Highlights
- The National Weather Service issued an Extreme Heat Warning effective through 8 p.m. Tuesday, Aug. 4, covering Scottsdale and Paradise Valley.
- Afternoon highs of 109 to 116 degrees are forecast, with conditions described as dangerously hot and humid.
- Maricopa County residents can call 2-1-1 to locate free cooling centers, transportation, and water.
- Heat stroke is classified as a medical emergency; anyone overcome by heat should be moved to shade and 911 called immediately.
EXTREME HEAT WARNING: The National Weather Service in Phoenix issued an Extreme Heat Warning covering Scottsdale, Paradise Valley, and the broader Phoenix metropolitan area, in effect until 8 p.m. Tuesday, Aug. 4, with afternoon temperatures forecast between 109 and 116 degrees.
The NWS describes conditions as dangerously hot and humid, with a major to extreme Heat Risk rating. The agency warns of an increase in heat-related illnesses including heat cramps, heat exhaustion, and heat stroke, noting that heat stroke can lead to death.
Residents working or spending time outdoors are advised to reschedule strenuous activity to early morning or evening, wear lightweight and loose-fitting clothing, and drink plenty of water. The Occupational Safety and Health Administration recommends frequent rest breaks in shaded or air-conditioned environments for outdoor workers, according to the alert.
Anyone overcome by heat should be moved to a cool, shaded location immediately. Heat stroke is a medical emergency; call 911.
In Maricopa County, free cooling centers, transportation, and water are available by calling 2-1-1. Additional resources are listed at maricopa.gov/heat.
The warning, issued Aug. 1 at 11:48 p.m. MST, remains in effect until 8 p.m. Tuesday.
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 02/08/2026 06:49
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 02/08/2026 06:49. Every claim traces to a source.
