Highlights

EXTREME HEAT WARNING: The National Weather Service in Phoenix issued an Extreme Heat Warning covering Scottsdale, Paradise Valley, and the broader Phoenix metropolitan area, running through 8 p.m. Sunday, Aug. 2.

Afternoon temperatures are forecast to reach 109 to 117 degrees, with the NWS classifying conditions as a Major to Extreme Heat Risk. The agency warns of an increase in heat-related illnesses including heat cramps, heat exhaustion, and heat stroke, noting that heat stroke can be fatal.

The warning was issued July 27 at 11:12 p.m. MST and covers nine zones: 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 NWS advises rescheduling strenuous outdoor activity to early morning or evening when possible, wearing lightweight and loose-fitting clothing, and drinking plenty of water. Anyone overcome by heat should be moved immediately to a cool, shaded location; heat stroke requires calling 911.

For outdoor workers, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments, according to the NWS alert.

Where can Scottsdale-area residents find cooling resources?

Maricopa County residents can call 2-1-1 to find a free cooling center, transportation, water, and additional resources. The county's heat-relief program details are available at maricopa.gov/heat.

The warning remains in effect until 8 p.m. MST Sunday, Aug. 2.

Sources

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  1. api.weather.gov retrieved 28/07/2026 06:17

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 28/07/2026 06:17. Every claim traces to a source.