South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 13:57

Headline: 
Severe Thunderstorm Warning issued August 11 at 2:57PM MDT until August 11 at 3:30PM MDT by NWS Rapid City SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 1:57pm
Expires: 
August 11, 2026 - 2:30pm
Description: 
At 257 PM MDT, a severe thunderstorm was located over Rockerville, or 9 miles southwest of Rapid City, moving southeast at 20 mph. HAZARD...Tennis ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles. Locations impacted include... Rockerville, Bear Country and Reptile Gardens.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail.
Area Description: 
Pennington, SD
Forcast Office: 
NWS Rapid City SD
Sender: 
w-nws.webmaster@noaa.gov