A large upper level low pressure area along with deep moisture brought very heavy rains to central, north central, and northeast South Dakota. Rainfall amounts of 3 to 7 inches occurred across much of the area resulting in widespread flooding. Many creeks were flooded along with many roads and thousands of acres of crop and pastureland by the two day heavy rain event. Many roads were closed across the area. The two day rainfall amounts were generally more than the normal June rainfall across the region.
Some rainfall amounts across the region included; 3.07 inches at Kennebec; 3.22 inches at Roscoe; 3.45 inches at Ipswich; 3.50 inches near Hosmer; 3.61 inches at Fort Pierre; 3.69 inches at Leola; 3.77 inches near Onida and at Mission Ridge; 3.82 inches near Akaska; 3.92 inches at Westport; 3.96 inches at Seneca; 4.03 inches at Murdo; 4.60 inches at Highmore; 4.63 inches at Miller; 4.70 inches at Pierre and north of Gettysburg; and 4.98 inches east of Hayes.  Locations with more than five inches of rainfall included; 5.07 inches north of Vivian; 5.39 inches southeast of Pierre; 5.72 inches 10 south of Reliance; 7.00 inches near Fort Thompson; and 7.50 inches at Lake Sharpe.

Flood in HUGHES, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: PIERRE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in SULLY, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: LAUREL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in HAND, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: POLO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Very heavy rains caused the flooding of several creeks throughout Hand county with many roads flooded and closed. Miller received extensive flooding with many pumps brought out to move the water. Sandbagging was also done around several homes.

Flood in POTTER, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: GETTYSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain flooded most of the roads in Gettysburg with many basements also receiving water.

Flood in WALWORTH, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: AKASKA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in HYDE, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: HOLABIRD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in FAULK, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: ONAKA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in EDMUNDS, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: BOWDLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in MCPHERSON, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: GREENWAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in BROWN, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: WINSHIP
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in JONES, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: CAPA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in STANLEY, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (MST-7)
Location: BUNKER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in SPINK, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: MANSFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in LYMAN, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: MC CLURE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in BUFFALO, SOUTH DAKOTA
From 20-JUN-11 14:00:00 to 22-JUN-11 14:00:00 (CST-6)
Location: FT THOMPSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager