553
WWUS45 KRIW 251913
WSWRIW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1213 PM MST WED FEB 25 2026
WYZ001-002-252015-
/O.CAN.KRIW.WS.W.0002.000000T0000Z-260226T0000Z/
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-
INCLUDING THE CITIES OF OLD FAITHFUL, LAKE, AND MAMMOTH
1213 PM MST WED FEB 25 2026
..WINTER STORM WARNING IS CANCELLED
ISOLATED SHOWERS ARE EXPECTED TO LINGER ACROSS THE AREA THROUGH THE
AFTERNOON AND EVENING WITH LITTLE ADDITIONAL SNOW ACCUMULATION
EXPECTED. STRONG GUSTY WINDS CONTINUE WITH PERIODIC GUSTS IN EXCESS
OF 50 MPH POSSIBLE AT TIMES.
WYZ008-009-252015-
/O.CAN.KRIW.WW.Y.0009.000000T0000Z-260226T0000Z/
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-
1213 PM MST WED FEB 25 2026
..WINTER WEATHER ADVISORY IS CANCELLED
ISOLATED SHOWERS ARE EXPECTED TO LINGER ACROSS THE AREA THROUGH THE
AFTERNOON AND EVENING WITH LITTLE ADDITIONAL SNOW ACCUMULATION
EXPECTED. STRONG GUSTY WINDS CONTINUE WITH PERIODIC GUSTS IN EXCESS
OF 50 MPH POSSIBLE AT TIMES.
WYZ012-024-260000-
/O.CON.KRIW.WS.W.0002.000000T0000Z-260226T0000Z/
TETON AND GROS VENTRE MOUNTAINS-SALT RIVER AND WYOMING RANGES-
1213 PM MST WED FEB 25 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES.
WINDS GUSTING AS HIGH AS 50 MPH.
* WHERE...TETON AND GROS VENTRE MOUNTAINS AND SALT RIVER AND WYOMING
RANGES.
* WHEN...UNTIL 5 PM MST THIS AFTERNOON.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE WEDNESDAY COMMUTE, ESPECIALLY OVER TETON AND
TOGWOTEE PASSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.
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.
WYZ014-260000-
/O.CON.KRIW.WS.W.0002.000000T0000Z-260226T0000Z/
WIND RIVER MOUNTAINS WEST-
1213 PM MST WED FEB 25 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 3 INCHES.
WINDS GUSTING AS HIGH AS 60 MPH.
* WHERE...WIND RIVER MOUNTAINS WEST.
* WHEN...UNTIL 5 PM MST THIS AFTERNOON.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT OVER SOUTH PASS. THE
HAZARDOUS CONDITIONS COULD IMPACT THE WEDNESDAY COMMUTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.
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/ .
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