wweather1
wweather1 wweather1
HomeWeather news → Extreme Heat Warning Issued for Phoenix Metropolitan Area Through Saturday
🔥 Heat United States

Extreme Heat Warning Issued for Phoenix Metropolitan Area Through Saturday

August 25, 2026 · wweather1 editorial · 2 min read

The National Weather Service in Phoenix, Arizona, has issued an Extreme Heat Warning for the Phoenix metropolitan area, in effect until 8:00 PM MST on Saturday, August 29. Afternoon temperatures between 106 and 116 degrees will pose a major to extreme heat risk.

The National Weather Service office in Phoenix issued the warning on August 24 at 11:18 PM MST. The warning covers extensive portions of the Phoenix metropolitan area, including Northwest Valley, Buckeye/Avondale, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, East Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek.

Forecasted afternoon temperatures of 106 to 116 degrees significantly increase the likelihood of heat-related illnesses. Specific health risks identified by officials include heat cramps, heat exhaustion, and heat stroke. Officials warn that heat stroke is a medical emergency that can result in death.

Local authorities recommend taking precautions when spending time outside. In Maricopa County, residents can call 2-1-1 or visit https://www.maricopa.gov/heat to find information on free public cooling centers, water, and transportation assistance.

Why it is dangerous and what to do

⚠️ Safety
• Reschedule strenuous outdoor activities to the early morning or evening.
• Drink plenty of water and wear lightweight, loose-fitting clothing when outside.
• Schedule frequent rest breaks in shaded or air-conditioned environments during outdoor work.
• Move anyone overcome by heat to a cool, shaded location and call 911 immediately if heat stroke is suspected.
📊 The numbers, from wweather1 data
Phoenix: now +33°, Clear.
That is 6° above the August climate norm.
The record for this date is +45° (2011).
Three-day forecast: 25 August: +46°/+30° · 26 August: +48°/+32° · 27 August: +45°/+36°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

Other weather news