South Dakota Severe Severe Thunderstorm Warning | Effective 09/01/2026 14:33

Headline: 
Severe Thunderstorm Warning issued September 1 at 4:33PM CDT until September 1 at 5:00PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 1, 2026 - 2:33pm
Expires: 
September 1, 2026 - 3:00pm
Description: 
At 432 PM CDT, a severe thunderstorm was located near Bonesteel, or 13 miles northwest of Spencer, moving northeast at 30 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of central Charles Mix and southeastern Gregory Counties, including the following locations... Fairfax.
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: 
Charles Mix, SD; Gregory, SD
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov