Iowa, Minnesota, South Dakota Severe Severe Thunderstorm Warning | Effective 09/01/2026 20:16

Headline: 
Severe Thunderstorm Warning issued September 1 at 10:16PM CDT until September 1 at 10:45PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 1, 2026 - 8:16pm
Expires: 
September 1, 2026 - 8:45pm
Description: 
At 1016 PM CDT, severe thunderstorms were located along a line extending from near Hills to near George to Hospers, moving northeast at 45 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Public. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. These severe storms will be near... Sheldon, Rock Rapids, George, Hospers, Ellsworth, Little Rock, Ashton, Archer, and Matlock around 1020 PM CDT. Other locations in the path of these severe thunderstorms include Luverne, Sibley, Sanborn, Adrian, Melvin and Rushmore.
Instruction: 
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows. To report severe weather contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Sioux Falls.
Area Description: 
Lyon, IA; O'Brien, IA; Osceola, IA; Sioux, IA; Nobles, MN; Rock, MN; Lincoln, SD
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov