Alert archive / South Dakota / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 129, NWS Sioux Falls, SD

July 7, 2025Beadle County, Sanborn County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 7, 2025, 3:01 PM CDT for Beadle County, Sanborn County, South Dakota. It was in force for 44 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
Jul 7, 2025, 3:01 PM CDT (20:01 UTC)
Expired
Jul 7, 2025, 3:45 PM CDT
In force
44 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Beadle County, SD, Sanborn County, SD

The radar

The Sioux Falls radar (KFSD), 136 km from the middle of the area, began a volume at 20:01 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

Aberdeen, SD (KABR), launched 12:00Z, 8.0 hours before the alert went out and 78 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-pSkew-T log-p diagram, Aberdeen, SD at 12:00Z on 2025-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 243 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2025-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
243 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1168 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
160 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 Sioux Falls, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 7, 2:18 PM CDT, 43 minutes earlier.

Area forecast discussion, Jul 7, 2:18 PM CDT, 43 minutes before
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Hazardous weather outlook, Jul 7, 2:42 PM CDT, 19 minutes before
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
242 PM CDT Mon Jul 7 2025

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ039-040-050-053>056-058>071-081945-
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Kingsbury-Brookings-Gregory-Sanborn-
Miner-Lake-Moody-Aurora-Davison-Hanson-McCook-Minnehaha-Charles Mix-
Douglas-Hutchinson-Turner-Bon Homme-Yankton-Union-
242 PM CDT Mon Jul 7 2025

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

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms will continue to develop west of the James
River valley through 4pm. These storms will then slowly track to the
east and southeast into the evening.  Stronger storms will be
capable of producing up to 2 inch hail in their initial development
stage. As storms move east, pockets of damaging winds up to 70 mph
may develop, mainly south of Interstate 90 towards the Missouri
River. The tornadic risk remains low. Storms should gradually weaken
after 10pm and leave the area.

Patchy fog may be possible through daybreak Tuesday.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered storms will again be possible late Wednesday and again on
Thursday. Severe weather will be possible, so begin monitoring your
local forecast.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed between 3pm and 8pm this evening.
Continue monitoring for potential watches or warnings.

SDZ038-052-057-081945-
Beadle-Jerauld-Brule-
242 PM CDT Mon Jul 7 2025

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

.DAY ONE...This afternoon and tonight.

Scattered showers and thunderstorms will form near the outlook area
and begin to track east this evening. The severe weather risk is
likely to remain focused along and east of a line from Huron to
Gregory.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered storms will again be possible late Wednesday and again on
Thursday. Severe weather will be possible, so begin monitoring your
local forecast.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 3:20 PM CDTSevere Thunderstorm WarningFSDAurora, Jerauld, Sanborn40 min
Jul 7, 3:49 PM CDTSevere Thunderstorm WarningFSDBrule, Charles Mix, Gregory41 min
Jul 7, 3:59 PM CDTSevere Thunderstorm WarningFSDCharles Mix, Gregory46 min
Jul 7, 4:10 PM CDTSevere Thunderstorm Warning Considerable damage threatFSDLake, McCook, Miner26 min
Jul 7, 4:46 PM CDTSevere Thunderstorm WarningFSDCharles Mix44 min
Jul 7, 5:23 PM CDTSevere Thunderstorm WarningFSDHutchinson, McCook, Turner52 min
Jul 7, 5:30 PM CDTSevere Thunderstorm WarningFSDBon Homme, Yankton45 min
Jul 7, 5:35 PM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix40 min
Jul 7, 5:49 PM CDTSevere Thunderstorm WarningFSDHutchinson, Turner41 min
Jul 7, 6:06 PM CDTSevere Thunderstorm WarningFSDYankton39 min
Jul 7, 6:15 PM CDTTornado WarningFSDYankton30 min
Jul 7, 6:27 PM CDTSevere Thunderstorm WarningFSDClay, Lincoln, Turner63 min
Jul 7, 6:44 PM CDTSevere Thunderstorm Warning Considerable damage threatFSDYankton35 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2025Every severe thunderstorm warning in 2025

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.