Previous thunderstorms that moved across western Wisconsin during the morning hours of Wednesday, September 2nd, provided a boundary that fired off additional thunderstorms in west central Wisconsin during the early afternoon. These storms continued to develop in a small area that reformed west of Ridgeland in far northwest Dunn County, and drifted east-southeast across northern Dunn and western Chippewa Counties.  Rainfall amounts averaged between 3-5 inches across the flooded areas, with locally 6-8 inches near Ridgeland where locals indicated that they hadn't seen this type of flooding in years. One individual could not get out of his driveway due to a flooded creek that ran along his property line. The village of Ridgeland, which is only a few blocks long, had nearly all their roads closed during the height of the flooding.
Flooding was reported on Highway 25, County Roads W and WW near Ridgeland. Several of the roads were damaged around Ridgeland and south to southeast toward the Dunn/Chippewa County line.

In Chippewa County, County Highway S was closed east of the U.S. Highway 53 due to a washout.
Other roads that were impassable due to washouts in both Dunn and Chippewa Counties:

Highway F south of Highway N
Highway T & Highway N intersection
Highway Q at 129th St.
Highway S, East of Highway HH
Highway C and State Highway 40
Although most of the heavy rainfall ended by 2 PM CST, runoff continued through the late afternoon.

Flash Flood in DUNN, WISCONSIN
From 02-SEP-15 12:45:00 to 02-SEP-15 16:00:00 (CST-6)
Location: CONNORSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Local county officials, trained observers and the general public indicated widespread flooding across portions of northern Dunn County. Numerous roads were either closed or partially closed during the height of the flood event. The village of Ridgeland was inundated with flood waters, and some roads were impassable. Rainfall reports in the area had averaged between 4 to 6 inches, with locally 8 inches near Ridgeland.
Specifically, flooding was reported on Highway 25, County Roads W and WW near Ridgeland. Other parts of Dunn County, including Highway Q at 129th St, and Highway S, east of Highway HH, were closed.
Several of the roads were damaged around Ridgeland and south to southeast toward the Dunn/Chippewa County line.

Flash Flood in CHIPPEWA, WISCONSIN
From 02-SEP-15 14:30:00 to 02-SEP-15 16:15:00 (CST-6)
Location: BATEMAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Local county officials, trained observers, and the general public indicated widespread flooding across portions of northwest and western Chippewa County as locally 4 to 6 inches of rain fell in less than 3 hours. Several roads were closed during the height of the storm, plus the city of Chippewa Falls had some problems with flooded roadways. In addition, five feet of water was reported in the basement of one residence in Chippewa Falls and at St. Joseph's Hospital in Chippewa Falls. In addition, County Highway S was closed east of the U.S. Highway 53 due to a washout. Other roads in Chippewa county, including Highway C and State Highway 40, and Highway T at the Highway N intersection, were closed due to flood waters.