Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
443 WWUS75 KPSR 101823 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1123 AM MST Thu Sep 10 2026 AZZ530-533-CAZ569-570-111200- /O.CON.KPSR.XH.W.0009.000000T0000Z-260912T0300Z/ Parker Valley-Central La Paz-Palo Verde Valley-Chuckwalla Valley- Including the cities of Ripley, Midland, Ehrenberg, Vicksburg Junction, Vicksburg, Martinez Lake, Palo Verde, Quartzsite, Harcuvar, Parker, Salome, Brenda, and Blythe 1123 AM MST Thu Sep 10 2026 /1123 AM PDT Thu Sep 10 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/ FRIDAY... * WHAT...Dangerously hot and humid conditions. Afternoon temperatures 102 to 112 expected. Major Heat Risk. * WHERE...In Arizona, Central La Paz and Parker Valley. In California, Chuckwalla Valley and Palo Verde Valley. * WHEN...Until 8 PM MST /8 PM PDT/ 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. 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. && $$ AZZ531-535-536-538-539-559-110300- /O.CON.KPSR.XH.W.0009.000000T0000Z-260911T0300Z/ Kofa-Southeast Yuma County-Gila River Valley-Tonopah Desert-Gila Bend-Sonoran Desert Natl Monument- Including the cities of Hassayampa, Wintersburg, Palm Canyon, Arlington, Tonopah, Kaka, Gila Bend, Ligurta, and Sentinel 1123 AM MST Thu Sep 10 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 110 expected. Major Heat Risk. * WHERE...Gila Bend, Sonoran Desert Natl Monument, Tonopah Desert, Gila River Valley, Kofa, and Southeast Yuma County. * WHEN...Until 8 PM MST this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water, and more. https://www.maricopa.gov/heat PRECAUTIONARY/PREPAREDNESS ACTIONS... An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details. && $$ AZZ532-111200- /O.CON.KPSR.XH.W.0009.000000T0000Z-260912T0300Z/ Yuma- Including the cities of Yuma and Fortuna Foothills 1123 AM MST Thu Sep 10 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST FRIDAY... * WHAT...Dangerously hot and humid conditions. Afternoon temperatures 106 to 110 expected. Major Heat Risk. * WHERE...The Yuma area. * 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. 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. && $$ AZZ537-540>544-546-548>551-110300- /O.CON.KPSR.XH.W.0009.000000T0000Z-260911T0300Z/ Northwest Valley-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- Including the cities of Goodyear, Beardsley, Circle City, Avondale, Peoria, Paradise Valley, Liberty, Gilbert, Phoenix, Wittmann, Tempe, Queen Creek, Scottsdale, Cashion, Sun Lakes, Sun City West, Fountain Hills, Chandler, Mesa, and Surprise 1123 AM MST Thu Sep 10 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 109 expected. Major Heat Risk. * WHERE...The Phoenix metropolitan area. * WHEN...Until 8 PM MST this evening. * 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. https://www.maricopa.gov/heat 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. && $$ CAZ562-566-567-111200- /O.CON.KPSR.XH.W.0009.000000T0000Z-260912T0300Z/ Imperial County Southwest-Imperial County West-Imperial Valley- Including the cities of Salton City, Mountain Spring, El Centro, Alamorio, Coyote Wells, Coolidge Springs, Calexico, Brawley, Plaster City, Winona, and Ocotillo 1123 AM PDT Thu Sep 10 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Dangerously hot and humid conditions. Afternoon temperatures 108 to 115 expected. Major Heat Risk. * WHERE...Portions of Imperial County, including the Imperial Valley. * WHEN...Until 8 PM PDT 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. 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. && $$ AR