614  
WWUS75 KRIW 241904  
NPWRIW  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
1204 PM MST WED DEC 24 2025  
 
WYZ015-251415-  
/O.CON.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/  
WIND RIVER MOUNTAINS EAST-  
1204 PM MST WED DEC 24 2025  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11  
AM MST THURSDAY...  
 
* WHAT...SOUTHWEST WINDS 35 TO 50 MPH WITH GUSTS UP TO 75 MPH  
EXPECTED.  
 
* WHERE...WIND RIVER MOUNTAINS EAST.  
 
* WHEN...FROM 7 PM THIS EVENING TO 11 AM MST THURSDAY.  
 
* IMPACTS...TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE  
VEHICLES. THIS INCLUDES OVER SOUTH PASS.  
 
* ADDITIONAL DETAILS...PERIODS OF SNOW AND BLOWING SNOW MAY BRING  
REDUCED VISIBILITY AT TIMES.  
 
 
 
WYZ019-020-022-251415-  
/O.CON.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/  
GREEN MOUNTAINS AND RATTLESNAKE RANGE-NATRONA COUNTY LOWER  
ELEVATIONS-CASPER MOUNTAIN-  
INCLUDING THE CITIES OF JEFFREY CITY AND CASPER  
1204 PM MST WED DEC 24 2025  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11  
AM MST THURSDAY...  
 
* WHAT...SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS UP TO 60 MPH  
EXPECTED. LOCALLY HIGHER GUSTS ARE POSSIBLE ON THE SOUTH SIDE OF  
CASPER.  
 
* WHERE...CASPER MOUNTAIN, GREEN MOUNTAINS AND RATTLESNAKE RANGE,  
AND NATRONA COUNTY LOWER ELEVATIONS.  
 
* WHEN...FROM 7 PM THIS EVENING TO 11 AM MST THURSDAY.  
 
* IMPACTS...TRAVEL MAY BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE  
VEHICLES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WATCH FOR FALLING DEBRIS AND TREE LIMBS. USE CAUTION IF YOU MUST  
DRIVE.  
 
 
 
 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/RIW/ .  
 
WITTMANN  
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