Alert archive / South Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 18, NWS Aberdeen, SD

June 3, 2026Dewey County, Walworth County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 3, 2026, 12:22 PM MDT for Dewey County, Walworth County, South Dakota. It was in force for 53 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: Jun 3, 2026, 12:22 PM MDT (18:22 UTC)
Expired: Jun 3, 2026, 1:15 PM MDT
In force: 53 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Dewey County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 160 km from the middle of the area, began a volume at 18:24 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 Jun 3, 11:27 AM MDT, 55 minutes earlier.

Area forecast discussion, Jun 3, 11:27 AM MDT, 55 minutes before

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Hazardous weather outlook, Jun 3, 2:13 AM MDT, 10 hours 9 minutes before

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In the hours before

Local storm report, Jun 3, 6:48 AM MDT, 5 hours 34 minutes before

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Local storm report, Jun 3, 7:38 AM MDT, 4 hours 44 minutes before

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Local storm report, Jun 3, 11:19 AM MDT, 1 hour 3 minutes before

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Local storm report, Jun 3, 11:45 AM MDT, 37 minutes before

Preliminary Local Storm Report
National Weather Service Aberdeen SD
1245 PM CDT Wed Jun 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1244 PM     Rain             7 NNW Stephan           44.35N 99.50W
06/03/2026  M5.00 Inch       Hyde               SD   Emergency Mngr

            24 hour rainfall report, with most of that
            falling in approximately 2 hours.

1243 PM     Rain             6 SSE Highmore          44.44N 99.40W
06/03/2026  M3.00 Inch       Hyde               SD   Emergency Mngr

            24 hour rainfall report, with most of that
            falling in approximately 2 hours.

1238 PM     Rain             2 SW Harrold            44.51N 99.76W
06/03/2026  E3.00 Inch       Hughes             SD   Public

            Estimated around 3 inches of rain in the
            past 24 hours.

1232 PM     Rain             Harrold                 44.52N 99.74W
06/03/2026  M2.50 Inch       Hughes             SD   Public

            Rainfall over the past 24 hours.

&&

Local storm report, Jun 3, 12:14 PM MDT, 8 minutes before

Preliminary Local Storm Report
National Weather Service Aberdeen SD
114 PM CDT Wed Jun 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1254 PM     Hail             3 NE Green Grass        45.19N 101.19W
06/03/2026  M1.00 Inch       Dewey              SD   Public

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 6:43 PM MDT	Special Weather Statement	ABR	Hughes	32 min
Jun 2, 7:19 PM MDT	Special Weather Statement	ABR	Hughes	26 min
Jun 2, 9:19 PM MDT	Special Weather Statement	ABR	Hughes	26 min
Jun 2, 9:32 PM MDT	Special Weather Statement	ABR	Lyman	28 min
Jun 2, 9:43 PM MDT	Severe Thunderstorm Warning	ABR	Buffalo, Lyman	27 min
Jun 2, 9:45 PM MDT	Severe Thunderstorm Warning	ABR	Hughes, Hyde	45 min
Jun 2, 10:36 PM MDT	Areal Flood Warning	ABR	Hughes, Hyde	6 hr
Jun 3, 11:48 AM MDT	Severe Thunderstorm Warning	ABR	Dewey	42 min
Jun 3, 4:00 PM MDT	Severe Thunderstorm Warning	ABR	Jones	45 min
Jun 3, 4:40 PM MDT	Severe Thunderstorm Warning	ABR	Jones, Lyman	50 min
Jun 3, 5:26 PM MDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Brown, Marshall	49 min
Jun 3, 5:29 PM MDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Lyman	46 min
Jun 3, 5:46 PM MDT	Severe Thunderstorm Warning	ABR	Jones, Lyman	28 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2026 Every 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.