other areas.
The warning is set to last until Friday, August 21, 2026, at 8:00 PM MST.

Impact & Risks

The ongoing extreme heat poses serious health risks, particularly for children, the elderly, and individuals with pre-existing health conditions. Prolonged exposure to high temperatures can lead to heat-related illnesses such as heat exhaustion and heatstroke. The risk is exacerbated in areas without adequate cooling systems, such as garages or outdoor spaces. Residents are advised to stay indoors, use air conditioning, and stay hydrated to mitigate these risks.

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