043
WWUS45 KRIW 310652
WSWRIW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1252 AM MDT MON MAR 31 2025
WYZ001-012-014-024-312200-
/O.NEW.KRIW.WW.Y.0020.250331T1200Z-250402T0000Z/
YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS-WIND
RIVER MOUNTAINS WEST-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF MAMMOTH, LAKE, AND OLD FAITHFUL
1252 AM MDT MON MAR 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM
MDT TUESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND 8
INCHES IN MOUNTAIN VALLEYS, AND 8 TO 12 INCHES FOR MOUNTAINS AND
PASSES, WITH LOCALIZED HIGHER TOTALS ON THE HIGHEST PEAKS. WINDS
GUSTING AS HIGH AS 30 TO 40 MPH.
* WHERE...WIND RIVER MOUNTAINS WEST, TETON AND GROS VENTRE
MOUNTAINS, YELLOWSTONE NATIONAL PARK, AND SALT RIVER AND WYOMING
RANGES.
* WHEN...FROM 6 AM THIS MORNING TO 6 PM MDT TUESDAY.
* IMPACTS...EXPECT WINTER TRAVEL CONDITIONS OVER MOUNTAIN PASSES.
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
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