Hail and Damaging Winds in South Dakota, August 13, 2025

Name: Hail and Damaging Winds in South Dakota, August 13, 2025
Start: 2025-08-13T15:15
End: 2025-08-13T20:58
Location: South Dakota

August 13, 2025 · NWS UNR · 55 events in 14 counties and zones

A squall line developed during and brought severe wind gusts across western SD.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 55

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS UNR wrote it up.

A squall line developed during and brought severe wind gusts across western SD.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Rapid City, SD wrote its last area forecast discussion before the first event at Aug 13, 1:11 PM MST, 2 hours 4 minutes earlier.

Area forecast discussion, Aug 13, 1:11 PM MST, 2 hours 4 minutes before

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Hazardous weather outlook, Aug 13, 3:54 AM MST, 11 hours 21 minutes before

Hazardous Weather Outlook
National Weather Service Rapid City SD
454 AM MDT Wed Aug 13 2025

SDZ001-002-027-029-041-075-WYZ054>060-141300-
Harding-Northern Perkins-Southern Foothills-Southern Black Hills-
Western Fall River-Eastern Fall River-Northern Campbell-
Southern Campbell-Western Crook-Wyoming Black Hills-
Weston County Plains-Newcastle-Northeastern Crook-
454 AM MDT Wed Aug 13 2025

This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.

.DAY ONE...Today and Tonight

There is a marginal risk (level 1 of 5) of severe thunderstorms
today between about 300 PM and 700 PM, meaning that isolated
severe storms are possible. Primary hazards include damaging
winds, but large hail is also possible.

Due to minimum relative humidities in the teens and westerly winds
at 10-20 mph, elevated to near-critical fire weather conditions
are expected this afternoon over far southwestern South Dakota and
parts of northeastern Wyoming, generally south of Newcastle and
Gillette.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Isolated strong to severe thunderstorms may occur Friday afternoon
and evening. The primary hazards will be large hail and damaging
winds.

Due to minimum relative humidities in the teens and northwesterly
winds at 10-20 mph, elevated to near-critical fire weather
conditions are expected Thursday afternoon over far southwestern
South Dakota and parts of northeastern Wyoming, generally south of
Newcastle and Gillette.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

SDZ012>014-024>026-028-030>032-042>044-046-047-049-072>074-
076>078-141300-
Butte-Northern Meade Co Plains-Ziebach-Northern Black Hills-
Northern Foothills-Rapid City-Central Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-
Northern Oglala Lakota-Northern Jackson-Bennett-Mellette-Todd-
Tripp-Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Hermosa Foothills-Southern Oglala Lakota-Southern Jackson-
Southern Perkins-
454 AM MDT Wed Aug 13 2025 /554 AM CDT Wed Aug 13 2025/

This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.

.DAY ONE...Today and Tonight

There is a slight risk (level 2 of 5) of severe thunderstorms
today between about 300 PM and 1000 PM, meaning that scattered
severe storms are possible. Primary hazards include damaging
winds, but large hail is also possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Isolated strong to severe thunderstorms are possible Thursday
evening and Friday afternoon and evening. The primary hazards
will be large hail and damaging winds.

The heat index may reach 100 degrees Thursday afternoon over
south-central South Dakota.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

In the hours before

Local storm report, Aug 13, 2:55 PM MST, 20 minutes before

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Local storm report, Aug 13, 2:58 PM MST, 17 minutes before

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Local storm report, Aug 13, 3:08 PM MST, 7 minutes before

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Special weather statement, Aug 13, 3:09 PM MST, 6 minutes before

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Special weather statement, Aug 13, 3:10 PM MST, 5 minutes before

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Local storm report, Aug 13, 3:13 PM MST, 2 minutes before

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The radar

The Rapid City radar (KUDX), 87 km away, was scanning. The volume nearest the first event began at 22:16 UTC.

Open the radar archive at this moment

Event by event

54 thunderstorm wind, 1 hail. Local standard time, as filed.

Thunderstorm Wind, Lawrence

When: August 13, 3:15 PM MST
Where: Lawrence County, 2.41 mi SW of Spearfish Arpt
Measured: 52 kt (60 mph) measured gust
Reported by: Mesonet
Coordinates: 44.460, -103.820

Wind gust estimated based on radar.

Thunderstorm Wind, Fall River

When: August 13, 3:24 PM MST
Where: Fall River County, 9.55 mi W of Edgemont
Measured: 52 kt (60 mph) measured gust
Reported by: Mesonet
Coordinates: 43.300, -104.020

SD Mesonet recorded wind gust.

Thunderstorm Wind, Butte

When: August 13, 3:24 PM MST
Where: Butte County, 11.77 mi WSW of Castle Rock
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 44.920, -103.660

SD Mesonet recorded wind gust.

Thunderstorm Wind, Custer

When: August 13, 3:27 PM MST
Where: Custer County, 4.06 mi WSW of (Cut)custer Co Arpt
Measured: 52 kt (60 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 43.700, -103.700

Spotter estimated wind gust.

Thunderstorm Wind, Butte

When: August 13, 3:30 PM MST
Where: Butte County, 0.85 mi NW of Nisland
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 44.680, -103.560

SD Mesonet recorded wind gust.

Thunderstorm Wind, Meade

When: August 13, 3:35 PM MST
Where: Meade County, 0.99 mi E of Sturgis Muni Arpt
Measured: 51 kt (59 mph) measured gust
Reported by: AWOS
Coordinates: 44.420, -103.380

AWOS recorded wind gust.

Thunderstorm Wind, Meade

When: August 13, 3:38 PM MST
Where: Meade County, Piedmont
Measured: 52 kt (60 mph) estimated gust
Reported by: NWS Employee
Coordinates: 44.230, -103.390

NWS employee reported wind gust.

Thunderstorm Wind, Meade

When: August 13, 3:52 PM MST
Where: Meade County, 0.69 mi N of Ellsworth Afb
Measured: 51 kt (59 mph) measured gust
Reported by: Other Federal Agency
Coordinates: 44.160, -103.100

Estimated wind gust.

Thunderstorm Wind, Harding

When: August 13, 3:55 PM MST
Where: Harding County, 3.45 mi N of Redig
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 45.320, -103.550

SD Mesonet recorded wind gust.

Thunderstorm Wind, Meade

When: August 13, 3:58 PM MST
Where: Meade County, 0.69 mi N of Ellsworth Afb
Measured: 55 kt (63 mph) measured gust
Reported by: Other Federal Agency
Coordinates: 44.160, -103.100

Estimated wind gust report.

Thunderstorm Wind, Pennington

When: August 13, 3:59 PM MST
Where: Pennington County, 0.85 mi SE of (Rca)ellsworth Afb
Measured: 53 kt (61 mph) measured gust
Reported by: Mesonet
Coordinates: 44.120, -103.090

SD Mesonet recorded wind gust.

Thunderstorm Wind, Meade

When: August 13, 4:00 PM MST
Where: Meade County, 0.69 mi N of Ellsworth Afb
Measured: 55 kt (63 mph) measured gust
Reported by: Other Federal Agency
Coordinates: 44.160, -103.100

Estimated wind gust report.

Thunderstorm Wind, Meade

When: August 13, 4:05 PM MST
Where: Meade County, 6 mi SW of Fairpoint
Measured: 60 kt (69 mph) measured gust
Reported by: Mesonet
Coordinates: 44.700, -102.900

SD Mesonet recorded wind gust.

Hail, Custer

When: August 13, 4:06 PM MST
Where: Custer County, 0.69 mi N of Wind Cave
Measured: 0.75 in hail
Reported by: Public
Coordinates: 43.560, -103.480

Report through mping.

Thunderstorm Wind, Meade

When: August 13, 4:14 PM MST
Where: Meade County, 2.46 mi W of Union Center
Measured: 54 kt (62 mph) measured gust
Reported by: Mesonet
Coordinates: 44.560, -102.720

SD Mesonet recorded wind gust.

Thunderstorm Wind, Meade

When: August 13, 4:15 PM MST
Where: Meade County, 11.23 mi S of Hereford
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 44.230, -102.830

SD Mesonet recorded wind gust.

Thunderstorm Wind, Pennington

When: August 13, 4:31 PM MST
Where: Pennington County, 3.23 mi NW of Wasta
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 44.100, -102.500

SD Mesonet recorded wind gust.

Thunderstorm Wind, Meade

When: August 13, 4:35 PM MST
Where: Meade County, 1.98 mi E of Elm Springs
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 44.310, -102.490

SD Mesonet recorded wind gust.

Thunderstorm Wind, Harding

When: August 13, 4:35 PM MST
Where: Harding County, 10.37 mi WSW of Reva
Measured: 54 kt (62 mph) measured gust
Reported by: Mesonet
Coordinates: 45.520, -103.290

SD Mesonet recorded wind gust.

Thunderstorm Wind, Pennington

When: August 13, 4:51 PM MST
Where: Pennington County, 3.23 mi NW of Wasta
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 44.100, -102.500

SD Mesonet recorded wind gust.

Thunderstorm Wind, Meade

When: August 13, 5:00 PM MST
Where: Meade County, Howes
Measured: 58 kt (67 mph) measured gust
Reported by: Mesonet
Coordinates: 44.620, -102.050

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:03 PM MST
Where: Jackson County, 5.47 mi W of Cottonwood
Measured: 55 kt (63 mph) measured gust
Reported by: Mesonet
Coordinates: 43.970, -102.010

Thunderstorm Wind, Pennington

When: August 13, 5:05 PM MST
Where: Pennington County, 5.66 mi ESE of Scenic
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 43.760, -102.440

SD Mesonet recorded wind gust.

Thunderstorm Wind, Harding

When: August 13, 5:11 PM MST
Where: Harding County, 7.02 mi NE of Ralph
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 45.860, -102.980

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:13 PM MST
Where: Jackson County, 5.47 mi W of Cottonwood
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 43.970, -102.010

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:16 PM MST
Where: Jackson County, 4.05 mi E of Cactus Flats
Measured: 54 kt (62 mph) measured gust
Reported by: Mesonet
Coordinates: 43.840, -101.820

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:21 PM MST
Where: Jackson County, 4.05 mi E of Cactus Flats
Measured: 61 kt (70 mph) measured gust
Reported by: Mesonet
Coordinates: 43.840, -101.820

SD Mesonet recorded wind gust.

Thunderstorm Wind, Harding

When: August 13, 5:21 PM MST
Where: Harding County, 7.02 mi NE of Ralph
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 45.860, -102.980

SD Mesonet recorded wind gust.

Thunderstorm Wind, Oglala Lakota

When: August 13, 5:28 PM MST
Where: Oglala Lakota County, 8.2 mi SW of Batesland
Measured: 58 kt (67 mph) measured gust
Reported by: Mesonet
Coordinates: 43.050, -102.220

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:30 PM MST
Where: Jackson County, 4.49 mi WNW of Kadoka
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 43.870, -101.590

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:31 PM MST
Where: Jackson County, 4.05 mi E of Cactus Flats
Measured: 60 kt (69 mph) measured gust
Reported by: Mesonet
Coordinates: 43.840, -101.820

SD Mesonet recorded wind gust.

Thunderstorm Wind, Haakon

When: August 13, 5:32 PM MST
Where: Haakon County, (Php)philip Arpt
Measured: 54 kt (62 mph) measured gust
Reported by: ASOS
Coordinates: 44.050, -101.600

ASOS measured wind gust.

Thunderstorm Wind, Oglala Lakota

When: August 13, 5:33 PM MST
Where: Oglala Lakota County, 8.2 mi SW of Batesland
Measured: 59 kt (68 mph) measured gust
Reported by: Mesonet
Coordinates: 43.050, -102.220

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:41 PM MST
Where: Jackson County, 4.05 mi E of Cactus Flats
Measured: 57 kt (66 mph) measured gust
Reported by: Mesonet
Coordinates: 43.840, -101.820

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:43 PM MST
Where: Jackson County, 7.54 mi E of Wanblee
Measured: 55 kt (63 mph) measured gust
Reported by: Mesonet
Coordinates: 43.580, -101.520

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:51 PM MST
Where: Jackson County, 4.05 mi E of Cactus Flats
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 43.840, -101.820

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 5:53 PM MST
Where: Jackson County, 7.54 mi E of Wanblee
Measured: 52 kt (60 mph) measured gust
Reported by: Mesonet
Coordinates: 43.580, -101.520

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 6:03 PM MST
Where: Jackson County, 7.54 mi E of Wanblee
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 43.580, -101.520

SD Mesonet recorded wind gust.

Thunderstorm Wind, Haakon

When: August 13, 6:10 PM MST
Where: Haakon County, 0.85 mi NE of Midland
Measured: 53 kt (61 mph) measured gust
Reported by: Mesonet
Coordinates: 44.080, -101.140

SD Mesonet recorded wind gust.

Thunderstorm Wind, Mellette

When: August 13, 7:10 PM CST
Where: Mellette County, 4.24 mi WNW of Cedar Butte
Measured: 55 kt (63 mph) measured gust
Reported by: Mesonet
Coordinates: 43.600, -101.100

SD Mesonet recorded wind gust.

Thunderstorm Wind, Jackson

When: August 13, 6:11 PM MST
Where: Jackson County, 9.75 mi ENE of Belvidere
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 43.900, -101.100

SD Mesonet recorded wind gust.

Thunderstorm Wind, Bennett

When: August 13, 6:15 PM MST
Where: Bennett County, 4.09 mi ENE of Martin Muni Arpt
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 43.200, -101.650

SD Mesonet recorded wind gust.

Thunderstorm Wind, Haakon

When: August 13, 6:15 PM MST
Where: Haakon County, 0.85 mi NE of Midland
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 44.080, -101.140

SD Mesonet recorded wind gust.

Thunderstorm Wind, Mellette

When: August 13, 7:33 PM CST
Where: Mellette County, 10.13 mi NNE of White River
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 43.710, -100.690

SD Mesonet recorded wind gust.

Thunderstorm Wind, Bennett

When: August 13, 6:35 PM MST
Where: Bennett County, 3.42 mi NE of Harrington
Measured: 66 kt (76 mph) measured gust
Reported by: Mesonet
Coordinates: 43.210, -101.230

SD Mesonet recorded wind gust.

Thunderstorm Wind, Mellette

When: August 13, 7:35 PM CST
Where: Mellette County, 0.85 mi SE of White River
Measured: 55 kt (63 mph) measured gust
Reported by: Mesonet
Coordinates: 43.560, -100.740

SD Mesonet recorded wind gust.

Thunderstorm Wind, Todd

When: August 13, 7:36 PM CST
Where: Todd County, 10.98 mi SW of Parmelee
Measured: 62 kt (71 mph) measured gust
Reported by: Mesonet
Coordinates: 43.230, -101.200

SD Mesonet recorded wind gust.

Thunderstorm Wind, Haakon

When: August 13, 6:40 PM MST
Where: Haakon County, 0.85 mi NE of Midland
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 44.080, -101.140

SD Mesonet recorded wind gust.

Thunderstorm Wind, Todd

When: August 13, 8:05 PM CST
Where: Todd County, 6.87 mi ESE of Rosebud
Measured: 54 kt (62 mph) measured gust
Reported by: Mesonet
Coordinates: 43.200, -100.720

SD Mesonet recorded wind gust.

Thunderstorm Wind, Todd

When: August 13, 8:08 PM CST
Where: Todd County, 14.82 mi SSE of Mission
Measured: 54 kt (62 mph) measured gust
Reported by: Mesonet
Coordinates: 43.100, -100.600

SD Mesonet recorded wind gust.

Thunderstorm Wind, Todd

When: August 13, 8:13 PM CST
Where: Todd County, 14.82 mi SSE of Mission
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 43.100, -100.600

SD Mesonet recorded wind gust.

Thunderstorm Wind, Tripp

When: August 13, 8:38 PM CST
Where: Tripp County, 2.81 mi S of Witten
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 43.390, -100.070

SD Mesonet recorded wind gust.

Thunderstorm Wind, Tripp

When: August 13, 8:52 PM CST
Where: Tripp County, 0.5 mi W of (Icr)winner Airport
Measured: 51 kt (59 mph) measured gust
Reported by: ASOS
Coordinates: 43.390, -99.850

ASOS recorded wind gust.

Thunderstorm Wind, Tripp

When: August 13, 8:55 PM CST
Where: Tripp County, 0.5 mi W of (Icr)winner Airport
Measured: 53 kt (61 mph) measured gust
Reported by: ASOS
Coordinates: 43.390, -99.850

ASOS recorded wind gust.

Thunderstorm Wind, Tripp

When: August 13, 8:58 PM CST
Where: Tripp County, Wewela
Measured: 59 kt (68 mph) measured gust
Reported by: Mesonet
Coordinates: 43.010, -99.780

SD Mesonet recorded wind gust.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in South Dakota in 2025 Every state in 2025 This day in weather history Warnings in South Dakota, August 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1292724, 1292725, 1292726, 1292727, 1292728, 1292729, 1292730, 1292731, 1292732, 1292733, 1292734, 1292735, 1292736, 1292737, 1292738, 1292739, 1292741, 1292742, 1292743, 1292744, 1292745, 1292746, 1292747, 1292748, 1292749, 1292750, 1292751, 1292752, 1292753, 1292755, 1292756, 1292757, 1292758, 1292759, 1292760, 1292761, 1292762, 1292763, 1292764, 1292771, and more.