297
WWUS75 KPSR 270745
NPWPSR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
1245 AM MST MON JUL 27 2026
AZZ530-532-CAZ567-569-570-280000-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260730T0300Z/
PARKER VALLEY-YUMA-IMPERIAL VALLEY-PALO VERDE VALLEY-CHUCKWALLA
VALLEY-
INCLUDING THE CITIES OF EL CENTRO, CALEXICO, BLYTHE, MIDLAND,
MARTINEZ LAKE, YUMA, BRAWLEY, PALO VERDE, PARKER, FORTUNA FOOTHILLS,
EHRENBERG, RIPLEY, AND ALAMORIO
1245 AM MST MON JUL 27 2026 /1245 AM PDT MON JUL 27 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
WEDNESDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 109 TO
116. MAJOR HEAT RISK.
* WHERE...PORTIONS OF SOUTHWEST ARIZONA AND SOUTHEAST CALIFORNIA.
* WHEN...UNTIL 8 PM MST /8 PM PDT/ WEDNESDAY.
* 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 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.
AZZ531-533-535-536-CAZ560>566-568-280000-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260728T0300Z/
KOFA-CENTRAL LA PAZ-SOUTHEAST YUMA COUNTY-GILA RIVER VALLEY-
JOSHUA TREE NP WEST-JOSHUA TREE NP EAST-IMPERIAL COUNTY SOUTHWEST-
SALTON SEA-CHUCKWALLA MOUNTAINS-IMPERIAL COUNTY SOUTHEAST-
IMPERIAL COUNTY WEST-CHIRIACO SUMMIT-
INCLUDING THE CITIES OF OCOTILLO, LIGURTA, WINONA, LOST
HORSE-KEYS VILLAGE, PALM CANYON, COOLIDGE SPRINGS, SALOME,
WINTERHAVEN, DESERT SHORES, QUARTZSITE, HARCUVAR, MOUNTAIN SPRING,
BRENDA, COYOTE WELLS, VICKSBURG JUNCTION, VICKSBURG, PLASTER CITY,
COTTONWOOD VISITOR, SALTON CITY, CHIRIACO SUMMIT, AND IMPERIAL HOT
MINERAL SPRINGS
1245 AM MST MON JUL 27 2026 /1245 AM PDT MON JUL 27 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
THIS EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 110 TO
115 DEGREES. MAJOR HEAT RISK.
* WHERE...MOSTLY RURAL PORTIONS OF SOUTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA, INCLUDING JOSHUA TREE NATIONAL PARK.
* WHEN...UNTIL 8 PM MST /8 PM PDT/ 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.
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.
AZZ534-538-539-541-545-547-549-552>555-559-280000-
/O.CON.KPSR.XH.W.0007.000000T0000Z-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 APACHE JUNCTION, CASA GRANDE, WICKENBURG,
TONOPAH, WINTERSBURG, GLADDEN, TORTILLA FLAT, SCOTTSDALE, ARLINGTON,
FOUNTAIN HILLS, AGUILA, SENTINEL, HASSAYAMPA, GILA BEND, COOLIDGE,
CACTUS FOREST, SUPERIOR, KAKA, AND FLORENCE
1245 AM MST MON JUL 27 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 104 TO
113. MAJOR HEAT RISK.
* WHERE...PORTIONS OF SOUTH-CENTRAL ARIZONA.
* 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.
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>544-546-548-550-551-280000-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260730T0300Z/
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 PEORIA, GILBERT, GOODYEAR, MESA, BEARDSLEY,
TEMPE, SUN LAKES, WITTMANN, QUEEN CREEK, SUN CITY WEST, CHANDLER,
SURPRISE, PHOENIX, LIBERTY, PARADISE VALLEY, CIRCLE CITY, CASHION,
AND AVONDALE
1245 AM MST MON JUL 27 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 108 TO
113. MAJOR HEAT RISK.
* WHERE...SOUTH CENTRAL ARIZONA, INCLUDING THE PHOENIX METROPOLITAN
AREA.
* WHEN...UNTIL 8 PM MST WEDNESDAY.
* 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 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
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