797  
WWUS75 KPSR 141919  
NPWPSR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PHOENIX AZ  
1219 PM MST FRI AUG 14 2026  
 
AZZ534-538-539-541-549-553>555-559-151200-  
/O.CON.KPSR.XH.A.0006.260817T1700Z-260820T0300Z/  
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 SENTINEL, APACHE JUNCTION, FLORENCE,  
HASSAYAMPA, WICKENBURG, AGUILA, COOLIDGE, CACTUS FOREST, CASA GRANDE,  
GILA BEND, TONOPAH, KAKA, WINTERSBURG, FOUNTAIN HILLS, SCOTTSDALE,  
GLADDEN, AND ARLINGTON  
1219 PM MST FRI AUG 14 2026  
 
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH  
WEDNESDAY EVENING...  
 
* WHAT...DANGEROUSLY HOT CONDITIONS POSSIBLE. AFTERNOON TEMPERATURES  
106 TO 113. MAJOR HEAT RISK.  
 
* WHERE...AGUILA VALLEY, APACHE JUNCTION/GOLD CANYON, CAVE CREEK/NEW  
RIVER, FOUNTAIN HILLS/EAST MESA, GILA BEND, NORTHWEST PINAL COUNTY,  
SONORAN DESERT NATL MONUMENT, TONOPAH DESERT, AND WEST PINAL  
COUNTY.  
 
* WHEN...FROM MONDAY MORNING THROUGH WEDNESDAY 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.  
 

 
 

 
 
AZZ537-540-542>544-546-548-550-551-151200-  
/O.CON.KPSR.XH.A.0006.260817T1700Z-260820T0300Z/  
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 SUN LAKES, LIBERTY, GILBERT, SURPRISE,  
AVONDALE, CASHION, TEMPE, CHANDLER, MESA, PEORIA, WITTMANN, CIRCLE  
CITY, PARADISE VALLEY, BEARDSLEY, GOODYEAR, SUN CITY WEST, PHOENIX,  
AND QUEEN CREEK  
1219 PM MST FRI AUG 14 2026  
 
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH  
WEDNESDAY EVENING...  
 
* WHAT...DANGEROUSLY HOT CONDITIONS POSSIBLE. AFTERNOON TEMPERATURES  
109 TO 112. MAJOR HEAT RISK.  
 
* WHERE...THE PHOENIX METROPOLITAN AREA.  
 
* WHEN...FROM MONDAY MORNING THROUGH WEDNESDAY 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.  
HTTPS://WWW.MARICOPA.GOV/HEAT  
 
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.  
 

 
 

 
 
AR  
 
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