Hazardous Weather Outlook
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
110 FLUS45 KRIW 151906 HWORIW Hazardous Weather Outlook National Weather Service Riverton WY 106 PM MDT Tue Jul 15 2025 WYZ001>020-022>030-161300- 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- 106 PM MDT Tue Jul 15 2025 This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...This Afternoon and Tonight. Widespread to numerous thunderstorms develop by mid-afternoon and continue through the evening, especially east of the Continental Divide. Strong to severe thunderstorms will be capable of 60 mph wind gusts, one-half to one inch diameter hail, and periods of heavy rainfall. West of the Divide, dry showers and thunderstorms will be capable of gusty outflow 40 to 60 mph through the evening. A Red Flag Warning is in effect until 8 PM for far southwest Wyoming due to low relative humidity, gusty wind, and the potential for gusty outflow wind from showers and thunderstorms. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday...A chance for afternoon and evening thunderstorms, mainly across southern Wyoming. Friday through Monday...Isolated afternoon and evening thunderstorm chances each day. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$