Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
508 WWUS75 KPSR 210824 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 124 AM MST Tue Jul 21 2026 AZZ530-532-CAZ562>570-212200- /O.CON.KPSR.XH.A.0005.260722T1700Z-260728T0300Z/ Parker Valley-Yuma-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 Winterhaven, Ehrenberg, Ripley, Winona, Brawley, Imperial Hot Mineral Springs, Chiriaco Summit, Palo Verde, Midland, Plaster City, Desert Shores, Blythe, Fortuna Foothills, Coyote Wells, El Centro, Alamorio, Martinez Lake, Yuma, Salton City, Parker, Mountain Spring, Coolidge Springs, Ocotillo, and Calexico 124 AM MST Tue Jul 21 2026 /124 AM PDT Tue Jul 21 2026/ ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH MONDAY EVENING... * WHAT...Dangerously hot conditions possible. Afternoon temperatures 108 to 116. Major Heat Risk. * WHERE...Southwest Arizona and southeast California. * WHEN...From Wednesday morning through Monday 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... An Extreme Heat Watch means that a period of very hot temperatures, even by local standards, may 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. && $$ AZZ531-533-535-536-CAZ560-561-212200- /O.CON.KPSR.XH.A.0005.260723T1700Z-260728T0300Z/ Kofa-Central La Paz-Southeast Yuma County-Gila River Valley- Joshua Tree NP West-Joshua Tree NP East- Including the cities of Brenda, Vicksburg Junction, Vicksburg, Ligurta, Palm Canyon, Cottonwood Visitor, Harcuvar, Lost Horse-Keys Village, Quartzsite, and Salome 124 AM MST Tue Jul 21 2026 /124 AM PDT Tue Jul 21 2026/ ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH MONDAY EVENING... * WHAT...Dangerously hot conditions possible. Afternoon temperatures 108 to 116. Major Heat Risk. * WHERE...In Arizona, Central La Paz, Gila River Valley, Kofa, and Southeast Yuma County. In California, Joshua Tree National Park. * WHEN...From Thursday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. PRECAUTIONARY/PREPAREDNESS ACTIONS... An Extreme Heat Watch means that a period of very hot temperatures, even by local standards, may occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details. && $$ AZZ534-538-539-541-545-547-549-552>555-559-212200- /O.CON.KPSR.XH.A.0005.260723T1700Z-260728T0300Z/ Aguila Valley-Tonopah Desert-Gila Bend-Cave Creek/New River-New River Mesa-Rio Verde/Salt River-Fountain Hills/East Mesa-Superior- Northwest Pinal County-West Pinal County-Apache Junction/Gold Canyon-Sonoran Desert Natl Monument- Including the cities of Gladden, Fountain Hills, Tonopah, Apache Junction, Kaka, Arlington, Florence, Wickenburg, Aguila, Superior, Hassayampa, Sentinel, Cactus Forest, Coolidge, Gila Bend, Tortilla Flat, Casa Grande, Wintersburg, and Scottsdale 124 AM MST Tue Jul 21 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH MONDAY EVENING... * WHAT...Dangerously hot conditions possible. Afternoon temperatures 105 to 115. Major Heat Risk. * WHERE...Portions of South-central Arizona. * WHEN...From Thursday morning through Monday 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... An Extreme Heat Watch means that a period of very hot temperatures, even by local standards, may 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>544-546-548-550-551-212200- /O.CON.KPSR.XH.A.0005.260723T1700Z-260728T0300Z/ 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 Goodyear, Circle City, Sun City West, Peoria, Phoenix, Paradise Valley, Gilbert, Cashion, Surprise, Tempe, Sun Lakes, Chandler, Wittmann, Liberty, Queen Creek, Mesa, Avondale, and Beardsley 124 AM MST Tue Jul 21 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH MONDAY EVENING... * WHAT...Dangerously hot conditions possible. Afternoon temperatures 110 to 115. Major Heat Risk. * WHERE...South central Arizona, including the Phoenix metro. * WHEN...From Thursday morning through Monday 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... An Extreme Heat Watch means that a period of very hot temperatures, even by local standards, may 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. && $$ CK