A shortwave trough and a persistent transport of very moist air into southern WI led to numerous thunderstorms and resultant wind damage, flash flooding, and river flooding. We Energies reported 11,500 customers without power with a majority of them in Milwaukee County. The Baraboo River flooded where over 6 inches of rain had fallen.

Heavy Rain in ROCK, WISCONSIN
From 07-SEP-16 15:35:00 to 07-SEP-16 16:15:00 (CST-6)
Location: MALLWOOD
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A burst of heavy rain around 2 inches resulted in water flowing over Richardson Road, through yards, and around structures as it flowed into the Rock River.

Thunderstorm Wind in MILWAUKEE, WISCONSIN
From 07-SEP-16 16:15:00 to 07-SEP-16 16:15:00 (CST-6)
Location: WEST ALLIS
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Social Media

A video shows several large tree branches and a tree falling in strong thunderstorm winds.

Thunderstorm Wind in MILWAUKEE, WISCONSIN
From 07-SEP-16 16:12:00 to 07-SEP-16 16:12:00 (CST-6)
Location: STATE FAIR PARK
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Social Media

A couple trees uprooted and other tree limbs down across West Allis.

Thunderstorm Wind in WAUKESHA, WISCONSIN
From 07-SEP-16 16:03:00 to 07-SEP-16 16:07:00 (CST-6)
Location: TESS CORNERS
Magnitude: 55.00 EG
Property damage: 10.00K
Reported by: 911 Call Center

Widespread tree branches and trees down. Power lines down.

Thunderstorm Wind in WALWORTH, WISCONSIN
From 07-SEP-16 16:20:00 to 07-SEP-16 16:40:00 (CST-6)
Location: LA GRANGE
Magnitude: 50.00 EG
Property damage: 7.00K
Reported by: 911 Call Center

Several tree branches and trees down.

Flash Flood in MILWAUKEE, WISCONSIN
From 07-SEP-16 16:45:00 to 07-SEP-16 19:00:00 (CST-6)
Location: WEST ALLIS
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Around 3 inches of rain in a little over an hour led to flash flooding of the KK River Parkway and the Root River Parkway. Some lane closures occurred due to the flooding. Water levels up to the bumpers on cars. The KinderCare Learning Center in West Allis was evacuated by the fire department due to the deep water over the road that leads to the center.

Heavy Rain in WAUKESHA, WISCONSIN
From 07-SEP-16 16:35:00 to 07-SEP-16 19:00:00 (CST-6)
Location: NEW BERLIN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Heavy rains and street flooding resulted in closing the intersection of 128th street and Cleveland Ave in New Berlin.

Flood in DODGE, WISCONSIN
From 07-SEP-16 06:15:00 to 07-SEP-16 21:41:00 (CST-6)
Location: MAYVILLE
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several inches of rain during the overnight and morning hours resulted in flooding around St. John's Lutheran School and Parkview Elementary School. The schools were evacuated and sandbagging was necessary. Nearby highway 28 and a few other road closures occurred due to deep water.

Heavy Rain in SAUK, WISCONSIN
From 07-SEP-16 05:00:00 to 07-SEP-16 19:00:00 (CST-6)
Location: LA VALLE
Reported by: Broadcast Media

Over 6 inches of rain fell in the area surrounding Lake Redstone. The lake rose about a foot causing piers to completely submerge and boats to float away.

Flood in SAUK, WISCONSIN
From 08-SEP-16 12:45:00 to 12-SEP-16 22:40:00 (CST-6)
Location: ROCK SPGS
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Baraboo River at Rock Springs reached minor flood stage and peaked at 20.67 feet. Floodwaters affected portions of highways DD, 154, and 136 in the Rock Springs area.  There is widespread inundation of lowland flooding.

Flood in SAUK, WISCONSIN
From 07-SEP-16 12:00:00 to 08-SEP-16 12:00:00 (CST-6)
Location: LA VALLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Floodwaters from the Little Baraboo River covered two bridges between La Valle and Ironton. The bridges were closed with one located on highway 58 about 1 mile south of La Valle, and the other on Branton Road about 2 miles south of La Valle.

Flood in SAUK, WISCONSIN
From 07-SEP-16 13:50:00 to 10-SEP-16 22:05:00 (CST-6)
Location: REEDSBURG
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Baraboo River at Reedsburg reached minor flood stage and peaked at 15.80 feet. Floodwaters affected Granite Ave. and South Webb Ave. along the river and touched the concrete deck of the South Webb Ave. bridge. There is widespread inundation of lowland including Webb Park and Smith Conservancy.