739
FLUS45 KRIW 111847
HWORIW
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
1247 PM MDT WED MAR 11 2026
WYZ001>020-022>030-121300-
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-CODY FOOTHILLS-
NORTH BIGHORN BASIN-SOUTHWEST BIGHORN BASIN-SOUTHEAST BIGHORN BASIN-
OWL CREEK AND BRIDGER MOUNTAINS-BIGHORN MOUNTAINS WEST-
BIGHORN MOUNTAINS SOUTHEAST-NORTHEAST JOHNSON COUNTY-
SOUTHEAST JOHNSON COUNTY-TETON AND GROS VENTRE MOUNTAINS-
JACKSON HOLE-WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-STAR VALLEY-
SALT RIVER AND WYOMING RANGES-UPPER GREEN RIVER BASIN FOOTHILLS-
UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY-
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
1247 PM MDT WED MAR 11 2026
...HIGH WIND WARNINGS IN EFFECT FOR MUCH OF THE REGION LATE TONIGHT
INTO THURSDAY EVENING...
...WINTER WEATHER ADVISORY POSTED FOR THE NORTHWEST MOUNTAINS LATE
TONIGHT THROUGH THURSDAY EVENING...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.
DAY ONE
THIS AFTERNOON AND TONIGHT.
A STORM SYSTEM WILL PRODUCE SNOW IN THE WESTERN MOUNTAINS BEGINNING
LATE WEDNESDAY EVENING THROUGH THE OVERNIGHT HOURS. TO THE EAST, WIND
SPEEDS BEGIN TO INCREASE AND BECOME STRONG LATE TONIGHT ACROSS THE
HIGHER TERRAIN AND NATRONA COUNTY.
DAYS TWO THROUGH SEVEN
THURSDAY THROUGH TUESDAY.
THURSDAY AND THURSDAY EVENING...WIDESPREAD WIND GUSTS 40 TO 60 MPH
WITH LOCALIZED GUSTS 60 TO AROUND 70 MPH EAST OF THE CONTINENTAL
DIVIDE. THE COMBINATION OF SNOW AND WIND CREATES HAZARDOUS TRAVEL
CONDITIONS OVER THE WESTERN MOUNTAIN PASSES.
FRIDAY THROUGH SATURDAY NIGHT...WIDESPREAD WIND GUSTS 35 TO 50 MPH
ACROSS MOST OF THE REGION. ANOTHER ROUND OF HEAVIER SNOW ARRIVES BY
FRIDAY AFTERNOON AND PERSISTS THROUGH SATURDAY NIGHT. PASSAGE OF A
COLD FRONT SATURDAY NIGHT COULD LEAD TO LIGHT SNOWFALL ACROSS LOWER
ELEVATIONS EAST OF THE CONTINENTAL DIVIDE AFTER SUNSET SATURDAY.
SPOTTER INFORMATION STATEMENT
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
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