Severe Thunderstorm Warning for South Dakota Counties
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NWS Sioux Falls has issued a Severe Thunderstorm Warning for parts of Bon Homme, Charles Mix, Douglas, and Hutchinson counties in South Dakota until 11:00 PM CDT.
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- Record type
- Severe Thunderstorm Warning
- Affected area
- South Dakota
- Issued
- September 8, 2026
- Issuing authority
- NWS Sioux Falls SD
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Severe Thunderstorm Warning was issued by the National Weather Service in Sioux Falls SD at 10:20 PM CDT on September 7, 2026. The alert is effective from 10:20 PM CDT until 11:00 PM CDT on September 7, 2026.
Affected Areas
The warning covers southeastern Charles Mix County, Bon Homme County, southeastern Douglas County, and southwestern Hutchinson County in South Dakota.
What You Should Do
For your protection, move to an interior room on the lowest floor of a building.
Expected Conditions
At 10:20 PM CDT, severe thunderstorms were located along a line extending from near Delmont to near Dante to 7 miles south of Avon, moving east at 25 mph. Hazards include 60 mph wind gusts with potential damage to roofs, siding, and trees. Hail up to 0.75 inches is possible.
Timeline
The warning is in effect until 11:00 PM CDT on September 7, 2026. Severe thunderstorms will be near Tripp and Avon around 10:25 PM CDT, Tyndall around 10:35 PM CDT, and Kaylor around 10:40 PM CDT.
Original source: NOAA Official Notice ↗
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Similar body length
Nearest notices by article body length (1,011 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 8, 2026.
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