Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
400 FLUS45 KRIW 181246 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 546 AM MST Tue Nov 18 2025 WYZ001>020-022>030-191700- 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- 546 AM MST Tue Nov 18 2025 This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and tonight. Rain and snow showers continue through the morning, and then decrease in coverage during the afternoon. Areas of patchy fog are possible this morning especially across western valleys such as Star Valley and Jackson Hole. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday though Friday... Cooler and unsettled with a chance of showers, although details remain uncertain. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$