Alert archive / South Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 52, NWS Aberdeen, SD

June 8, 20266 counties in South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 8, 2026, 2:01 AM CDT for 6 counties in South Dakota. It was in force for 59 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 8, 2026, 2:01 AM CDT (07:01 UTC)
Expired: Jun 8, 2026, 3:00 AM CDT
In force: 59 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Campbell County, SD, Edmunds County, SD, Faulk County, SD, McPherson County, SD, Potter County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 93 km from the middle of the area, began a volume at 07:06 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 7.0 hours before the alert went out and 172 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1642 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 1959 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.9

Open this sounding in Storm Lab

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 8, 1:43 AM CDT, 18 minutes earlier.

Area forecast discussion, Jun 8, 1:43 AM CDT, 18 minutes before

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Hazardous weather outlook, Jun 7, 3:20 AM CDT, 22 hours 41 minutes before

Hazardous Weather Outlook
National Weather Service Aberdeen SD
320 AM CDT Sun Jun 7 2026

SDZ006>008-011-017>019-036-037-048-051-080830-
Brown-Marshall-Roberts-Day-Faulk-Spink-Clark-Hyde-Hand-Lyman-Buffalo-
320 AM CDT Sun Jun 7 2026

This Hazardous Weather Outlook is for central South Dakota, north
central South Dakota and northeast South Dakota.

.DAY ONE...Today and tonight.

There is a Marginal Risk, level 1/5, for severe storms tonight. Main
threats are hail, inch in diameter, and 60 mph wind gusts.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is an Enhanced Risk, level 3/5, for severe weather over
portions of north central SD and a Slight Risk, level 2/5, for severe
storms over central and northeastern SD Tuesday. All modes of severe
weather are possible. Severe storms are again possible Wednesday
James Valley and eastward.

.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.

SDZ003-080830-
Corson-
220 AM MDT Sun Jun 7 2026

This Hazardous Weather Outlook is for north central South Dakota.

.DAY ONE...Today and tonight.

There is an Enhanced Risk, level 3/5, for scattered to numerous
severe storms over the western half of Corson County this evening
into tonight. Main threats include large hail, 1 to 2+ inches in
diameter, and wind gusts of 70+ mph. A tornado or two cannot be ruled
out as well. Heavy rain that could lead to flooding is also be a
concern.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is an Enhanced risk, level 3/5, for numerous severe storms
Tuesday with all severe modes possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed. 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.

SDZ004-005-009-010-015-016-033>035-045-080830-
Campbell-McPherson-Walworth-Edmunds-Dewey-Potter-Stanley-Sully-
Hughes-Jones-
320 AM CDT Sun Jun 7 2026 /220 AM MDT Sun Jun 7 2026/

This Hazardous Weather Outlook is for central South Dakota and
north central South Dakota.

.DAY ONE...Today and tonight.

There is a Slight Risk, level 2/5, for scattered severe storms along
and west of the line from Eureka to Murdo this evening into tonight.
Main threats include large hail, one to two inches in diameter, and
wind gusts of 70+ mph. Heavy rain that could lead to flooding is also
be a concern.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is an Enhanced Risk, level 3/5, for severe storms over portions
of north central SD and a Slight Risk, level 2/5, for severe storms
over central SD Tuesday. All modes of severe weather are possible.

.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.

MNZ039-046-SDZ020>023-080830-
Traverse-Big Stone-Codington-Grant-Hamlin-Deuel-
320 AM CDT Sun Jun 7 2026

This Hazardous Weather Outlook is for west central Minnesota and
northeast South Dakota.

.DAY ONE...Today and tonight.

Showers and thunderstorms are possible late tonight into Monday
morning. While no severe weather is anticipated, pea size hail and
wind gusts of 50 mph are possible with lightning being the main
threat.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Marginal Risk, level 1/5, for severe storms Monday afternoon with the
main threats being quarter size hail and 60 mph wind gusts. There is
a Slight Risk, level 2/5, for severe storms Tuesday with all modes of
severe weather possible. Wednesday will continue with a chance of
severe weather James Valley and eastward through west central MN.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jun 8, 1:45 AM CDT, 16 minutes before

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Local storm report, Jun 8, 1:46 AM CDT, 15 minutes before

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Local storm report, Jun 8, 1:52 AM CDT, 9 minutes before

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Special weather statement, Jun 8, 1:53 AM CDT, 8 minutes before

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Local storm report, Jun 8, 1:55 AM CDT, 6 minutes before

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Local storm report, Jun 8, 2:00 AM CDT, 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 8:39 PM CDT	Severe Thunderstorm Warning	ABR	Corson	43 min
Jun 7, 10:37 PM CDT	Special Weather Statement	ABR	Corson	23 min
Jun 7, 11:49 PM CDT	Special Weather Statement	ABR	Corson, Dewey	41 min
Jun 8, 12:26 AM CDT	Severe Thunderstorm Warning	ABR	Corson, Dewey	64 min
Jun 8, 12:50 AM CDT	Special Weather Statement	ABR	Campbell	25 min
Jun 8, 1:15 AM CDT	Special Weather Statement	ABR	Campbell	30 min
Jun 8, 1:19 AM CDT	Severe Thunderstorm Warning	ABR	Campbell, Edmunds, McPherson, Walworth	26 min
Jun 8, 1:36 AM CDT	Severe Thunderstorm Warning	ABR	McPherson	39 min
Jun 8, 1:42 AM CDT	Special Weather Statement	ABR	Potter, Walworth	33 min
Jun 8, 1:53 AM CDT	Special Weather Statement	ABR	Campbell	37 min
Jun 8, 2:12 AM CDT	Special Weather Statement	ABR	Edmunds	33 min
Jun 8, 2:17 AM CDT	Special Weather Statement	ABR	Brown	43 min
Jun 8, 2:40 AM CDT	Special Weather Statement	ABR	Edmunds, Faulk	35 min
Jun 8, 2:45 AM CDT	Special Weather Statement	ABR	Brown	45 min
Jun 8, 3:14 AM CDT	Special Weather Statement	ABR	Edmunds, Faulk	31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.