Expires:202403250100;Remove:202403250100;556668 WWUS45 KRIW 242356 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 556 PM MDT Sun Mar 24 2024 WYZ005-007-250100- /O.EXP.KRIW.WW.Y.0018.000000T0000Z-240325T0000Z/ Southwest Bighorn Basin-Owl Creek and Bridger Mountains- Including the city of Thermopolis 556 PM MDT Sun Mar 24 2024 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING... Snow has diminished expecting little to no accumulations into the overnight hours. $$ For more information from the National Weather Service visit https://weather.gov/riw