


Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
468 FLUS45 KRIW 120746 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 146 AM MDT Sun Oct 12 2025 WYZ001>020-022>030-131200- 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- 146 AM MDT Sun Oct 12 2025 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY MORNING... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight. Wind gusts of 35 to 45 mph will be ongoing across much of the forecast area by sunrise. These winds will begin to decrease by midday and subside through the rest of the afternoon. Light showers and mountain snow will continue over northern portions through the morning, with isolated showers possible over western portions through the afternoon. Freezing temperatures will be widespread tonight, with areas west of the Divide dropping into the 20s. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Tuesday through Thursday...Chances for precipitation return to western portions Tuesday, with more widespread chances Wednesday through Friday. Gusty southerly winds return Tuesday, with stronger winds Wednesday as a cold front moves over the area. Chances for precipitation will remain in place Thursday, as gusty winds turn northwesterly. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$