239  
WWUS45 KRIW 260514  
WSWRIW  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
1114 PM MDT SAT APR 25 2026  
 
WYZ008-009-262300-  
/O.NEW.KRIW.WW.Y.0017.260426T2100Z-260427T1500Z/  
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-  
1114 PM MDT SAT APR 25 2026  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SUNDAY TO 9 AM MDT  
MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND 10  
INCHES.  
 
* WHERE...BIGHORN MOUNTAINS SOUTHEAST AND BIGHORN MOUNTAINS WEST.  
 
* WHEN...FROM 3 PM SUNDAY TO 9 AM MDT MONDAY.  
 
* IMPACTS...TRAVEL COULD BE DIFFICULT, ESPECIALLY FOR POWDER RIVER  
AND GRANITE PASSES. THE HAZARDOUS CONDITIONS COULD IMPACT THE  
MONDAY MORNING COMMUTE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
FOR GRAPHICAL DEPICTIONS OF THE SNOWFALL FORECAST, INCLUDING THE  
OFFICIAL NWS FORECAST, HIGH END AMOUNTS, AND LOW END AMOUNTS, VISIT  
HTTPS://WEATHER.GOV/RIW/WINTER .  
 
FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF  
TRANSPORTATION, VISIT HTTPS://WYOROAD.INFO .  
 

 
 

 
 
WYZ010-262300-  
/O.NEW.KRIW.WW.Y.0017.260427T0000Z-260427T1500Z/  
NORTHEAST JOHNSON COUNTY-  
INCLUDING THE CITIES OF BUFFALO  
1114 PM MDT SAT APR 25 2026  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 9 AM MDT  
MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES.  
WINDS GUSTING AS HIGH AS 30 TO 35 MPH.  
 
* WHERE...NORTHEAST JOHNSON COUNTY.  
 
* WHEN...FROM 6 PM SUNDAY TO 9 AM MDT MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS, ESPECIALLY ALONG  
INTERSTATES 25 AND 90 NORTH AND EAST OF BUFFALO. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE MONDAY MORNING COMMUTE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
FOR GRAPHICAL DEPICTIONS OF THE SNOWFALL FORECAST, INCLUDING THE  
OFFICIAL NWS FORECAST, HIGH END AMOUNTS, AND LOW END AMOUNTS, VISIT  
HTTPS://WEATHER.GOV/RIW/WINTER .  
 
FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF  
TRANSPORTATION, VISIT HTTPS://WYOROAD.INFO .  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/RIW/ .  
 
LOWE  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page