Wyoming Moderate Special Weather Statement | Effective 09/17/2026 15:45

Headline: 
Special Weather Statement issued September 17 at 4:45PM MDT by NWS Riverton WY
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
September 17, 2026 - 3:45pm
Expires: 
September 17, 2026 - 4:15pm
Description: 
At 444 PM MDT, Doppler radar was tracking a strong thunderstorm 13 miles southwest of Boars Tusk, which is 18 miles northwest of Rock Springs, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 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. Locations impacted include... Boars Tusk and Killpecker Dune Field.
Instruction: 
If outdoors, consider seeking shelter inside a building. Heavy rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.
Area Description: 
Green Mountains and Rattlesnake Range; Rock Springs and Green River; East Sweetwater County
Forcast Office: 
NWS Riverton WY
Sender: 
w-nws.webmaster@noaa.gov