Iowa, South Dakota Severe Severe Thunderstorm Warning | Effective 09/01/2026 19:44

Headline: 
Severe Thunderstorm Warning issued September 1 at 9:44PM CDT until September 1 at 10:15PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 1, 2026 - 7:44pm
Expires: 
September 1, 2026 - 8:15pm
Description: 
At 943 PM CDT, severe thunderstorms were located along a line extending from near Newton Hills State Park to near Hudson to near Craig, moving northeast at 35 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Public. At At 930 PM CDT, a 60 mph wind gust was reported 10 miles south-southeast of Alcester. 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... Ireton, Hudson, Maurice, Craig, Struble, Fairview, Newton Hills State Park, Sioux Center, Rock Valley, Orange City, Hull and Doon.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. 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; Plymouth, IA; Sioux, IA; Lincoln, SD; Union, SD
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov