240  
WWUS75 KSLC 122045  
NPWSLC  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
245 PM MDT TUE AUG 12 2025  
 
UTZ131-131145-  
/O.NEW.KSLC.XH.W.0002.250813T1800Z-250814T0200Z/  
GLEN CANYON RECREATION AREA/LAKE POWELL-  
INCLUDING THE FOLLOWING LOCATIONS - BULLFROG AND BIG WATER  
245 PM MDT TUE AUG 12 2025  
   
..EXTREME HEAT WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY
 
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES UP TO 104  
EXPECTED.  
 
* WHERE...GLEN CANYON RECREATION AREA/LAKE POWELL.  
 
* WHEN...FROM NOON TO 8 PM MDT WEDNESDAY.  
 
* 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.  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT  
HTTPS://WEATHER.GOV/SALTLAKECITY.  
 
FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT  
HTTP://UDOTTRAFFIC.UTAH.GOV  
 
CRK  
 
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