South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 20:49

Headline: 
Severe Thunderstorm Warning issued August 11 at 9:49PM MDT until August 11 at 10:45PM MDT by NWS Rapid City SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 8:49pm
Expires: 
August 11, 2026 - 9:45pm
Description: 
SVRUNR The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Northwestern Mellette County in south central South Dakota... Northeastern Jackson County in southwestern South Dakota... Southeastern Haakon County in west central South Dakota... * Until 1045 PM MDT /1145 PM CDT/. * At 949 PM MDT /1049 PM CDT/, severe thunderstorms were located along a line from 6 miles southeast of Ottumwa to over Kadoka, or along a line from 24 miles northeast of Philip to over Kadoka, moving southeast at 30 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Automated observations. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Philip, Kadoka, Midland, Belvidere, Ottumwa and Nowlin. This includes Interstate 90 in South Dakota between Mile Markers 147 and 174.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. These storms have produced widespread damaging winds and are capable of producing large hail.
Area Description: 
Haakon, SD; Jackson, SD; Mellette, SD
Forcast Office: 
NWS Rapid City SD
Sender: 
w-nws.webmaster@noaa.gov