262
WWUS75 KPSR 070733
NPWPSR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
1233 AM MST MON SEP 7 2026
AZZ531-535-536-538-539-559-072200-
/O.NEW.KPSR.XH.W.0009.260908T1700Z-260911T0300Z/
KOFA-SOUTHEAST YUMA COUNTY-GILA RIVER VALLEY-TONOPAH DESERT-GILA
BEND-SONORAN DESERT NATL MONUMENT-
INCLUDING THE CITIES OF SENTINEL, TONOPAH, KAKA, PALM CANYON,
HASSAYAMPA, LIGURTA, GILA BEND, ARLINGTON, AND WINTERSBURG
1233 AM MST MON SEP 7 2026
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM MST
THURSDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 104 TO
109 EXPECTED. MAJOR HEAT RISK.
* WHERE...GILA BEND, SONORAN DESERT NATL MONUMENT, TONOPAH DESERT,
GILA RIVER VALLEY, KOFA, AND SOUTHEAST YUMA COUNTY.
* WHEN...FROM 10 AM TUESDAY TO 8 PM MST THURSDAY.
* 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.
AZZ532-072200-
/O.NEW.KPSR.XH.W.0009.260908T1700Z-260911T0300Z/
YUMA-
INCLUDING THE CITIES OF YUMA AND FORTUNA FOOTHILLS
1233 AM MST MON SEP 7 2026
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM MST
THURSDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 107 TO
109 EXPECTED. MAJOR HEAT RISK.
* WHERE...THE YUMA AREA.
* WHEN...FROM 10 AM TUESDAY TO 8 PM MST THURSDAY.
* 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>551-072200-
/O.NEW.KPSR.XH.W.0009.260908T1700Z-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 AVONDALE, MESA, CIRCLE CITY, SUN LAKES,
WITTMANN, FOUNTAIN HILLS, PARADISE VALLEY, PEORIA, SUN CITY WEST,
GILBERT, PHOENIX, CASHION, LIBERTY, QUEEN CREEK, CHANDLER, TEMPE,
SCOTTSDALE, GOODYEAR, BEARDSLEY, AND SURPRISE
1233 AM MST MON SEP 7 2026
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM MST
THURSDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 105 TO
109 EXPECTED. MAJOR HEAT RISK.
* WHERE...THE PHOENIX METROPOLITAN AREA.
* WHEN...FROM 10 AM TUESDAY TO 8 PM MST THURSDAY.
* 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.
CAZ566-567-072200-
/O.NEW.KPSR.XH.W.0009.260908T1700Z-260912T0300Z/
IMPERIAL COUNTY WEST-IMPERIAL VALLEY-
INCLUDING THE CITIES OF BRAWLEY, CALEXICO, ALAMORIO, PLASTER CITY,
SALTON CITY, EL CENTRO, COYOTE WELLS, OCOTILLO, COOLIDGE SPRINGS, AND
WINONA
1233 AM PDT MON SEP 7 2026
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT
FRIDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 106 TO
112 EXPECTED. MAJOR HEAT RISK.
* WHERE...IMPERIAL COUNTY WEST AND IMPERIAL VALLEY.
* WHEN...FROM 10 AM TUESDAY TO 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.
AZZ530-533-CAZ569-570-072200-
/O.NEW.KPSR.XH.W.0009.260909T1700Z-260912T0300Z/
PARKER VALLEY-CENTRAL LA PAZ-PALO VERDE VALLEY-CHUCKWALLA VALLEY-
INCLUDING THE CITIES OF QUARTZSITE, MIDLAND, SALOME, RIPLEY,
HARCUVAR, EHRENBERG, BLYTHE, PARKER, VICKSBURG JUNCTION, PALO VERDE,
BRENDA, VICKSBURG, AND MARTINEZ LAKE
1233 AM MST MON SEP 7 2026 /1233 AM PDT MON SEP 7 2026/
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MST /10 AM PDT/
WEDNESDAY TO 8 PM MST /8 PM PDT/ FRIDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 102 TO
111 EXPECTED. MAJOR HEAT RISK.
* WHERE...IN ARIZONA, CENTRAL LA PAZ AND PARKER VALLEY. IN
CALIFORNIA, CHUCKWALLA VALLEY AND PALO VERDE VALLEY.
* WHEN...FROM 10 AM MST /10 AM PDT/ WEDNESDAY 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.
TW
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