A cluster of severe storms developed in northwestern South Dakota during the late afternoon hours and migrated east, crossing north central and northeast South Dakota through the overnight and early morning hours. This was primarily a wind producing complex with gusts in excess of 100 mph at times which caused sporadic damage.

Hail in JONES, SOUTH DAKOTA
From 23-AUG-21 16:15:00 to 23-AUG-21 16:15:00 (CST-6)
Location: WESTOVER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DEWEY, SOUTH DAKOTA
From 23-AUG-21 17:13:00 to 23-AUG-21 17:13:00 (MST-7)
Location: LANTRY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DEWEY, SOUTH DAKOTA
From 23-AUG-21 17:19:00 to 23-AUG-21 17:19:00 (MST-7)
Location: LANTRY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in CORSON, SOUTH DAKOTA
From 23-AUG-21 19:26:00 to 23-AUG-21 19:26:00 (MST-7)
Location: BULLHEAD
Magnitude: 97.00 MG
Reported by: Mesonet

Thunderstorm Wind in DEWEY, SOUTH DAKOTA
From 23-AUG-21 19:46:00 to 23-AUG-21 19:46:00 (MST-7)
Location: TIMBER LAKE
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in DEWEY, SOUTH DAKOTA
From 23-AUG-21 19:47:00 to 23-AUG-21 19:47:00 (MST-7)
Location: TIMBER LAKE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in CORSON, SOUTH DAKOTA
From 23-AUG-21 19:52:00 to 23-AUG-21 19:52:00 (MST-7)
Location: LITTLE EAGLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Sixty mph winds were estimated.

Thunderstorm Wind in DEWEY, SOUTH DAKOTA
From 23-AUG-21 20:08:00 to 23-AUG-21 20:08:00 (MST-7)
Location: TRAIL CITY
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CAMPBELL, SOUTH DAKOTA
From 23-AUG-21 21:48:00 to 23-AUG-21 21:48:00 (CST-6)
Location: HERREID MUNI ARPT
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in POTTER, SOUTH DAKOTA
From 23-AUG-21 22:24:00 to 23-AUG-21 22:24:00 (CST-6)
Location: GETTYSBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MCPHERSON, SOUTH DAKOTA
From 23-AUG-21 22:43:00 to 23-AUG-21 22:43:00 (CST-6)
Location: LANGLAKE
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in MCPHERSON, SOUTH DAKOTA
From 23-AUG-21 22:45:00 to 23-AUG-21 22:45:00 (CST-6)
Location: LANGLAKE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Sixty mph winds were estimated.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 23-AUG-21 23:27:00 to 23-AUG-21 23:27:00 (CST-6)
Location: WINSHIP
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in FAULK, SOUTH DAKOTA
From 23-AUG-21 23:28:00 to 23-AUG-21 23:28:00 (CST-6)
Location: BURKMERE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorm Wind in HYDE, SOUTH DAKOTA
From 23-AUG-21 23:28:00 to 23-AUG-21 23:28:00 (CST-6)
Location: HIGHMORE ARPT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 23-AUG-21 23:33:00 to 23-AUG-21 23:33:00 (CST-6)
Location: WINSHIP
Magnitude: 79.00 MG
Reported by: Mesonet

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 24-AUG-21 04:37:00 to 24-AUG-21 04:37:00 (CST-6)
Location: ANDOVER
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in ROBERTS, SOUTH DAKOTA
From 24-AUG-21 05:33:00 to 24-AUG-21 05:33:00 (CST-6)
Location: SUMMIT
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CORSON, SOUTH DAKOTA
From 23-AUG-21 19:25:00 to 23-AUG-21 19:25:00 (MST-7)
Location: BULLHEAD
Magnitude: 87.00 EG
Reported by: Public

Estimated 100 mph winds took the roof off a barn.  A nearby mesonet station recorded a wind gust of over 100 mph.

Thunderstorm Wind in CORSON, SOUTH DAKOTA
From 23-AUG-21 19:15:00 to 23-AUG-21 19:15:00 (MST-7)
Location: BULLHEAD
Magnitude: 87.00 EG
Reported by: Public

Estimated 100 mph winds took shingles off a home and tin off an outbuilding along with downing many large tree branches.  A nearby mesonet station recorded a wind gust of over 100 mph.