South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 19:20

Headline: 
Severe Thunderstorm Warning issued August 11 at 9:20PM CDT until August 11 at 9:45PM CDT by NWS Aberdeen SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 7:20pm
Expires: 
August 11, 2026 - 7:45pm
Description: 
At 820 PM MDT, a severe thunderstorm was located 7 miles south of Morristown, or 31 miles west of Bullhead, moving southeast at 25 mph. THIS IS A DESTRUCTIVE STORM FOR FOR AREAS JUST SOUTH OF KELDRON AND MORRISTOWN. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. This severe thunderstorm will be near... Morristown and Keldron around 820 PM MDT.
Instruction: 
Seek shelter now inside an interior room on the lowest floor of a well-built structure. This storm is capable of producing destructive hail and damaging winds. Report severe weather to your nearest law enforcement agency or the National Weather Service office in Aberdeen SD.
Area Description: 
Corson, SD
Forcast Office: 
NWS Aberdeen SD
Sender: 
w-nws.webmaster@noaa.gov