Severe Thunderstorm Warning for Brown, Day, Marshall Counties in South Dakota
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NWS Aberdeen has issued a Severe Thunderstorm Warning for northeastern Brown, northwestern Day, and western Marshall counties until 11:15 PM CDT August 24.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northeastern South Dakota
- Issued
- August 25, 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 2026-08-24T22:46:00-05:00 until 2026-08-24T23:15:00-05:00. Alert type code: SVR.
Affected Areas
Northeastern Brown County, Northwestern Day County, and Western Marshall County in northeastern South Dakota. The storm was located near Claremont (14 miles north of Groton) at issuance and will affect Claremont and Putney around 1050 PM CDT, Newport Colony around 1055 PM CDT, Langford around 1105 PM CDT, and Pierpont around 1110 PM CDT.
What You Should Do
Seek shelter inside a well-built structure and stay away from windows.
Expected Conditions
60 mph wind gusts. Expect damage to roofs, siding, and trees. Storm moving southeast at 40 mph.
Timeline
Alert effective immediately from 10:46 PM CDT and expires at 11:15 PM CDT on August 24, 2026.
Original source: NOAA Official Notice ↗
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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 (847 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 25, 2026.
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