The National Weather Service issued an Extreme Heat Warning for the Phoenix metropolitan area effective Sunday at 10 a.m. through Monday at 8 p.m. MST. Afternoon temperatures are expected to reach 104 to 110 degrees 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. Heat-related illnesses increase significantly during extreme heat events, with risks ranging from heat cramps and heat exhaustion to heat stroke without intervention. Residents are advised to take extra precautions if working or spending time outdoors. Maricopa County residents can call 2-1-1 to locate free cooling centers, transportation, water, and additional resources. Source: National Weather Service.

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  1. National Weather Service retrieved 2026-05-08T17:18:31.206617Z

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 2026-05-08T17:18:31.206617Z. Every claim traces to a source.