South Dakota Special Weather Statement | Effective 05/21/2026 13:36

Headline: 
Special Weather Statement issued May 21 at 2:36PM MDT by NWS Rapid City SD
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
May 21, 2026 - 1:36pm
Expires: 
May 21, 2026 - 2:00pm
Description: 
At 235 PM MDT, Doppler radar was tracking a strong thunderstorm near Delta 1 Launch Facility, or 21 miles southwest of Philip, moving northeast at 10 mph. HAZARD...Wind gusts up to 40 mph and penny size 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... Cottonwood and Delta 1 Launch Facility. This includes Interstate 90 in South Dakota between Mile Markers 119 and 130.
Instruction: 
If outdoors, consider seeking shelter inside a building.
Area Description: 
Pennington Co Plains; Haakon; Northern Jackson
Forcast Office: 
NWS Rapid City SD