862  
WWUS75 KSLC 091652  
NPWSLC  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
1052 AM MDT SUN AUG 9 2026  
 
UTZ101-102-104-105-100600-  
/O.CON.KSLC.XH.W.0005.000000T0000Z-260810T0600Z/  
GREAT SALT LAKE DESERT AND MOUNTAINS-TOOELE AND RUSH VALLEYS-  
NORTHERN WASATCH FRONT-SALT LAKE VALLEY-  
INCLUDING THE FOLLOWING LOCATIONS - SANDY, DUGWAY, WEST JORDAN,  
VERNON, TOOELE, SALT LAKE CITY, PARK VALLEY, WENDOVER, OGDEN,  
BOUNTIFUL, AND GRANTSVILLE  
1052 AM MDT SUN AUG 9 2026  
 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT  
TONIGHT...  
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES UP TO 100 WITH  
LITTLE OVERNIGHT RELIEF.  
 
* WHERE...GREAT SALT LAKE DESERT AND MOUNTAINS, NORTHERN WASATCH  
FRONT, SALT LAKE VALLEY, AND TOOELE AND RUSH VALLEYS.  
 
* WHEN...UNTIL MIDNIGHT MDT TONIGHT.  
 
* 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.  
 
 
 
 
 
UTZ123-124-131-100300-  
/O.CON.KSLC.XH.W.0005.000000T0000Z-260810T0300Z/  
LOWER WASHINGTON COUNTY-ZION NATIONAL PARK-GLEN CANYON RECREATION  
AREA/LAKE POWELL-  
INCLUDING THE FOLLOWING LOCATIONS - SPRINGDALE, HURRICANE, ST  
GEORGE, IVINS, BIG WATER, AND BULLFROG  
1052 AM MDT SUN AUG 9 2026  
 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS  
EVENING...  
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES UP TO 109.  
 
* WHERE...GLEN CANYON RECREATION AREA/LAKE POWELL, LOWER WASHINGTON  
COUNTY, AND ZION NATIONAL PARK.  
 
* WHEN...UNTIL 9 PM MDT 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.  
 
 
 
 
 
UTZ103-106-107-116-100600-  
/O.CON.KSLC.HT.Y.0007.000000T0000Z-260810T0600Z/  
EASTERN BOX ELDER COUNTY-UTAH VALLEY-CACHE VALLEY/UTAH PORTION-  
EASTERN JUAB/MILLARD COUNTIES-  
INCLUDING THE FOLLOWING LOCATIONS - SCIPIO, PROVO, PAYSON,  
SNOWVILLE, SMITHFIELD, LEHI, BRIGHAM CITY, LOGAN, NEPHI, AND FILLMORE  
1052 AM MDT SUN AUG 9 2026  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT  
 
* WHAT...TEMPERATURES UP TO 98 WITH LITTLE RELIEF OVERNIGHT.  
 
* WHERE...EASTERN JUAB/MILLARD COUNTIES, CACHE VALLEY/UTAH PORTION,  
EASTERN BOX ELDER COUNTY, AND UTAH VALLEY.  
 
* WHEN...UNTIL MIDNIGHT MDT TONIGHT.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.  
 
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.  
 
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  
 
JAC  
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