Alert archive / South Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 259, NWS Aberdeen, SD

August 30, 2026Brown County, Day County, Spink County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Aug 30, 2026, 3:28 AM CDT for Brown County, Day County, Spink County, South Dakota. It was in force for 26 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 30, 2026, 3:28 AM CDT (08:28 UTC)
Expired
Aug 30, 2026, 3:54 AM CDT
In force
26 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Brown County, SD, Day County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 30 km from the middle of the area, began a volume at 08:27 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 30, 2:08 AM CDT, 1 hour 20 minutes earlier.

Area forecast discussion, Aug 30, 2:08 AM CDT, 1 hour 20 minutes before
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Hazardous weather outlook, Aug 30, 3:15 AM CDT, 13 minutes before
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In the hours before

Special weather statement, Aug 29, 9:52 PM CDT, 5 hours 36 minutes before
Special Weather Statement
National Weather Service Aberdeen SD
952 PM CDT Sat Aug 29 2026

SDZ037-300330-
Hand SD-
952 PM CDT Sat Aug 29 2026

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL HAND COUNTY UNTIL 1030
PM CDT...

At 952 PM CDT, Doppler radar was tracking a strong thunderstorm over
Ree Heights, or 11 miles west of Miller, moving east at 25 mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

The strong thunderstorm will be near...
  Ree Heights around 955 PM CDT.
  Miller around 1015 PM CDT.
  St. Lawrence around 1025 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 4448 9930 4459 9930 4465 9884 4438 9887
TIME...MOT...LOC 0252Z 273DEG 22KT 4454 9920

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

10
Local storm report, Aug 29, 10:32 PM CDT, 4 hours 56 minutes before
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Local storm report, Aug 29, 10:59 PM CDT, 4 hours 29 minutes before
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Local storm report, Aug 30, 12:54 AM CDT, 2 hours 34 minutes before
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The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 7:12 PM CDTSevere Thunderstorm Warning Considerable damage threatABRMcPherson51 min
Aug 29, 7:16 PM CDTSevere Thunderstorm Warning Considerable damage threatABRFaulk, Hand, Hyde, Potter44 min
Aug 29, 7:38 PM CDTSevere Thunderstorm WarningABRDewey34 min
Aug 29, 7:58 PM CDTSevere Thunderstorm Warning Considerable damage threatABRDewey, Potter, Walworth47 min
Aug 29, 8:07 PM CDTSevere Thunderstorm Warning Considerable damage threatABRFaulk, Hand, Hyde53 min
Aug 29, 8:42 PM CDTSpecial Weather StatementABRPotter33 min
Aug 29, 8:54 PM CDTSevere Thunderstorm WarningABRFaulk, Hand, Hyde51 min
Aug 29, 9:06 PM CDTSevere Thunderstorm WarningABRPotter, Sully27 min
Aug 29, 9:37 PM CDTSevere Thunderstorm WarningABRHand30 min
Aug 29, 9:52 PM CDTSpecial Weather StatementABRHand38 min
Aug 29, 10:03 PM CDTSevere Thunderstorm WarningABRHand57 min
Aug 29, 10:23 PM CDTSevere Thunderstorm WarningABRDewey52 min
Aug 29, 10:41 PM CDTSevere Thunderstorm WarningABRPotter, Sully36 min
Aug 29, 11:11 PM CDTSevere Thunderstorm Warning Considerable damage threatABRDewey49 min
Aug 29, 11:45 PM CDTSevere Thunderstorm Warning Destructive damage threatABRDewey, Potter, Sully60 min
Aug 30, 12:39 AM CDTSevere Thunderstorm Warning Destructive damage threatABRDewey, Potter, Sully42 min
Aug 30, 2:23 AM CDTSevere Thunderstorm WarningABRBrown, Edmunds, Faulk, Spink39 min
Aug 30, 2:45 AM CDTSevere Thunderstorm Warning Considerable damage threatABRBrown, Spink45 min
Aug 30, 5:59 PM CDTSevere Thunderstorm WarningABRCorson61 min
Aug 30, 6:55 PM CDTSevere Thunderstorm WarningABRCorson65 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.