


Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
208 FLUS45 KRIW 161734 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 1134 AM MDT Mon Jun 16 2025 WYZ001>020-022>030-171300- 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- 1134 AM MDT Mon Jun 16 2025 This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...This Afternoon and Tonight. Scattered thunderstorms, some possibly strong to severe, occur between 2 PM and 8 PM. The greatest potential for strong outflow wind and hail is in and around the Bighorn Basin and Johnson County. Low relative humidity and a breezy westerly wind will create elevated to critical fire weather conditions across southern Wyoming. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Tuesday...Isolated to scattered thunderstorms, mainly along and east of the Continental Divide during the afternoon. Thursday through Saturday...Gusty westerly wind, low relative humidity, and temperatures 10 to 15 degrees above normal combine to generate elevated to critical fire weather conditions across southern Wyoming. Much above normal temperatures across the entire region each day. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$