The National Weather Service issued an Extreme Heat Warning for the Phoenix metro area effective at 12:21 PM and expiring at 8 PM MST on May 12. Afternoon temperatures are expected to reach 104 to 108 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.
The warning carries a Moderate Heat Risk. Heat-related illnesses increase significantly during extreme heat events, and overexposure can cause heat cramps, heat exhaustion, and heat stroke. Residents should take extra precautions if working or spending time outdoors, reschedule strenuous activities to early morning or evening, and drink plenty of water. In Maricopa County, call 2-1-1 to find free cooling centers, transportation, and water.
Source: National Weather Service.
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- National Weather Service retrieved 12/05/2026 19:25
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 12/05/2026 19:25. Every claim traces to a source.
