631
WWUS75 KPSR 021912
NPWPSR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
1212 PM MST SUN AUG 2 2026
AZZ530>533-535-536-CAZ569-570-031200-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260805T0300Z/
PARKER VALLEY-KOFA-YUMA-CENTRAL LA PAZ-SOUTHEAST YUMA COUNTY-GILA
RIVER VALLEY-PALO VERDE VALLEY-CHUCKWALLA VALLEY-
INCLUDING THE CITIES OF MARTINEZ LAKE, VICKSBURG, HARCUVAR, SALOME,
MIDLAND, QUARTZSITE, YUMA, LIGURTA, PALO VERDE, FORTUNA FOOTHILLS,
BLYTHE, RIPLEY, PALM CANYON, PARKER, BRENDA, EHRENBERG, AND VICKSBURG
JUNCTION
1212 PM MST SUN AUG 2 2026 /1212 PM PDT SUN AUG 2 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
TUESDAY...
* WHAT...DANGEROUSLY HOT AND HUMID CONDITIONS. AFTERNOON TEMPERATURES
110 TO 118. MAJOR TO EXTREME HEAT RISK.
* WHERE...YUMA, LA PAZ, AND EASTERN RIVERSIDE COUNTIES, INCLUDING THE
COLORADO RIVER VALLEY.
* WHEN...UNTIL 8 PM MST /8 PM PDT/ TUESDAY.
* IMPACTS...INCREASE IN HEAT RELATED ILLNESSES, INCLUDING HEAT
CRAMPS, HEAT EXHAUSTION, AND HEAT STROKE. HEAT STROKE CAN LEAD TO
DEATH.
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>555-559-031200-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260805T0300Z/
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 ARLINGTON, WINTERSBURG, TONOPAH, CASA GRANDE,
GILA BEND, SENTINEL, COOLIDGE, FLORENCE, SCOTTSDALE, CACTUS FOREST,
KAKA, HASSAYAMPA, GLADDEN, AGUILA, WICKENBURG, FOUNTAIN HILLS, AND
APACHE JUNCTION
1212 PM MST SUN AUG 2 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST TUESDAY
* WHAT...DANGEROUSLY HOT AND HUMID CONDITIONS. AFTERNOON TEMPERATURES
107 TO 118. MAJOR TO EXTREME HEAT RISK.
* WHERE...MOSTLY RURAL AREAS OF MARICOPA COUNTY AND NORTHERN PINAL
COUNTY.
* WHEN...UNTIL 8 PM MST TUESDAY.
* IMPACTS...INCREASE IN HEAT RELATED ILLNESSES, INCLUDING HEAT
CRAMPS, HEAT EXHAUSTION, AND HEAT STROKE. HEAT STROKE CAN LEAD TO
DEATH.
* 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>544-546-548-550-551-031200-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260805T0300Z/
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, BEARDSLEY, CIRCLE CITY, LIBERTY,
CASHION, PHOENIX, PARADISE VALLEY, WITTMANN, MESA, AVONDALE, TEMPE,
GILBERT, QUEEN CREEK, GOODYEAR, SUN CITY WEST, PEORIA, SUN LAKES, AND
CHANDLER
1212 PM MST SUN AUG 2 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST TUESDAY
* WHAT...DANGEROUSLY HOT AND HUMID CONDITIONS. AFTERNOON TEMPERATURES
109 TO 116. MAJOR TO EXTREME HEAT RISK.
* WHERE...THE PHOENIX METROPOLITAN AREA.
* WHEN...UNTIL 8 PM MST TUESDAY.
* IMPACTS...INCREASE IN HEAT RELATED ILLNESSES, INCLUDING HEAT
CRAMPS, HEAT EXHAUSTION, AND HEAT STROKE. HEAT STROKE CAN LEAD TO
DEATH.
* 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.
AZZ545-547-552-556>558-560>563-031200-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260804T0300Z/
NEW RIVER MESA-RIO VERDE/SALT RIVER-SUPERIOR-TONTO BASIN-MAZATZAL
MOUNTAINS-PINAL/SUPERSTITION MOUNTAINS-SAN CARLOS-DRIPPING
SPRINGS-GLOBE/MIAMI-SOUTHEAST GILA COUNTY-
INCLUDING THE CITIES OF PUNKIN CENTER, SUNFLOWER, HAYDEN, SUPERIOR,
TORTILLA FLAT, WINKELMAN, MIAMI, SAN CARLOS, PERIDOT, AND GLOBE
1212 PM MST SUN AUG 2 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST MONDAY
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 98 TO
113. MAJOR HEAT RISK.
* WHERE...SOUTHERN GILA COUNTY AND PORTIONS OF NORTHERN PINAL COUNTY
AND EASTERN MARICOPA COUNTY.
* WHEN...UNTIL 8 PM MST MONDAY.
* IMPACTS...INCREASE IN HEAT RELATED ILLNESSES, INCLUDING HEAT
CRAMPS, HEAT EXHAUSTION, AND HEAT STROKE. HEAT STROKE CAN LEAD TO
DEATH.
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.
CAZ560-561-564-568-031200-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260804T0300Z/
JOSHUA TREE NP WEST-JOSHUA TREE NP EAST-CHUCKWALLA MOUNTAINS-
CHIRIACO SUMMIT-
INCLUDING THE CITIES OF CHIRIACO SUMMIT, IMPERIAL HOT MINERAL
SPRINGS, LOST HORSE-KEYS VILLAGE, AND COTTONWOOD VISITOR
1212 PM PDT SUN AUG 2 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 103 TO
116. MAJOR HEAT RISK.
* WHERE...CHUCKWALLA MOUNTAINS, CHOCOLATE MOUNTAINS, CHIRIACO SUMMIT,
AND JOSHUA TREE NP.
* WHEN...UNTIL 8 PM PDT MONDAY.
* IMPACTS...INCREASE IN HEAT RELATED ILLNESSES, INCLUDING HEAT
CRAMPS, HEAT EXHAUSTION, AND HEAT STROKE. HEAT STROKE CAN LEAD TO
DEATH.
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.
CAZ562-563-565>567-031200-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260805T0300Z/
IMPERIAL COUNTY SOUTHWEST-SALTON SEA-IMPERIAL COUNTY SOUTHEAST-
IMPERIAL COUNTY WEST-IMPERIAL VALLEY-
INCLUDING THE CITIES OF COOLIDGE SPRINGS, COYOTE WELLS, MOUNTAIN
SPRING, WINTERHAVEN, WINONA, EL CENTRO, BRAWLEY, SALTON CITY,
CALEXICO, PLASTER CITY, ALAMORIO, OCOTILLO, AND DESERT SHORES
1212 PM PDT SUN AUG 2 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY
* WHAT...DANGEROUSLY HOT AND HUMID CONDITIONS. AFTERNOON TEMPERATURES
107 TO 119. MAJOR TO EXTREME HEAT RISK.
* WHERE...WESTERN AND SOUTHERN IMPERIAL COUNTY, INCLUDING THE
IMPERIAL VALLEY AND SALTON SEA.
* WHEN...UNTIL 8 PM PDT TUESDAY.
* IMPACTS...INCREASE IN HEAT RELATED ILLNESSES, INCLUDING HEAT
CRAMPS, HEAT EXHAUSTION, AND HEAT STROKE. HEAT STROKE CAN LEAD TO
DEATH.
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.
IS
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