A slow moving cold front combined with deep tropical moisture resulted in thunderstorms with very heavy rains moving over the same area. Heavy rains of 2 to 5 inches caused many areas of flash flooding across central and north central South Dakota. Some of the heavy rainfall amounts included, 3.88 inches 4 miles northwest of Onida, 4.00 inches at Blunt, 4.50 inches at the Okobojo Recreation Area, 4.53 inches at Agar, and 4.68 inches at Gettysburg.

Flash Flood in HYDE, SOUTH DAKOTA
From 12-JUN-07 17:15:00 to 12-JUN-07 20:00:00 (CST-6)
Location: HIGHMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several roads were flooded in Highmore.

Flash Flood in FAULK, SOUTH DAKOTA
From 12-JUN-07 17:30:00 to 12-JUN-07 20:00:00 (CST-6)
Location: SENECA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy rains of nearly 3 inches resulted in the flooding of a basement.

Flash Flood in BUFFALO, SOUTH DAKOTA
From 12-JUN-07 18:00:00 to 12-JUN-07 20:00:00 (CST-6)
Location: FT THOMPSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several roads were flooded in Fort Thompson.

Flash Flood in HUGHES, SOUTH DAKOTA
From 12-JUN-07 15:00:00 to 12-JUN-07 19:00:00 (CST-6)
Location: BLUNT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy rains of around 4 inches flooded a road in several places near Blunt.

Flash Flood in LYMAN, SOUTH DAKOTA
From 12-JUN-07 15:00:00 to 12-JUN-07 19:00:00 (CST-6)
Location: MC CLURE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy rains of 3 to 4 inches flooded a road and much of the property around a home.

Flash Flood in SULLY, SOUTH DAKOTA
From 12-JUN-07 15:20:00 to 12-JUN-07 19:20:00 (CST-6)
Location: FIELDER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Many area roads were under water near the Okobojo Creek Recreation area. Also, part of Highway 1864 near Onida was closed for a time due to flooding.

Flash Flood in POTTER, SOUTH DAKOTA
From 12-JUN-07 16:25:00 to 12-JUN-07 19:25:00 (CST-6)
Location: GETTYSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rains flooded many streets in Gettysburg along with the entire park.

Flash Flood in CORSON, SOUTH DAKOTA
From 12-JUN-07 17:30:00 to 12-JUN-07 20:30:00 (MST-7)
Location: WALKER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Water was flowing over the road in several places in a three mile stretch of 257th Avenue.

Flash Flood in DEWEY, SOUTH DAKOTA
From 12-JUN-07 15:50:00 to 12-JUN-07 18:50:00 (MST-7)
Location: ISABEL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Heavy rains resulted in the flash flooding of several county roads near Isabel.

Flash Flood in STANLEY, SOUTH DAKOTA
From 12-JUN-07 16:00:00 to 12-JUN-07 19:00:00 (MST-7)
Location: LACY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several roads were flooded by heavy rains of 1 to 3 inches.

Flash Flood in DEWEY, SOUTH DAKOTA
From 12-JUN-07 15:00:00 to 12-JUN-07 18:00:00 (MST-7)
Location: FIRESTEEL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A part of Highway 63 was washed out by flash flooding.