


Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
767 FLUS45 KRIW 050853 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 253 AM MDT Sun Oct 5 2025 WYZ001>020-022>030-061300- 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- 253 AM MDT Sun Oct 5 2025 ...Winter Weather Advisories in effect for Bighorns, Absarokas, Tetons and eastern Wind River Range from this afternoon through Sunday evening... ...Freeze Warning this morning for western valleys... ...Freeze Warnings and Watches tonight for lower elevations east of the Divide... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and tonight. Sunday...Light to moderate snow continues in the mountains, with several inches further accumulation expected. Sub freezing temperatures possible at lower elevations Sunday night. Please see Winter Weather Products and forecasts for details. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Monday night...Another period of near to sub-freezing temperatures expected. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$