Highlights
- The National Weather Service issued an Extreme Heat Warning covering Scottsdale and Paradise Valley effective through 8 p.m. Friday, July 10.
- Afternoon highs of 110 to 115 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.
- Heat stroke is classified as a medical emergency — call 911 for anyone overcome by heat.
The National Weather Service issued an Extreme Heat Warning for Scottsdale and Paradise Valley at 10:56 p.m. Wednesday, covering the metro area through 8 p.m. Friday, July 10.
Afternoon temperatures are forecast to reach 110 to 115 degrees. NWS Phoenix classifies the event as Major Heat Risk, warning that overexposure can cause heat cramps and heat exhaustion and, without intervention, can lead to heat stroke.
The warning covers nine zones: Buckeye/Avondale, Central Phoenix, Deer Valley, East Valley, North Phoenix/Glendale, Northwest Valley, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek.
NWS advises rescheduling strenuous outdoor activity to early morning or evening when possible. Lightweight, loose-fitting clothing and consistent water intake are recommended. The Occupational Safety and Health Administration recommends frequent rest breaks in shaded or air-conditioned environments for outdoor workers.
Anyone overcome by heat should be moved immediately to a cool, shaded location. Heat stroke is a medical emergency, call 911.
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 Friday.
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 09/07/2026 06:00
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 09/07/2026 06:00. Every claim traces to a source.
