


Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
533 FLUS45 KRIW 040650 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 1250 AM MDT Sat Oct 4 2025 WYZ001>020-022>030-051300- 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- 1250 AM MDT Sat Oct 4 2025 ...Winter Weather Advisories in effect for Bighorns, Absarokas, Tetons and eastern Wind River Range from this afternoon through Sunday... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight. Saturday...Periods of rain likely across much of the area. Snow likely in the mountains with several inches at the higher elevations of the Absaroka, Wind River, and Bighorn Mountains, with the worst conditions tonight. Please see Winter Weather Products and forecasts for details. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Sunday...Light to moderate snow continues in the mountains. Sub freezing temperatures possible at lower elevations Sunday night. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$