Alert archive / South Dakota / Mesoscale Discussions in 2026

Mesoscale Discussion 977

June 4, 202617 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 4, 2026, 1:26 PM CDT for 17 counties in South Dakota. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: Jun 4, 2026, 1:26 PM CDT (18:26 UTC)
Expired: Jun 4, 2026, 3:00 PM CDT
In force: 94 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

Counties Aurora County, SD, Beadle County, SD, Brule County, SD, Buffalo County, SD, Clark County, SD, Codington County, SD, Davison County, SD, Hamlin County, SD, Hand County, SD, Hanson County, SD, Hyde County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Miner County, SD, Sanborn County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 126 km from the middle of the area, began a volume at 18:27 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 273Jun 4, 5:25 PM CDT

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 3, 8:09 PM CDT	Mesoscale Discussion	SPC	Aurora, Brule, Charles Mix, Davison, Douglas, Gregory and 4 more	96 min
Jun 3, 8:37 PM CDT	Mesoscale Discussion	SPC	Brookings, Codington, Deuel, Grant, Hamlin, Kingsbury and 1 more	83 min
Jun 4, 2:32 PM CDT	Mesoscale Discussion	SPC	Butte, Custer, Fall River, Harding, Lawrence, Meade and 3 more	88 min
Jun 4, 3:04 PM CDT	Severe Thunderstorm Watch	SPC	Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more	7 hr
Jun 4, 3:12 PM CDT	Mesoscale Discussion	SPC	Aurora, Beadle, Brookings, Brule, Buffalo, Charles Mix and 21 more	93 min
Jun 4, 5:25 PM CDT	Severe Thunderstorm Watch	SPC	Aurora, Beadle, Brookings, Brule, Buffalo, Charles Mix and 27 more	8 hr
Jun 4, 5:46 PM CDT	Mesoscale Discussion	SPC	Butte, Custer, Harding, Lawrence, Meade, Pennington and 1 more	89 min

Nearby

Mesoscale Discussions in South Dakota, 2026 Every mesoscale discussion 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.