Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
820 WWUS75 KPSR 161819 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1119 AM MST Sun Aug 16 2026 AZZ530>533-535-536-CAZ562-565>567-569-570-171000- /O.CON.KPSR.XH.W.0008.260817T1700Z-260822T0300Z/ Parker Valley-Kofa-Yuma-Central La Paz-Southeast Yuma County-Gila River Valley-Imperial County Southwest-Imperial County Southeast- Imperial County West-Imperial Valley-Palo Verde Valley-Chuckwalla Valley- Including the cities of Yuma, Palo Verde, Blythe, Harcuvar, Winterhaven, Martinez Lake, Ehrenberg, Calexico, Plaster City, El Centro, Ripley, Salton City, Vicksburg Junction, Brenda, Mountain Spring, Midland, Coyote Wells, Fortuna Foothills, Parker, Palm Canyon, Ligurta, Alamorio, Vicksburg, Brawley, Quartzsite, Coolidge Springs, Ocotillo, Salome, and Winona 1119 AM MST Sun Aug 16 2026 /1119 AM PDT Sun Aug 16 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/ MONDAY TO 8 PM MST /8 PM PDT/ FRIDAY... * WHAT...Dangerously hot and humid conditions. Afternoon temperatures 107 to 114 expected. Major Heat Risk. * WHERE...Portions of southwest Arizona and southeast California. * WHEN...From 10 AM MST /10 AM PDT/ Monday to 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. && $$ AZZ534-538-539-541-549-553>555-559-171000- /O.CON.KPSR.XH.W.0008.260817T1700Z-260822T0300Z/ Aguila Valley-Tonopah Desert-Gila Bend-Cave Creek/New River- Fountain Hills/East Mesa-Northwest Pinal County-West Pinal County- Apache Junction/Gold Canyon-Sonoran Desert Natl Monument- Including the cities of Aguila, Tonopah, Arlington, Wintersburg, Florence, Apache Junction, Sentinel, Cactus Forest, Gila Bend, Wickenburg, Fountain Hills, Casa Grande, Kaka, Coolidge, Hassayampa, Gladden, and Scottsdale 1119 AM MST Sun Aug 16 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... * WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 114 expected. Major Heat Risk. * WHERE...Aguila Valley, Apache Junction/Gold Canyon, Cave Creek/New River, Fountain Hills/East Mesa, Gila Bend, Northwest Pinal County, Sonoran Desert Natl Monument, and Tonopah Desert. * WHEN...From 10 AM Monday to 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. 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. && $$ AZZ537-540-542>544-546-548-550-551-171000- /O.CON.KPSR.XH.W.0008.260817T1700Z-260822T0300Z/ Northwest Valley-Buckeye/Avondale-Deer Valley-Central Phoenix- North Phoenix/Glendale-Scottsdale/Paradise Valley-East Valley- South Mountain/Ahwatukee-Southeast Valley/Queen Creek- Including the cities of Surprise, Avondale, Tempe, Sun City West, Circle City, Goodyear, Liberty, Peoria, Phoenix, Cashion, Mesa, Paradise Valley, Queen Creek, Gilbert, Sun Lakes, Beardsley, Chandler, and Wittmann 1119 AM MST Sun Aug 16 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... * WHAT...Dangerously hot conditions. Afternoon temperatures 109 to 112 expected. Major Heat Risk. * WHERE...The Phoenix metropolitan area. * WHEN...From 10 AM Monday to 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. 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. && $$ AZZ560-171000- /O.CON.KPSR.XH.W.0008.260818T1700Z-260822T0300Z/ San Carlos- Including the cities of San Carlos and Peridot 1119 AM MST Sun Aug 16 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM MST FRIDAY... * WHAT...Dangerously hot conditions. Afternoon temperatures 102 to 110 expected. Major to Extreme Heat Risk. * WHERE...San Carlos. * WHEN...From 10 AM Tuesday to 8 PM MST Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. PRECAUTIONARY/PREPAREDNESS ACTIONS... An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details. && $$ SB