Severe Thunderstorm Warning 100, NWS Sioux Falls, SD

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Hazardous Weather Outlook
National Weather Service Sioux Falls SD
344 AM CDT Thu Jun 4 2026

MNZ071-072-080-081-097-SDZ038>040-050-052>065-068-050845-
Lincoln-Lyon-Murray-Cottonwood-Pipestone-Beadle-Kingsbury-Brookings-
Gregory-Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-
McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-Bon Homme-
344 AM CDT Thu Jun 4 2026

This Hazardous Weather Outlook is for southwest Minnesota, central
South Dakota, east central South Dakota, south central South Dakota
and southeast South Dakota.

.DAY ONE...Today and tonight.

Strong to severe thunderstorms will again be possible this afternoon
through the evening. The strongest storms may contain hail to ping
pong balls and wind gusts to 65 mph. While tornadoes are unlikely,
and isolated tornado is possible. Additionally, heavy rain will be
possible with smaller pockets of 2 to 4 inches of rain.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Hot conditions will be possible this weekend into the middle of next
week. Highs in the 90s are likely Sunday through Wednesday, with
Monday possibly remaining in the 80s.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-SDZ066-
067-069>071-050845-
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Nobles-Jackson-Rock-Dixon-Dakota-Turner-
Lincoln-Yankton-Union-
344 AM CDT Thu Jun 4 2026

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska and southeast South
Dakota.

.DAY ONE...Today and tonight.

Scattered showers and thunderstorms will be possible throughout the
day into tonight. While severe weather is not expected, an isolated
storm could produce hail to the size of half dollars and wind gusts
to 60 mph.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

While confidence is low a few severe storms will also be possible on
Friday.

Hot conditions will be possible this weekend into the middle of next
week. Highs in the 90s are likely Sunday through Wednesday, with
Monday possibly remaining in the 80s.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

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Preliminary Local Storm Report...Summary
National Weather Service Sioux Falls SD
1231 PM CDT Thu Jun 4 2026

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

1014 PM     Tstm Wnd Gst     5 SW Winfred            43.94N 97.42W
06/03/2026  M59 MPH          Miner              SD   Mesonet

            Personal Weather Station.

0920 PM     Tstm Wnd Gst     1 WNW Mount Vernon      43.72N 98.28W
06/03/2026  M66 MPH          Davison            SD   Mesonet

            Mesonet station VNMS2 Mount Vernon (SD
            Mesonet).

0705 PM     Hail             5 S Chamberlain         43.74N 99.31W
06/03/2026  E0.70 Inch       Brule              SD   CO-OP Observer

            Ongoing heavy rain and pea to dime sized
            hail.

0835 PM     Tstm Wnd Gst     15 WNW Platte           43.50N 99.09W
06/03/2026  M58 MPH          Brule              SD   Mesonet

            Mesonet station ACMS2 Academy 3NNW (SD
            Mesonet).

0540 PM     Hail             2 SSE Wessington        44.42N 98.69W
06/03/2026  E1.50 Inch       Beadle             SD   CO-OP Observer

            Pea to ping pong ball sized hail. Time
            estimated by radar.

0634 PM     Hail             4 NE Broadland          44.53N 98.28W
06/03/2026  M1.00 Inch       Beadle             SD   Public

0640 PM     Hail             7 NE Broadland          44.57N 98.27W
06/03/2026  M1.25 Inch       Beadle             SD   Public

0643 PM     Hail             8 ESE Hitchcock         44.59N 98.25W
06/03/2026  M0.88 Inch       Beadle             SD   Public

0830 PM     Hail             1 ESE Cavour            44.37N 98.03W
06/03/2026  E1.25 Inch       Beadle             SD   Public

            Hail a bit larger than quarters along with
            heavy rain. Exact location estimated by
            radar.

0855 PM     Tstm Wnd Gst     1 ENE White Lake        43.73N 98.69W
06/03/2026  M69 MPH          Aurora             SD   Mesonet

            Mesonet station WTES2 White Lake (SD
            Mesonet).

0859 PM     Tstm Wnd Gst     5 W Plankinton          43.71N 98.58W
06/03/2026  M58 MPH          Aurora             SD   Mesonet

            Mesonet station 214 SD RWIS Plankinton.

&&

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
219 PM CDT Thu Jun 4 2026

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

0219 PM     Hail             7 NNE Huron             44.46N 98.17W
06/04/2026  M0.88 Inch       Beadle             SD   Trained Spotter

&&

JC

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
233 PM CDT Thu Jun 4 2026

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

0227 PM     Hail             3 WNW Yale              44.45N 98.04W
06/04/2026  M0.70 Inch       Beadle             SD   Trained Spotter

            Torrential rain and mainly pea size hail,
            but some as large as dimes.

&&

JC