A trailing supercell thunderstorm tracked across northeastern Wyoming and across the northern Black Hills and west central South Dakota. This storm brought large hail to the Spearfish, Lead, Deadwood, and Sturgis areas, as well as portions of the southern Meade County plains into south central South Dakota. Heavy rain resulted in flash flooding across portions of northeastern Pennington and Haakon Counties.

Hail in LAWRENCE, SOUTH DAKOTA
From 12-JUN-22 17:05:00 to 12-JUN-22 17:05:00 (MST-7)
Location: SPEARFISH
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAWRENCE, SOUTH DAKOTA
From 12-JUN-22 17:12:00 to 12-JUN-22 17:12:00 (MST-7)
Location: SPEARFISH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MEADE, SOUTH DAKOTA
From 12-JUN-22 17:40:00 to 12-JUN-22 17:40:00 (MST-7)
Location: STURGIS
Magnitude: 2.00 
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in MEADE, SOUTH DAKOTA
From 12-JUN-22 17:42:00 to 12-JUN-22 17:42:00 (MST-7)
Location: STURGIS
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in MEADE, SOUTH DAKOTA
From 12-JUN-22 17:44:00 to 12-JUN-22 17:44:00 (MST-7)
Location: STURGIS
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in MEADE, SOUTH DAKOTA
From 12-JUN-22 17:47:00 to 12-JUN-22 17:47:00 (MST-7)
Location: TILFORD
Magnitude: 1.25 
Crop damage: 0.00K
Reported by: Public

Hail in MEADE, SOUTH DAKOTA
From 12-JUN-22 17:47:00 to 12-JUN-22 17:47:00 (MST-7)
Location: TILFORD
Magnitude: 1.25 
Crop damage: 0.00K
Reported by: Public

Hail in MEADE, SOUTH DAKOTA
From 12-JUN-22 18:00:00 to 12-JUN-22 18:00:00 (MST-7)
Location: STURGIS
Magnitude: 1.50 
Crop damage: 0.00K
Reported by: Public

Hail in MEADE, SOUTH DAKOTA
From 12-JUN-22 18:02:00 to 12-JUN-22 18:02:00 (MST-7)
Location: STURGIS
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Hail in LAWRENCE, SOUTH DAKOTA
From 12-JUN-22 17:30:00 to 12-JUN-22 17:30:00 (MST-7)
Location: LEAD
Magnitude: 1.25 
Crop damage: 0.00K
Reported by: Public

Hail in LAWRENCE, SOUTH DAKOTA
From 12-JUN-22 17:37:00 to 12-JUN-22 17:37:00 (MST-7)
Location: DEADWOOD
Magnitude: 1.50 
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in MEADE, SOUTH DAKOTA
From 12-JUN-22 18:33:00 to 12-JUN-22 18:33:00 (MST-7)
Location: (RCA)ELLSWORTH AFB
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: COOP Observer

Hail in MEADE, SOUTH DAKOTA
From 12-JUN-22 19:03:00 to 12-JUN-22 19:03:00 (MST-7)
Location: ELM SPRINGS
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in PENNINGTON, SOUTH DAKOTA
From 12-JUN-22 19:50:00 to 12-JUN-22 19:50:00 (MST-7)
Location: QUINN
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter estimated wind gusts at 60 mph.

Flood in PENNINGTON, SOUTH DAKOTA
From 12-JUN-22 18:45:00 to 13-JUN-22 07:00:00 (MST-7)
Location: CREIGHTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two to three inches of rain fell in a brief period of time. The runoff flooded fields, rural roads, and yards.

Flash Flood in HAAKON, SOUTH DAKOTA
From 12-JUN-22 20:45:00 to 12-JUN-22 23:00:00 (MST-7)
Location: PHILIP
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two to four inches of rain fell in just over an hour. Runoff flooded fields, rural roads, and yards.

Flood in HAAKON, SOUTH DAKOTA
From 12-JUN-22 23:00:00 to 13-JUN-22 11:00:00 (MST-7)
Location: PHILIP
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Two to four inches of rain fell in just over an hour. Runoff flooded fields, rural roads, and yards.

Hail in TRIPP, SOUTH DAKOTA
From 12-JUN-22 22:30:00 to 12-JUN-22 22:30:00 (CST-6)
Location: IDEAL
Magnitude: 1.50 
Crop damage: 0.00K
Reported by: Public