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WWUS45 KRIW 012337
WSWRIW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
537 PM MDT TUE APR 1 2025
WYZ001-012-014-024-020045-
/O.EXP.KRIW.WW.Y.0020.000000T0000Z-250402T0000Z/
YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS-WIND
RIVER MOUNTAINS WEST-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
537 PM MDT TUE APR 1 2025
..WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING
THE HEAVIEST SNOWFALL IS COMING TO AN END ACROSS THE WESTERN
MOUNTAINS AND GREATER YELLOWSTONE NATIONAL PARK. THUS, THE WINTER
WEATHER ADVISORY WILL BE ALLOWED TO EXPIRE AS SCHEDULED. LIGHT SNOW
IS EXPECTED TO CONTINUE OVERNIGHT TONIGHT, BUT FURTHER ACCUMULATIONS
WILL REMAIN LIGHT.
WYZ008-009-021500-
/O.CON.KRIW.WW.Y.0020.000000T0000Z-250403T0000Z/
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-
537 PM MDT TUE APR 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
WEDNESDAY...
* WHAT...SNOW EXPECTED WITH TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND
12 INCHES ACROSS THE MOUNTAIN PASSES. WINDS GUSTING AS HIGH AS 40
MPH.
* WHERE...BIGHORN MOUNTAINS SOUTHEAST AND BIGHORN MOUNTAINS WEST.
* WHEN...UNTIL 6 PM MDT WEDNESDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT AND COULD IMPACT THE TUESDAY
EVENING AND WEDNESDAY MORNING COMMUTES, ESPECIALLY ACROSS POWDER
RIVER AND GRANITE 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 .
WYZ010-021500-
/O.CON.KRIW.WW.Y.0020.250402T0500Z-250403T0000Z/
NORTHEAST JOHNSON COUNTY-
INCLUDING THE CITIES OF BUFFALO
537 PM MDT TUE APR 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 6 PM MDT WEDNESDAY...
* WHAT...SNOW EXPECTED WITH GUSTY WINDS BETWEEN 25 AND 35 MPH. 2 TO
3 INCHES ARE FORECAST ALONG THE INTERSTATE 90 CORRIDOR FROM
BUFFALO TO THE SHERIDAN COUNTY LINE. ELSEWHERE CAN EXPECT 1 TO 2
INCHES.
* WHERE...NORTHEAST JOHNSON COUNTY.
* WHEN...FROM 11 PM THIS EVENING TO 6 PM MDT WEDNESDAY.
* IMPACTS...TRAVEL COULD BE DIFFICULT WITH GUSTY WINDS AND PERIODS
OF HEAVY SNOW. THIS COULD IMPACT THE WEDNESDAY MORNING AND EVENING
COMMUTES ALONG INTERSTATE 90.
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/ .
STRAUB
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