The National Weather Service issued an Extreme Heat Warning for the Phoenix metropolitan area effective Monday, August 17 at 10 AM through Friday, August 21 at 8 PM MST. Afternoon temperatures are expected to reach 109 to 112 degrees, posing a major 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.
Heat-related illnesses increase significantly during extreme heat events. Residents should take extra precautions if working or spending time outdoors, reschedule strenuous activities to early morning or evening when possible, and wear lightweight clothing. In Maricopa County, call 2-1-1 to locate free cooling centers, transportation, water, and additional resources.
Source: National Weather Service.
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- National Weather Service retrieved 17/08/2026 07:05
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 17/08/2026 07:05. Every claim traces to a source.
