685
FLUS45 KRIW 220830
HWORIW
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
230 AM MDT THU MAY 22 2025
WYZ001>020-022>030-231230-
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-
230 AM MDT THU MAY 22 2025
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.
DAY ONE
TODAY AND TONIGHT.
ISOLATED SHOWERS AND THUNDERSTORMS DEVELOP ACROSS NORTHERN AND
CENTRAL WY THIS AFTERNOON/EVENING. STRONG GUSTY OUTFLOW WINDS WILL BE
THE MAIN CONCERN WITH ANY DEVELOPING SHOWERS OR STORMS. GUSTY WINDS
AND LOW RH VALUES OF 15-20% WILL LEAD TO NEAR ELEVATED FIRE WEATHER
CONCERNS ACROSS PORTIONS OF SOUTHERN WY.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH WEDNESDAY.
THURSDAY AND FRIDAY...SCATTERED AFTERNOON AND EVENING SHOWERS AND
THUNDERSTORMS OCCUR ACROSS MAINLY THE NORTH HALF OF THE STATE.
SATURDAY AND SUNDAY...A WEATHER SYSTEM MOVES ACROSS THE REGION AND
PROVIDES THE CHANCE FOR WIDESPREAD PRECIPITATION.
MEMORIAL DAY AND TUESDAY...SCATTERED AFTERNOON AND EVENING SHOWERS
AND THUNDERSTORMS LINGER IN THE WAKE OF THE WEEKEND WEATHER SYSTEM.
SPOTTER INFORMATION STATEMENT
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
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