Wyoming Moderate Special Weather Statement | Effective 09/13/2026 21:59

Headline: 
Special Weather Statement issued September 13 at 10:59PM MDT by NWS Riverton WY
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
September 13, 2026 - 9:59pm
Expires: 
September 13, 2026 - 10:30pm
Description: 
At 1058 PM MDT, Doppler radar was tracking a strong thunderstorm over Emigrant Gap, which is 12 miles west of Casper, moving northeast at 45 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. This strong thunderstorm will be near... Bar Nunn around 1105 PM MDT. Homa Hills around 1110 PM MDT. This includes Interstate 25 between mile markers 182 and 205.
Instruction: 
If outdoors, consider seeking shelter inside a building.
Area Description: 
Natrona County Lower Elevations
Forcast Office: 
NWS Riverton WY
Sender: 
w-nws.webmaster@noaa.gov