Severe Thunderstorm Warning for Dewey, Potter, Sully Counties SD
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NWS Aberdeen has issued a Severe Thunderstorm Warning for parts of north central South Dakota until 12:45 AM CDT August 30.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- North Central South Dakota
- Issued
- August 30, 2026
- Issuing authority
- NWS Aberdeen 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
Severe Thunderstorm Warning issued by NWS Aberdeen SD. Effective from 11:45 PM CDT August 29 until 12:45 AM CDT August 30. The alert is classified as Severe with Immediate urgency and Observed certainty.
Affected Areas
North Central Sully County, Southeastern Dewey County, and Southwestern Potter County in north central South Dakota. The storm was located 9 miles southeast of Ridgeview or 26 miles east of Eagle Butte at issuance.
What You Should Do
Seek shelter now inside an interior room on the lowest floor of a well-built structure. Report severe weather to the nearest law enforcement agency or NWS Aberdeen SD.
Expected Conditions
Baseball size hail (2.75 inches) and 60 mph wind gusts. The storm is moving east at 25 mph and is described as destructive for southeast Dewey County. Impacts include potential shattered windows, extensive damage to roofs, siding, and vehicles. People and animals outdoors will be severely injured.
Timeline
The warning is in effect from 11:45 PM CDT August 29 through 12:45 AM CDT August 30. The storm will be near Swiftbird Day School around 12:20 AM CDT and Swiftbird and Sutton Bay Rec Area around 12:25 AM CDT. Other impacted locations include Lake Oahe.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,233 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 30, 2026.
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