540  
WWUS75 KVEF 091656  
NPWVEF  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
956 AM PDT WED JUL 9 2025  
 
AZZ002-003-036-CAZ527-NVZ021-100300-  
/O.CON.KVEF.XH.W.0005.250709T1700Z-250710T0300Z/  
LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-LAKE MEAD NATIONAL  
RECREATION AREA-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-  
LAKE MEAD NATIONAL RECREATION AREA-  
INCLUDING THE CITIES OF KINGMAN, WIKIEUP, DESERT HILLS, TOPOCK,  
BULLHEAD CITY, YUCCA, VALENTINE, HOOVER DAM, MOHAVE VALLEY,  
LAUGHLIN, OATMAN, DOLAN SPRINGS, LAKE HAVASU CITY, NEEDLES, AND  
GOLDEN VALLEY  
956 AM PDT WED JUL 9 2025 /956 AM MST WED JUL 9 2025/  
 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/  
THIS EVENING...  
 
* WHAT...DANGEROUSLY HOT CONDITIONS ARE EXPECTED THIS AFTERNOON.  
AFTERNOON HIGH TEMPERATURES IN THE COLORADO RIVER VALLEY WILL BE  
BETWEEN 110 AND 120 DEGREES. HIGH TEMPERATURES IN THE LOWER  
ELEVATIONS OF SOUTHERN MOHAVE COUNTY WILL BE AROUND 110 TO 115  
DEGREES.  
 
* WHERE...LAKE MEAD NATIONAL RECREATION AREA, LAKE HAVASU AND FORT  
MOHAVE, NORTHWEST DESERTS, AND SAN BERNARDINO COUNTY-UPPER  
COLORADO RIVER VALLEY.  
 
* WHEN...UNTIL 8 PM PDT /8 PM MST/ THIS EVENING.  
 
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING  
EXTREME HEAT EVENTS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR  
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.  
 
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE  
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING  
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND  
HEAT STROKE.  
 
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.  
 
STAY COOL, STAY HYDRATED, STAY INFORMED.  
 
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT  
HTTP://WEATHER.GOV/LASVEGAS  
 
PLANZ  
 
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