


Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
294 FLUS45 KRIW 031801 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 1201 PM MDT Sun Aug 3 2025 WYZ001>020-022>030-041300- 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- 1201 PM MDT Sun Aug 3 2025 ...Red Flag Warning in Effect from 12 PM to 8 PM Monday Across Southern Wyoming... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...This Afternoon and Tonight. Elevated fire weather conditions may be possible over portions of southern Wyoming through 8 PM, due to low relative humidity and gusty westerly wind. Isolated thunderstorms, most occurring between 2 PM and 7 PM, will mainly be confined to the Absaroka and Bighorn Ranges along with lower elevation locations east of these mountains. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Monday...Warm temperatures and low minimum relative humidity combine with breezy westerly wind to create critical fire weather conditions across southern Wyoming. Tuesday through Friday...The combination of gusty westerly wind, daytime highs at or above seasonal normals, and low relative humidity will continue to produce elevated to perhaps critical fire weather conditions across portions of southwest and central Wyoming. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$