


Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
645 FLUS45 KRIW 290909 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 309 AM MDT Sun Jun 29 2025 WYZ001>020-022>030-301300- 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- 309 AM MDT Sun Jun 29 2025 This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight. Elevated fire weather continues across southern Wyoming this afternoon. Isolated thunderstorms this afternoon mainly in Johnson and Natrona County with hail and strong wind gusts possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Wednesday and Friday...Increasing chances of showers and thunderstorms, with the most numerous storms expected on Thursday and Friday. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$