Alert archive / South Dakota / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 241, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Aug 29, 2026, 6:30 PM CDT for Edmunds County, Potter County, Walworth County, South Dakota. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2026, 6:30 PM CDT (23:30 UTC)
- Expired
- Aug 29, 2026, 7:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Edmunds County, SD, Potter County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 105 km from the middle of the area, began a volume at 23:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 29, 2:27 PM CDT, 4 hours 3 minutes earlier.
Area forecast discussion, Aug 29, 2:27 PM CDT, 4 hours 3 minutes before
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</html>Hazardous weather outlook, Aug 29, 3:15 AM CDT, 15 hours 15 minutes before
Hazardous Weather Outlook National Weather Service Aberdeen SD 315 AM CDT Sat Aug 29 2026 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-301200- Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts- Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant- Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo- 315 AM CDT Sat Aug 29 2026 /215 AM MDT Sat Aug 29 2026/ This Hazardous Weather Outlook is for west central Minnesota, central South Dakota, north central South Dakota and northeast South Dakota. .DAY ONE...Today and tonight. A Marginal Risk for severe weather, a level 1 of 5 threat, is in place for storms late this afternoon and into the overnight hours. The best chance for showers and thunderstorms (30-60% chance) is over north central South Dakota. The main severe threats will be hail of one inch in diameter and wind gusts to 60 miles per hour. Heavy rainfall is also possible. .DAYS TWO THROUGH SEVEN...Sunday through Friday. On Sunday, another Marginal Risk is in place for the entire area during the late afternoon through overnight hours, with the best chances for showers and thunderstorms (30-60% chance) over northern South Dakota. The main severe threats will once again be hail of one inch in diameter and wind gusts to 60 miles per hour. .SPOTTER INFORMATION STATEMENT... Spotter activation may be requested. Weather spotters are encouraged to submit reports to the National Weather Service in Aberdeen. The public can submit reports on our web page, Facebook page, or our X feed. SRF
In the hours before
Local storm report, Aug 29, 3:57 PM CDT, 2 hours 33 minutes before
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</html>Local storm report, Aug 29, 5:55 PM CDT, 35 minutes before
Preliminary Local Storm Report
National Weather Service Aberdeen SD
555 PM CDT Sat Aug 29 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0550 PM Hail 9 SW Bowdle 45.37N 99.80W
08/29/2026 E1.50 Inch Walworth SD Public
Hail was a varity of sized, from pea all the
way up to ping pong ball sized.
&&
NVThe office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 10:44 PM CDT | Special Weather Statement | ABR | Hand | 31 min |
| Aug 28, 10:52 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Spink | 53 min |
| Aug 28, 11:35 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 40 min |
| Aug 28, 11:56 PM CDT | Special Weather Statement | ABR | Spink | 34 min |
| Aug 29, 12:13 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 47 min |
| Aug 29, 1:50 AM CDT | Special Weather Statement | ABR | Clark | 25 min |
| Aug 29, 2:12 AM CDT | Special Weather Statement | ABR | Hamlin | 33 min |
| Aug 29, 5:24 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Potter, Walworth | 53 min |
| Aug 29, 6:27 PM CDT | Areal Flood Warning | ABR | Edmunds, Walworth | 3 hr |
| Aug 29, 6:54 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 49 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2026Every severe thunderstorm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.