655
WWUS45 KRIW 041744
WSWRIW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1144 AM MDT MON MAY 4 2026
WYZ009-015-051300-
/O.NEW.KRIW.WW.Y.0018.260505T0700Z-260506T0700Z/
BIGHORN MOUNTAINS SOUTHEAST-WIND RIVER MOUNTAINS EAST-
1144 AM MDT MON MAY 4 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TUESDAY TO 1 AM MDT
WEDNESDAY...
* WHAT...SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 8 AND 12 INCHES FOR
SOUTH PASS AND POWDER RIVER PASS. TOTAL SNOW ACCUMULATIONS FOR
CENTRAL PORTIONS OF THE WIND RIVER MOUNTAINS OF 12 TO 18 INCHES.
WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...WIND RIVER MOUNTAINS EAST AND BIGHORN MOUNTAINS SOUTHEAST.
* WHEN...FROM 1 AM TUESDAY TO 1 AM MDT WEDNESDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT, ESPECIALLY TUESDAY AFTERNOON.
THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY MORNING AND
EVENING COMMUTES OVER SOUTH PASS AND POWDER RIVER PASS. FALLING
SNOW COMBINED WITH WIND GUSTS AROUND 30 TO 40 MPH WILL LEAD TO
REDUCTIONS IN VISIBILITY.
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/ .
ROWE
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