Severe thunderstorms developed along a surface cool frontal boundary extending across northeast South Dakota bringing very large hail greater than the size of baseballs. The baseball hail in Watertown left many parts of the town covered with tree debris with many cars covered in dents along with the siding and roofs damaged on several homes. Some windows were also broken and crops damaged.

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 18:49:00 to 11-JUL-17 18:49:00 (CST-6)
Location: WATERTOWN
Magnitude: 3.00 
Reported by: Public

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 18:51:00 to 11-JUL-17 18:51:00 (CST-6)
Location: WATERTOWN
Magnitude: 1.75 
Reported by: Emergency Manager

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 18:52:00 to 11-JUL-17 18:52:00 (CST-6)
Location: WATERTOWN
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ROBERTS, SOUTH DAKOTA
From 11-JUL-17 19:07:00 to 11-JUL-17 19:07:00 (CST-6)
Location: PEEVER
Magnitude: 1.00 
Reported by: Public

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 19:23:00 to 11-JUL-17 19:23:00 (CST-6)
Location: APPLEBY
Magnitude: 1.75 
Reported by: Public

Golf ball hail caused damage to the house siding along with breaking some windows. Crops were also damaged.

Hail in HAMLIN, SOUTH DAKOTA
From 11-JUL-17 20:45:00 to 11-JUL-17 20:45:00 (CST-6)
Location: LAKE NORDEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HAMLIN, SOUTH DAKOTA
From 11-JUL-17 20:51:00 to 11-JUL-17 20:51:00 (CST-6)
Location: LAKE NORDEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DAY, SOUTH DAKOTA
From 11-JUL-17 17:20:00 to 11-JUL-17 17:20:00 (CST-6)
Location: GRENVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HAMLIN, SOUTH DAKOTA
From 11-JUL-17 17:44:00 to 11-JUL-17 17:44:00 (CST-6)
Location: HAZEL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 18:07:00 to 11-JUL-17 18:07:00 (CST-6)
Location: FOLEY
Magnitude: 2.00 
Reported by: Public

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 18:21:00 to 11-JUL-17 18:21:00 (CST-6)
Location: WATERTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in HAMLIN, SOUTH DAKOTA
From 11-JUL-17 18:23:00 to 11-JUL-17 18:23:00 (CST-6)
Location: HAYTI
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in HAMLIN, SOUTH DAKOTA
From 11-JUL-17 18:30:00 to 11-JUL-17 18:30:00 (CST-6)
Location: HAYTI
Magnitude: 1.75 
Reported by: Public

Hail in HAMLIN, SOUTH DAKOTA
From 11-JUL-17 18:37:00 to 11-JUL-17 18:37:00 (CST-6)
Location: HAYTI
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 18:42:00 to 11-JUL-17 18:42:00 (CST-6)
Location: (ATY)WATERTOWN ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 18:47:00 to 11-JUL-17 18:47:00 (CST-6)
Location: WATERTOWN
Magnitude: 2.75 
Reported by: Trained Spotter

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 18:47:00 to 11-JUL-17 18:47:00 (CST-6)
Location: WATERTOWN
Magnitude: 2.50 
Reported by: Public

Hail in CODINGTON, SOUTH DAKOTA
From 11-JUL-17 18:48:00 to 11-JUL-17 18:48:00 (CST-6)
Location: WATERTOWN
Magnitude: 2.00 
Reported by: Public