490
WWUS75 KPSR 150650
NPWPSR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
1150 PM MST FRI AUG 14 2026
AZZ530>533-535-536-CAZ562-565>567-569-570-152230-
/O.EXB.KPSR.XH.A.0006.260818T1700Z-260822T0300Z/
PARKER VALLEY-KOFA-YUMA-CENTRAL LA PAZ-SOUTHEAST YUMA COUNTY-GILA
RIVER VALLEY-IMPERIAL COUNTY SOUTHWEST-IMPERIAL COUNTY SOUTHEAST-
IMPERIAL COUNTY WEST-IMPERIAL VALLEY-PALO VERDE VALLEY-CHUCKWALLA
VALLEY-
INCLUDING THE CITIES OF MIDLAND, FORTUNA FOOTHILLS, COYOTE WELLS,
VICKSBURG, YUMA, PLASTER CITY, EHRENBERG, ALAMORIO, BLYTHE, VICKSBURG
JUNCTION, PALM CANYON, RIPLEY, PALO VERDE, COOLIDGE SPRINGS, SALTON
CITY, HARCUVAR, BRAWLEY, QUARTZSITE, WINONA, OCOTILLO, CALEXICO,
MOUNTAIN SPRING, LIGURTA, PARKER, WINTERHAVEN, BRENDA, MARTINEZ LAKE,
SALOME, AND EL CENTRO
1150 PM MST FRI AUG 14 2026 /1150 PM PDT FRI AUG 14 2026/
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY
EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS POSSIBLE. AFTERNOON TEMPERATURES
107 TO 114. MAJOR HEAT RISK.
* WHERE...PORTIONS OF SOUTHWEST ARIZONA AND SOUTHEAST CALIFORNIA.
* WHEN...FROM TUESDAY MORNING THROUGH FRIDAY 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.
AZZ534-538-539-541-549-553>555-559-152230-
/O.EXT.KPSR.XH.A.0006.260817T1700Z-260822T0300Z/
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 CASA GRANDE, HASSAYAMPA, SCOTTSDALE, FOUNTAIN
HILLS, COOLIDGE, TONOPAH, CACTUS FOREST, WINTERSBURG, AGUILA, GILA
BEND, WICKENBURG, SENTINEL, FLORENCE, KAKA, ARLINGTON, APACHE
JUNCTION, AND GLADDEN
1150 PM MST FRI AUG 14 2026
...EXTREME HEAT WATCH NOW IN EFFECT FROM MONDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS POSSIBLE. AFTERNOON TEMPERATURES
106 TO 114. 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 FRIDAY 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.
AZZ537-540-542>544-546-548-550-551-152230-
/O.EXT.KPSR.XH.A.0006.260817T1700Z-260822T0300Z/
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 CASHION, WITTMANN, PARADISE VALLEY, MESA, SUN
CITY WEST, QUEEN CREEK, LIBERTY, BEARDSLEY, SURPRISE, CIRCLE CITY,
PHOENIX, GILBERT, SUN LAKES, GOODYEAR, CHANDLER, PEORIA, TEMPE, AND
AVONDALE
1150 PM MST FRI AUG 14 2026
...EXTREME HEAT WATCH NOW IN EFFECT FROM MONDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS POSSIBLE. AFTERNOON TEMPERATURES
109 TO 113 AND OVERNIGHT LOWS 88 TO 92. MAJOR HEAT RISK.
* WHERE...THE PHOENIX METROPOLITAN AREA.
* WHEN...FROM MONDAY MORNING THROUGH FRIDAY 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.
CK
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