A nearly stationary band of thunderstorms developed across southwest Wisconsin during the evening of June 21st. These storms remained in place until another line of storms pushed in from the west during the early morning hours of the 22nd. Rainfall amounts exceeded six inches with flash flooding reported in parts of Crawford, Grant and Richland Counties. The area in and around Boscobel (Grant County) was hit extremely hard by the flooding. 650 homes were impacted by the flooding with two dozen families displaced, most homes had basements full of water with some having the water reach the first level. Roads in the region had numerous washouts and some bridges were blown out. Rescue crews had to save 54 canoeists who became stranded on the Wisconsin River due to rising waters.

Hail in GRANT, WISCONSIN
From 22-JUN-13 02:43:00 to 22-JUN-13 02:43:00 (CST-6)
Location: BOSCOBEL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Lightning in LA CROSSE, WISCONSIN
From 22-JUN-13 05:00:00 to 22-JUN-13 05:00:00 (CST-6)
Location: HOLMEN
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

A house in Holmen was struck by lightning. The electrical box, some windows and the roof were damaged.

Flash Flood in RICHLAND, WISCONSIN
From 22-JUN-13 08:16:00 to 22-JUN-13 09:30:00 (CST-6)
Location: TRAVERA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Locally heavy rain produced flash flooding across mainly the far southwest part of Richland County. Knapp Creek and numerous other small streams were out of their banks with County Road F flooded south of Excelsior.

Heavy Rain in GRANT, WISCONSIN
From 21-JUN-13 05:26:00 to 22-JUN-13 05:26:00 (CST-6)
Location: MUSCODA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

South of Muscoda, 5.4 inches of rain was reported.

Heavy Rain in CRAWFORD, WISCONSIN
From 21-JUN-13 06:00:00 to 22-JUN-13 06:00:00 (CST-6)
Location: MT ZION
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Mt. Zion, 3 inches of rain was reported.

Heavy Rain in CRAWFORD, WISCONSIN
From 21-JUN-13 23:00:00 to 22-JUN-13 02:53:00 (CST-6)
Location: BOYDTOWN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer northeast of Wauzeka reported 3.1 inches of rain bringing the total to over 4 inches in the past 24 hours.

Heavy Rain in GRANT, WISCONSIN
From 21-JUN-13 06:26:00 to 22-JUN-13 06:26:00 (CST-6)
Location: BOSCOBEL
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

The mesonet observing equipment in Boscobel measured 7.79 inches of rain.

Heavy Rain in CRAWFORD, WISCONSIN
From 21-JUN-13 06:26:00 to 22-JUN-13 06:26:00 (CST-6)
Location: STEUBEN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer near Stueben reported 6.47 inches of rain.

Flash Flood in GRANT, WISCONSIN
From 22-JUN-13 02:00:00 to 22-JUN-13 06:30:00 (CST-6)
Location: BOSCOBEL
Flood cause: Heavy Rain
Property damage: 7.10M
Crop damage: 0.00K
Reported by: Law Enforcement

Very heavy rain produced flash flooding across the northeast part of Grant County.
In Boscobel, numerous houses became surrounded by water with evacuations needed, most streets were flooded and cars were under water. 650 homes were impacted by the flood waters with two dozen families displaced. County Roads M and S near Boscobel were impassable due to high water and several other county roads between Blue River and Fennimore were covered with water and impassable. Portions of County Road C southwest of Woodman were under water. The flooding washed out sections of State Highway 133 outside of Woodman and Blue River. Debris was washed down Glass Hollow and Dry Hollow Creeks where it became lodged across railroad bridges in Bagley producing flooding in the town. The railroad tracks through Woodman were washed out. Flooding debris blocked some roads around Patch Grove. 54 canoeists had to be rescued from the Wisconsin River because of rising water.

Flash Flood in CRAWFORD, WISCONSIN
From 22-JUN-13 03:54:00 to 22-JUN-13 09:30:00 (CST-6)
Location: MT ZION
Flood cause: Heavy Rain
Property damage: 4.30M
Crop damage: 0.00K
Reported by: Law Enforcement

Locally heavy rain produced flash flooding across portions of Crawford County. Water covered roads in the Steuben area. Mudslides occurred that closed U.S. Highway 61 and State Highway 60 in the southeast part of the county. Other mudslides closed State Highway 35 between Lynxville and Prairie du Chien. Numerous streets and basements were flooded in Prairie du Chien. Homes and businesses were evacuated in Gays Mills and Stueben ahead of the expected flooding along the Kickapoo River.