Alert archive / South Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 178, NWS Aberdeen, SD

July 25, 2026Corson County, Dewey County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 25, 2026, 5:41 PM MDT for Corson County, Dewey County, South Dakota. It was in force for 49 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
Jul 25, 2026, 5:41 PM MDT (23:41 UTC)
Expired
Jul 25, 2026, 6:30 PM MDT
In force
49 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.0 in
Wind
70.0 mph

Counties Corson County, SD, Dewey County, SD

The radar

The Bismarck radar (KBIS), 150 km from the middle of the area, began a volume at 23:41 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 25, 2:36 PM MDTSevere Thunderstorm Watch PDSSPC7 hr

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 6:28 PM MDTSevere Thunderstorm WarningABRBrown, McPherson47 min
Jul 24, 7:10 PM MDTSevere Thunderstorm WarningABRBrown, McPherson50 min
Jul 24, 7:44 PM MDTSevere Thunderstorm WarningABRBrown, Clark, Day, Spink46 min
Jul 24, 8:01 PM MDTSevere Thunderstorm WarningABRBrown, McPherson44 min
Jul 24, 8:35 PM MDTSevere Thunderstorm Warning Considerable damage threatABRBrown40 min
Jul 24, 9:00 PM MDTSevere Thunderstorm WarningABRBrown, Day, Spink30 min
Jul 24, 9:34 PM MDTSpecial Weather StatementABRClark26 min
Jul 24, 9:56 PM MDTSpecial Weather StatementABRClark34 min
Jul 25, 6:29 AM MDTDense Fog AdvisoryABRBrown3 hr
Jul 25, 1:16 PM MDTSpecial Weather StatementABRJones44 min
Jul 25, 1:54 PM MDTSpecial Weather StatementABRJones36 min
Jul 25, 2:16 PM MDTSevere Thunderstorm Warning Considerable damage threatABRJones, Lyman, Stanley44 min
Jul 25, 2:28 PM MDTSpecial Weather StatementABRJones32 min
Jul 25, 2:40 PM MDTSpecial Weather StatementABRStanley35 min
Jul 25, 2:48 PM MDTSevere Thunderstorm Warning Considerable damage threatABRJones, Lyman, Stanley42 min
Jul 25, 3:04 PM MDTSevere Thunderstorm Warning Considerable damage threatABRHughes, Jones, Stanley41 min
Jul 25, 3:41 PM MDTSevere Thunderstorm Warning Considerable damage threatABRHughes, Hyde, Sully49 min
Jul 25, 4:22 PM MDTSevere Thunderstorm WarningABRLyman23 min
Jul 25, 4:28 PM MDTSevere Thunderstorm Warning Considerable damage threatABRHand, Hughes, Hyde, Sully47 min
Jul 25, 4:55 PM MDTSevere Thunderstorm Warning Considerable damage threatABRDewey50 min
Jul 25, 5:12 PM MDTSpecial Weather StatementABRDewey48 min
Jul 25, 5:15 PM MDTSevere Thunderstorm WarningABRBuffalo, Hand, Hyde45 min
Jul 25, 5:21 PM MDTSevere Thunderstorm Warning Considerable damage threatABRDewey, Potter, Stanley, Sully39 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.