The National Weather Service issued an Extreme Heat Warning for the Phoenix metropolitan area effective until 8 PM MST on September 10. The warning covers Northwest Valley, Buckeye/Avondale, Cave Creek/New River, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, East Valley, Fountain Hills/East Mesa, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek. Afternoon temperatures are expected to reach 105 to 109 degrees.
Heat-related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion, which without intervention can lead to heat stroke. Residents should take extra precautions if working or spending time outside and reschedule strenuous activities to early morning or evening when possible. In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water, and additional resources.
Source: National Weather Service.
Sources
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- National Weather Service retrieved 10/09/2026 08:14
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 10/09/2026 08:14. Every claim traces to a source.
