


Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
964 FLUS45 KRIW 220640 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 1240 AM MDT Tue Jul 22 2025 WYZ001>020-022>030-231300- 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- 1240 AM MDT Tue Jul 22 2025 ...Red Flag Warning for much of central and southern Wyoming from 12 pm to 8 pm today... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight. Elevated to fire weather likely across central and southern Wyoming this afternoon. Locally strong thunderstorms possible this afternoon, mainly in northern Wyoming. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Elevated to near critical fire weather conditions for the remainder of the week with isolated thunderstorm chances each afternoon and evening. The most numerous storms are expected on Wednesday and Thursday. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$