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Extreme Heat Warning

Status

Event Extended (Time) Active alert

Start Time

Sat 08/02/2025 03:37 PM EDT

End Time

Fri 08/08/2025 11:00 PM EDT

Significance

Warning

Impacts

High impact

Locations Affected

Glendale, AZ ∙ Mesa, AZ ∙ Chandler, AZ ∙ Scottsdale, AZ ∙ Gilbert, AZ ∙ Phoenix, AZ ∙ Tempe, AZ ∙ Peoria, AZ ∙ Surprise, AZ ∙ Goodyear, AZ

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1237 PM MST Sat Aug 2 2025 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM MST FRIDAY... * WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 114 expected through early next week, increasing to 113 to 118 mid to late next week. Major to extreme Heat Risk. * WHERE...Portions of south central Arizona. * WHEN...Until 8 PM MST Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water, and more. PRECAUTIONARY/PREPAREDNESS ACTIONS... An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

Technical Header

AZZ534-537>544-546-548>555-559-030745- /O.CAN.KPSR.XH.A.0004.250805T1700Z-250809T0300Z/ /O.EXT.KPSR.XH.W.0005.000000T0000Z-250809T0300Z/ Aguila Valley-Northwest Valley-Tonopah Desert-Gila Bend- Buckeye/Avondale-Cave Creek/New River-Deer Valley-Central Phoenix- North Phoenix/Glendale-Scottsdale/Paradise Valley-East Valley- Fountain Hills/East Mesa-South Mountain/Ahwatukee-Southeast Valley/Queen Creek-Superior-Northwest Pinal County-West Pinal County-Apache Junction/Gold Canyon-Sonoran Desert Natl Monument- Including the cities of Apache Junction, Goodyear, Beardsley, Wickenburg, Scottsdale, Wittmann, Superior, Florence, Tonopah, Cashion, Kaka, Arlington, Coolidge, Sun City West, Aguila, Casa Grande, Peoria, Avondale, Gila Bend, Mesa, Chandler, Liberty, Paradise Valley, Cactus Forest, Sentinel, Hassayampa, Tempe, Wintersburg, Gladden, Gilbert, Sun Lakes, Queen Creek, Phoenix, Fountain Hills, Circle City, and Surprise 1237 PM MST Sat Aug 2 2025