987  
WWUS75 KPSR 301846  
NPWPSR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PHOENIX AZ  
1146 AM MST WED JUL 30 2025  
 
AZZ534-538-539-541-549-552>555-559-311000-  
/O.NEW.KPSR.XH.W.0005.250801T1700Z-250803T0300Z/  
AGUILA VALLEY-TONOPAH DESERT-GILA BEND-CAVE CREEK/NEW RIVER-  
FOUNTAIN HILLS/EAST MESA-SUPERIOR-NORTHWEST PINAL COUNTY-WEST  
PINAL COUNTY-APACHE JUNCTION/GOLD CANYON-SONORAN DESERT NATL  
MONUMENT-  
INCLUDING THE CITIES OF CASA GRANDE, SENTINEL, KAKA, COOLIDGE,  
SUPERIOR, CACTUS FOREST, ARLINGTON, GLADDEN, TONOPAH, APACHE  
JUNCTION, WINTERSBURG, GILA BEND, SCOTTSDALE, HASSAYAMPA,  
FLORENCE, AGUILA, FOUNTAIN HILLS, AND WICKENBURG  
1146 AM MST WED JUL 30 2025  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM FRIDAY TO 8 PM MST  
SATURDAY...  
 
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 107 TO  
114 EXPECTED. MAJOR HEAT RISK. OVEREXPOSURE CAN CAUSE HEAT CRAMPS  
AND HEAT EXHAUSTION TO DEVELOP AND, WITHOUT INTERVENTION, CAN LEAD  
TO HEAT STROKE.  
 
* WHERE...SONORAN DESERT NATIONAL MONUMENT, AGUILA VALLEY, TONOPAH  
DESERT, GILA BEND, CAVE CREEK/NEW RIVER, FOUNTAIN HILLS/EAST MESA,  
SUPERIOR, NORTHWEST PINAL COUNTY, WEST PINAL COUNTY, AND APACHE  
JUNCTION/GOLD CANYON.  
 
* WHEN...FROM 10 AM FRIDAY TO 8 PM MST SATURDAY.  
 
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING  
EXTREME HEAT EVENTS.  
 
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>544-546-548-550-551-311000-  
/O.NEW.KPSR.XH.W.0005.250801T1700Z-250803T0300Z/  
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 CHANDLER, AVONDALE, CIRCLE CITY, LIBERTY,  
MESA, GILBERT, TEMPE, PHOENIX, SUN CITY WEST, QUEEN CREEK,  
CASHION, WITTMANN, BEARDSLEY, PEORIA, PARADISE VALLEY, GOODYEAR,  
SURPRISE, AND SUN LAKES  
1146 AM MST WED JUL 30 2025  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM FRIDAY TO 8 PM MST  
SATURDAY...  
 
* WHAT...DANGEROUSLY HOT CONDITIONS. AFTERNOON TEMPERATURES 109 TO  
114 EXPECTED. MAJOR HEAT RISK. OVEREXPOSURE CAN CAUSE HEAT CRAMPS  
AND HEAT EXHAUSTION TO DEVELOP AND, WITHOUT INTERVENTION, CAN LEAD  
TO HEAT STROKE.  
 
* WHERE...THE NORTHWEST VALLEY OF THE PHOENIX METRO AREA, THE EAST  
VALLEY OF THE PHOENIX METRO AREA, BUCKEYE/AVONDALE, DEER VALLEY,  
CENTRAL PHOENIX, NORTH PHOENIX/GLENDALE, SCOTTSDALE/PARADISE  
VALLEY, SOUTH MOUNTAIN/AHWATUKEE, AND SOUTHEAST VALLEY/QUEEN CREEK.  
 
* WHEN...FROM 10 AM FRIDAY TO 8 PM MST SATURDAY.  
 
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING  
EXTREME HEAT EVENTS.  
 
* 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.  
 

 
 

 
 
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