Severe Thunderstorm Warning for North Central South Dakota Counties
This alert is no longer in effect.
NOAA issued it on August 9, 2026, 2 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Aberdeen has issued a Severe Thunderstorm Warning for parts of Campbell, Edmunds, McPherson and Walworth counties until 2:15 AM CDT August 9.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- North Central South Dakota
- Issued
- August 9, 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: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in North Central South Dakota.
Alert Details
A Severe Thunderstorm Warning was issued by NWS Aberdeen SD on behalf of NOAA. The alert is effective from August 9 at 1:27 AM CDT until August 9 at 2:15 AM CDT.
Affected Areas
The warning covers southeastern Campbell County, northwestern Edmunds County, southwestern McPherson County, and northeastern Walworth County in north central South Dakota. Locations impacted include Mound City.
What You Should Do
Seek shelter inside a well-built structure and stay away from windows. Do not drive your vehicle through flooded roadways.
Expected Conditions
At 1:27 AM CDT, a severe thunderstorm was located over Mound City, or 7 miles south of Herreid, moving east at 25 mph. Hazards include ping pong ball size hail (1.50 inches) and 60 mph wind gusts. Torrential rainfall is also occurring and may lead to flash flooding.
Timeline
The warning is in effect until 2:15 AM CDT on August 9, 2026.
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 (921 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 9, 2026.
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