Alert archive / South Dakota / Tornado Watches in 2025

Tornado Watch 574

August 5, 202512 counties in North Dakota; 24 counties in South Dakota

The Storm Prediction Center issued this tornado watch at Aug 5, 2025, 4:03 PM CDT for 12 counties in North Dakota; 24 counties in South Dakota. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Aug 5, 2025, 4:03 PM CDT (21:03 UTC)
Expired
Aug 6, 2025, 12:00 AM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 36 counties

Burleigh County, ND, Dickey County, ND, Emmons County, ND, Grant County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Morton County, ND, Oliver County, ND, Sioux County, ND, Stutsman County, ND, Brown County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Deuel County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD, Ziebach County, SD

The radar

The Bismarck radar (KBIS), 102 km from the middle of the area, began a volume at 21:04 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

37 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Aug 5, 4:25 PM CDTSevere Thunderstorm WarningBISLaMoure, Logan, McIntosh65 min
Aug 5, 4:39 PM CDTSevere Thunderstorm WarningBISDickey, LaMoure, McIntosh51 min
Aug 5, 4:44 PM CDTSevere Thunderstorm WarningBISKidder, Stutsman61 min
Aug 5, 4:46 PM CDTSevere Thunderstorm WarningBISDickey59 min
Aug 5, 5:34 PM CDTSevere Thunderstorm WarningBISDickey, LaMoure, Logan, McIntosh41 min
Aug 5, 5:43 PM CDTTornado WarningBISDickey, McIntosh32 min
Aug 5, 6:02 PM CDTTornado WarningBISDickey, McIntosh28 min
Aug 5, 6:10 PM CDTSevere Thunderstorm WarningABRMcPherson50 min
Aug 5, 6:12 PM CDTFlash Flood WarningBISDickey, McIntosh6 hr
Aug 5, 6:12 PM CDTSevere Thunderstorm WarningBISDickey, McIntosh63 min
Aug 5, 6:23 PM CDTTornado WarningBISDickey24 min
Aug 5, 6:38 PM CDTSevere Thunderstorm Warning Considerable damage threatBISDickey67 min
Aug 5, 6:48 PM CDTSevere Thunderstorm WarningABRBrown, McPherson26 min
Aug 5, 6:55 PM CDTSevere Thunderstorm Warning Considerable damage threatABRMcPherson65 min
Aug 5, 7:13 PM CDTSevere Thunderstorm WarningABRMcPherson62 min
Aug 5, 7:26 PM CDTSevere Thunderstorm WarningABRDay, Marshall49 min
Aug 5, 7:37 PM CDTTornado WarningABRMcPherson23 min
Aug 5, 7:41 PM CDTSevere Thunderstorm WarningABREdmunds, Walworth49 min
Aug 5, 7:43 PM CDTSevere Thunderstorm WarningABREdmunds, McPherson47 min
Aug 5, 7:56 PM CDTTornado WarningABRMcPherson34 min
Aug 5, 7:57 PM CDTTornado WarningABRMarshall, Roberts33 min
Aug 5, 8:02 PM CDTSevere Thunderstorm WarningABRClark, Codington, Day, Grant43 min
Aug 5, 8:14 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds, McPherson46 min
Aug 5, 8:22 PM CDTSevere Thunderstorm Warning Destructive damage threatABREdmunds, Faulk, Potter, Walworth38 min
Aug 5, 8:45 PM CDTSevere Thunderstorm Warning Considerable damage threatABRBrown, Edmunds45 min
Aug 5, 8:57 PM CDTSevere Thunderstorm Warning Destructive damage threatABREdmunds, Faulk, Potter, Walworth48 min
Aug 5, 9:03 PM CDTSevere Thunderstorm WarningABRMarshall, Roberts27 min
Aug 5, 9:04 PM CDTFlash Flood WarningABRMarshall4 hr
Aug 5, 9:38 PM CDTSevere Thunderstorm WarningABRBrown, Day32 min
Aug 5, 9:45 PM CDTSevere Thunderstorm WarningABREdmunds, Faulk, Potter60 min
Aug 5, 10:41 PM CDTSevere Thunderstorm WarningABRFaulk, Hyde, Potter, Sully35 min
Aug 5, 10:54 PM CDTSevere Thunderstorm Warning Destructive damage threatABRCodington, Deuel, Hamlin51 min
Aug 5, 11:03 PM CDTSevere Thunderstorm Warning Considerable damage threatABRCodington, Deuel, Grant57 min
Aug 5, 11:06 PM CDTFlash Flood WarningABRCodington3 hr
Aug 5, 11:09 PM CDTFlash Flood WarningABRGrant, Roberts3 hr
Aug 5, 11:20 PM CDTSevere Thunderstorm Warning Considerable damage threatABRCodington, Deuel, Hamlin40 min
Aug 5, 11:34 PM CDTSevere Thunderstorm WarningABRFaulk, Hand, Spink56 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.1 hours before the alert went out and 98 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, Bismarck Municip, ND at 12:00Z on 2025-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 515 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, Bismarck Municip, ND at 12:00Z on 2025-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939Sfc1 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
515 J/kg
Mixed-layer CIN
-199 J/kg
Mixed-layer LCL
970 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 5, 2:40 PM CDTMesoscale DiscussionSPCBurleigh, Dickey, Emmons, Grant, Kidder, LaMoure and 3 more2 hr
Aug 5, 2:58 AM CDTMesoscale DiscussionSPCBennett, Butte, Custer, Fall River, Haakon, Harding and 6 more92 min
Aug 5, 5:21 PM CDTMesoscale DiscussionSPCCuster, Fall River, Lawrence, Oglala Lakota, Pennington114 min

Nearby

Tornado Watches in South Dakota, 2025Tornado Watches in North Dakota, 2025Every tornado watch 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.