Wyoming Moderate Special Weather Statement | Effective 08/18/2026 17:46

Headline: 
Special Weather Statement issued August 18 at 6:46PM MDT by NWS Riverton WY
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
August 18, 2026 - 5:46pm
Expires: 
August 18, 2026 - 6:15pm
Description: 
At 646 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles east of Lucerne, which is 14 miles east of Thermopolis, moving southeast at 40 mph. HAZARD...Wind gusts of 50 to 55 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of southeastern Hot Springs and southeastern Washakie Counties.
Instruction: 
If outdoors, consider seeking shelter inside a building.
Area Description: 
Southwest Bighorn Basin; Southeast Bighorn Basin; Owl Creek and Bridger Mountains; Bighorn Mountains West
Forcast Office: 
NWS Riverton WY
Sender: 
w-nws.webmaster@noaa.gov