Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
290 FLUS45 KRIW 230805 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 105 AM MST Sun Nov 23 2025 WYZ001>020-022>030-241215- 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- 105 AM MST Sun Nov 23 2025 This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Monday and Monday Night...A strong storm will bring colder temperatures and gusty winds. Light snow will also be possible across northwestern and northern WY. Snow accumulations of 1 to 3 inches are possible in the mountains, including the Bighorns. Accumulations of a trace to 1 inch possible in the Jackson Valley and portions of Johnson/Natrona counties. Some of the coldest temperatures of the season so far expected for Tuesday and Wednesday. Friday...A minor system could bring chances for light snow over northern portions. Saturday through Monday...Another strong storm enters the region, bringing increased chances for widespread snowfall and cold temperatures. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$