Iowa, South Dakota Severe Severe Thunderstorm Warning | Effective 09/07/2026 21:57

Headline: 
Severe Thunderstorm Warning issued September 7 at 11:57PM CDT until September 8 at 12:30AM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 7, 2026 - 9:57pm
Expires: 
September 7, 2026 - 10:30pm
Description: 
At 1157 PM CDT, a severe thunderstorm was located near Inwood, or 8 miles northeast of Canton, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of western Lyon, northwestern Sioux, southeastern Minnehaha and eastern Lincoln Counties.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Lyon, IA; Sioux, IA; Lincoln, SD; Minnehaha, SD
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov