Extreme Heat Warning
Status
Event Continued Active alertStart Time
Sun 03/22/2026 05:36 AM EDTEnd Time
Sun 03/22/2026 11:00 PM EDTSignificance
WarningImpacts
High impact
Locations Affected
Gilbert, AZ ∙ Glendale, AZ ∙ Mesa, AZ ∙ Chandler, AZ ∙ Scottsdale, AZ ∙ Phoenix, AZ ∙ Tempe, AZ ∙ Peoria, AZ ∙ Surprise, AZ ∙ Yuma, AZFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 236 AM MST Sun Mar 22 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/ THIS EVENING... * WHAT...Dangerously hot conditions. Afternoon temperatures 94 to 105. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...Portions of southwest Arizona and southeast and southern California. * WHEN...Until 8 PM MST /8 PM PDT/ Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Recognize the signs and symptoms of heat-related illness. Early signs include thirst and muscle cramps. Heat exhaustion may include: cool, moist, pale skin; headache; dizziness; weakness or exhaustion; nausea. The most serious illness is heat stroke, which may include: vomiting; confusion; throbbing headache; decreased alertness or loss of consciousness; high body temperature (above 105F); hot, dry skin; rapid, weak pulse; rapid, shallow breathing; seizures.
Technical Header
AZZ530>555-559-561-CAZ561>570-230300- /O.CON.KPSR.XH.W.0001.000000T0000Z-260323T0300Z/ Parker Valley-Kofa-Yuma-Central La Paz-Aguila Valley- Southeast Yuma County-Gila River Valley-Northwest Valley- Tonopah Desert-Gila Bend-Buckeye/Avondale-Cave Creek/New River- Deer Valley-Central Phoenix-North Phoenix/Glendale-New River Mesa- Scottsdale/Paradise Valley-Rio Verde/Salt River-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-Dripping Springs-Joshua Tree NP East- Imperial County Southwest-Salton Sea-Chuckwalla Mountains- Imperial County Southeast-Imperial County West-Imperial Valley- Chiriaco Summit-Palo Verde Valley-Chuckwalla Valley- Including the cities of Parker, Ehrenberg, Palm Canyon, Yuma, Fortuna Foothills, Brenda, Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, Salome, Aguila, Gladden, Wickenburg, Ligurta, Circle City, Surprise, Wittmann, Beardsley, Sun City West, Arlington, Hassayampa, Tonopah, Wintersburg, Gila Bend, Sentinel, Avondale, Cashion, Goodyear, Liberty, Scottsdale, Peoria, Phoenix, Paradise Valley, Tortilla Flat, Mesa, Chandler, Tempe, Gilbert, Fountain Hills, Sun Lakes, Queen Creek, Superior, Casa Grande, Cactus Forest, Florence, Coolidge, Apache Junction, Kaka, Hayden, Winkelman, Mountain Spring, Desert Shores, Imperial Hot Mineral Springs, Winterhaven, Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, Plaster City, El Centro, Calexico, Alamorio, Brawley, Chiriaco Summit, Martinez Lake, Blythe, Palo Verde, Ripley, and Midland 236 AM MST Sun Mar 22 2026 /236 AM PDT Sun Mar 22 2026/
