Highlights
- The National Weather Service issued an Extreme Heat Warning for Scottsdale and Paradise Valley effective through 8 p.m. MST tonight.
- Afternoon temperatures are forecast at 109 to 111 degrees, carrying a Major Heat Risk designation.
- 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 issued an Extreme Heat Warning for Scottsdale and Paradise Valley, along with Buckeye/Avondale, Central Phoenix, Deer Valley, the East Valley, North Phoenix/Glendale, and the Northwest Valley, effective from 9:29 a.m. through 8 p.m. MST today, August 29.
Afternoon temperatures are expected to reach 109 to 111 degrees across the warned areas, according to the NWS alert. The NWS classifies conditions as a Major Heat Risk, noting that heat-related illnesses increase significantly during events of this severity.
The NWS advises residents who must be outside to reschedule strenuous activity to early morning or evening, wear lightweight and loose-fitting clothing, and drink plenty of water. Anyone showing signs of heat stroke should be moved to a cool, shaded location immediately; heat stroke is a medical emergency requiring a call to 9-1-1.
For outdoor workers, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments, per the alert's instructions.
In Maricopa County, free cooling centers, transportation, and water are available by calling 2-1-1 or visiting maricopa.gov/heat. The warning expires at 8 p.m. MST.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- api.weather.gov retrieved 29/08/2026 16:31
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 29/08/2026 16:31. Every claim traces to a source.
