The National Weather Service issued an Extreme Heat Warning for the Phoenix metropolitan area effective August 26 at 1:36 a.m. MST through August 29 at 8 p.m. MST. Afternoon temperatures are expected to reach 108 to 117 degrees, creating major to extreme heat risk across Northwest Valley, Buckeye/Avondale, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, East Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek.

The warning carries risk of heat-related illnesses including heat cramps, heat exhaustion, and heat stroke, which can be fatal. Residents should limit outdoor activity during peak heat hours, wear lightweight clothing, and drink plenty of water. Maricopa County residents can call 2-1-1 to locate free cooling centers, transportation, and water resources.

Source: National Weather Service.

Sources

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  1. National Weather Service retrieved 26/08/2026 08:36

Authored by The Scottsdale Signal. Drafted by AI from primary-source material under our beat-specific editorial guides; reviewed by humans before publish under our five-gate process. Sources retrieved at 26/08/2026 08:36. Every claim traces to a source.