Alert archive / South Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 4, NWS Aberdeen, SD

May 31, 2026Edmunds County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 31, 2026, 4:25 PM CDT for Edmunds County, South Dakota. It was in force for 16 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: May 31, 2026, 4:25 PM CDT (21:25 UTC)
Expired: May 31, 2026, 4:41 PM CDT
In force: 16 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Edmunds County, SD

The radar

The Aberdeen radar (KABR), 63 km from the middle of the area, began a volume at 21:27 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 May 31, 2:08 PM CDT, 2 hours 17 minutes earlier.

Area forecast discussion, May 31, 2:08 PM CDT, 2 hours 17 minutes before

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Hazardous weather outlook, May 31, 1:32 PM CDT, 2 hours 53 minutes before

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In the hours before

Special weather statement, May 31, 4:12 PM CDT, 13 minutes before

Special Weather Statement
National Weather Service Aberdeen SD
412 PM CDT Sun May 31 2026

SDZ010-312145-
Edmunds SD-
412 PM CDT Sun May 31 2026

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL EDMUNDS COUNTY THROUGH
445 PM CDT...

At 411 PM CDT, Doppler radar was tracking a strong thunderstorm near
Loyalton, or 7 miles southeast of Roscoe, moving north at 15 mph.

HAZARD...Nickel size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vegetation is possible.

This storm will remain over mainly rural areas of central Edmunds
County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4532 9919 4532 9928 4547 9933 4547 9914
TIME...MOT...LOC 2111Z 180DEG 14KT 4537 9924

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...<30 MPH

20

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 11:41 PM CDT	Special Weather Statement	ABR	Stanley	49 min
May 31, 12:06 AM CDT	Special Weather Statement	ABR	Lyman	39 min
May 31, 12:48 AM CDT	Special Weather Statement	ABR	Buffalo, Hand, Hyde	42 min
May 31, 1:25 AM CDT	Special Weather Statement	ABR	Faulk, Hand	50 min
May 31, 4:12 PM CDT	Special Weather Statement	ABR	Edmunds	33 min
May 31, 5:15 PM CDT	Severe Thunderstorm Warning	ABR	McPherson	29 min
May 31, 5:33 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds, McPherson	57 min
May 31, 6:08 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds, McPherson	52 min
May 31, 6:30 PM CDT	Severe Thunderstorm Warning	ABR	McPherson	45 min
May 31, 6:43 PM CDT	Areal Flood Warning	ABR	McPherson	3 hr

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.