Highlights
- The National Weather Service has issued an Extreme Heat Warning for Scottsdale, Paradise Valley, and the broader Phoenix metro through 8 p.m. Sunday, Aug. 23.
- Afternoon highs of 105 to 112 degrees are forecast, with NWS classifying the event as Major Heat Risk.
- Maricopa County residents can call 2-1-1 to locate free cooling centers, transportation, and water.
- OSHA recommends frequent rest breaks in shaded or air-conditioned environments for anyone working outdoors.
EXTREME HEAT WARNING: The National Weather Service in Phoenix has issued an Extreme Heat Warning covering Scottsdale, Paradise Valley, and the broader Phoenix metropolitan area through 8 p.m. Sunday, Aug. 23, with afternoon temperatures forecast between 105 and 112 degrees.
NWS classified the event as a Major Heat Risk. The warning, issued at 2:30 a.m. Thursday, covers Northwest Valley, Buckeye/Avondale, Deer Valley, Central Phoenix, North Phoenix/Glendale, East Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek in addition to Scottsdale and Paradise Valley.
Heat-related illnesses rise significantly during events of this severity, according to the NWS alert. Overexposure can progress from heat cramps and heat exhaustion to heat stroke without intervention. Heat stroke is a medical emergency; call 911.
The Occupational Safety and Health Administration recommends that outdoor workers schedule frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool, shaded location immediately.
Maricopa County residents can call 2-1-1 to find a free cooling center, transportation, water, and additional resources. More information is available at maricopa.gov/heat.
The warning remains in effect until 8 p.m. MST Sunday, Aug. 23.
Sources
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- api.weather.gov retrieved 20/08/2026 09:35
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 20/08/2026 09:35. Every claim traces to a source.
