Scattered thunderstorms developed along a weak frontal boundary and also along an outflow boundary. Several of the storms produced large hail.

Flash Flood in GRANT, SOUTH DAKOTA
From 10-JUN-07 16:50:00 to 10-JUN-07 18:15:00 (CST-6)
Location: MILBANK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rains of 2 to 3 inches caused flash flooding of several roads in Milbank.

Hail in GRANT, SOUTH DAKOTA
From 10-JUN-07 14:30:00 to 10-JUN-07 14:30:00 (CST-6)
Location: MARVIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRANT, SOUTH DAKOTA
From 10-JUN-07 14:45:00 to 10-JUN-07 14:45:00 (CST-6)
Location: MILBANK ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRANT, SOUTH DAKOTA
From 10-JUN-07 16:00:00 to 10-JUN-07 16:00:00 (CST-6)
Location: BIG STONE CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRANT, SOUTH DAKOTA
From 10-JUN-07 16:00:00 to 10-JUN-07 16:00:00 (CST-6)
Location: MILBANK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRANT, SOUTH DAKOTA
From 10-JUN-07 16:01:00 to 10-JUN-07 16:01:00 (CST-6)
Location: STOCKHOLM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRANT, SOUTH DAKOTA
From 10-JUN-07 16:10:00 to 10-JUN-07 16:10:00 (CST-6)
Location: MILBANK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in GRANT, SOUTH DAKOTA
From 10-JUN-07 16:30:00 to 10-JUN-07 16:30:00 (CST-6)
Location: TWIN BROOKS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRANT, SOUTH DAKOTA
From 10-JUN-07 16:30:00 to 10-JUN-07 16:30:00 (CST-6)
Location: TWIN BROOKS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARSHALL, SOUTH DAKOTA
From 10-JUN-07 17:15:00 to 10-JUN-07 17:15:00 (CST-6)
Location: LAKE CITY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Hail in ROBERTS, SOUTH DAKOTA
From 10-JUN-07 17:25:00 to 10-JUN-07 17:25:00 (CST-6)
Location: GOODWILL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ROBERTS, SOUTH DAKOTA
From 10-JUN-07 18:10:00 to 10-JUN-07 18:10:00 (CST-6)
Location: PEEVER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CORSON, SOUTH DAKOTA
From 10-JUN-07 21:00:00 to 10-JUN-07 21:00:00 (MST-7)
Location: MC INTOSH MUNI ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in CORSON, SOUTH DAKOTA
From 10-JUN-07 21:45:00 to 10-JUN-07 21:45:00 (MST-7)
Location: WALKER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MCPHERSON, SOUTH DAKOTA
From 11-JUN-07 00:00:00 to 11-JUN-07 00:00:00 (CST-6)
Location: HILLSVIEW
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in CORSON, SOUTH DAKOTA
From 10-JUN-07 21:45:00 to 10-JUN-07 21:45:00 (MST-7)
Location: WALKER
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Seventy mph winds took several shingles off a roof.

Hail in ROBERTS, SOUTH DAKOTA
From 10-JUN-07 15:50:00 to 10-JUN-07 15:50:00 (CST-6)
Location: SUMMIT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in GRANT, SOUTH DAKOTA
From 10-JUN-07 15:10:00 to 10-JUN-07 15:10:00 (CST-6)
Location: MILBANK ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement