Periods of moderate rainfall on February 19-20th resulted in 1.25-2.50 inches of rain. The rain fell on top of a snow cover of 0 to 3 inches and a frozen ground. Significant runoff resulted in widespread areal flooding and river flooding over southeast WI and portions of south central WI. Several rivers reached moderate and major flood stage.

Flood in KENOSHA, WISCONSIN
From 20-FEB-18 13:55:00 to 28-FEB-18 23:59:00 (CST-6)
Location: CAMP LAKE ARPT
Flood cause: Heavy Rain / Snow Melt
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Fox River near New Munster reached moderate flood stage, cresting at 13.37 feet. Floodwaters are into the lower levels of some homes along Riverside Dr. and Shorewood Dr. in the Village of Salem Lakes. A portion of 77th St. in the Town of Wheatland in flooded.

Flood in WAUKESHA, WISCONSIN
From 19-FEB-18 23:00:00 to 21-FEB-18 06:45:00 (CST-6)
Location: MONTEREY
Flood cause: Heavy Rain / Snow Melt
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land including some roads. Highway 83 was closed for a time between County Highway CW and the Waukesha and Washington County border. Two homes were threatened by high waters within the Wambold Channel in the Town of Eagle. One home sustained minor flood damage. The high water within the channel was due to high water downstream in Jericho Creek backing up into the channel. A couple roads near Jericho Creek and the Mukwonago River were closed due to flooding.

Flood in LAFAYETTE, WISCONSIN
From 20-FEB-18 14:05:00 to 21-FEB-18 23:40:00 (CST-6)
Location: DARLINGTON
Flood cause: Heavy Rain / Snow Melt
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Pecatonica River near Darlington crested at 15.30 ft., which is moderate flood stage.  Highways 23 and 81 are flooded and closed in Darlington, as is a good part of Main Street. This includes the highway 23 bridge. The Lafayette County Fairgrounds are flooded. In addition, there is flooding in Calamine, Wisconsin, about 5 miles upstream of Darlington. Also, northwest of South Wayne, portions of Sargent Rd. and Larson Rd. are closed due to high water.

Flood in JEFFERSON, WISCONSIN
From 19-FEB-18 23:00:00 to 21-FEB-18 06:45:00 (CST-6)
Location: WATERLOO
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land including some roads.

Flood in IOWA, WISCONSIN
From 20-FEB-18 10:15:00 to 21-FEB-18 06:45:00 (CST-6)
Location: REWEY
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land including some roads. County officials sandbagged and pumped water out of areas in the Village of Arena, which saved 14 homes from flooding.

Flood in WASHINGTON, WISCONSIN
From 20-FEB-18 13:30:00 to 21-FEB-18 06:15:00 (CST-6)
Location: ST KILIAN
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land including some roads. Portions of highways 144, 175, and 167 near Friess Lake Dr. were closed due to high water. The southbound off ramp from I-41 to highway 60 was closed for a time.

Flood in GREEN, WISCONSIN
From 20-FEB-18 02:20:00 to 28-FEB-18 17:00:00 (CST-6)
Location: BRODHEAD
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Sugar River reached moderate flood stage, cresting at 9.59 feet in Brodhead. There is widespread flooding of lowland and agricultural land in the Brodhead area. Floodwaters cover roads about 6 miles downstream into the Avon Township of Rock County.  Floodwaters are over Highway T which is on the border of Green and Rock Counties.

Flood in DANE, WISCONSIN
From 19-FEB-18 23:00:00 to 21-FEB-18 06:45:00 (CST-6)
Location: MAZOMANIE
Flood cause: Heavy Rain / Snow Melt
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land including some roads. The flooding was most concentrated over the southern portion of the county.

Flood in LAFAYETTE, WISCONSIN
From 20-FEB-18 03:31:00 to 22-FEB-18 12:58:00 (CST-6)
Location: YELLOWSTONE LAKE STATE PARK
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The east branch of the Pecatonica River in Blanchardville reached major flood stage, cresting at 16.02 feet. McKellar Park was completely flooded including the swimming pool, tennis courts, and football field. Highway H in Blanchardville was flooded and closed.

Flood in ROCK, WISCONSIN
From 20-FEB-18 02:20:00 to 28-FEB-18 17:00:00 (CST-6)
Location: AVON
Flood cause: Heavy Rain / Snow Melt
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Sugar River flooded from Green County into Rock County. The Avon Bottoms State Natural Area and Sugar River Park is flooded, including County Road T, which is the border of Green and Rock County.

Flood in GREEN, WISCONSIN
From 21-FEB-18 01:34:00 to 22-FEB-18 10:39:00 (CST-6)
Location: ATTICA
Flood cause: Heavy Rain / Snow Melt
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Sugar River reached moderate flood stage, cresting at 13.88 feet in Albany. Floodwaters cover a low spot on Highway EE near Albany Wildlife Area about 2 miles north of Albany. Floodwaters get into the basements of some homes along South Water Street and in the basements of a few businesses on North Water Street in downtown Albany. Floodwaters affect the back yards of a few homes along South Mill Street. Floodwaters are into Village Park.

Flood in GREEN, WISCONSIN
From 20-FEB-18 02:45:00 to 28-FEB-18 23:59:00 (CST-6)
Location: BROWNTOWN
Flood cause: Heavy Rain / Snow Melt
Property damage: 120.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Pecatonica River in Martintown crested at 20.07 ft., which is moderate flood stage.
Some homes in the Martintown area have floodwaters in their basements and first floors; Martintown Road and West River Road in Martintown are flooded as is Highway 73 about 1 mile downstream in Winslow, Illinois. Highways MM and West Indies Road upstream in the Browntown area are flooded. Road damage did occur to some of the flooded roads and will require repair.

Flood in COLUMBIA, WISCONSIN
From 20-FEB-18 09:09:00 to 21-FEB-18 06:47:00 (CST-6)
Location: LODI
Flood cause: Heavy Rain / Snow Melt
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spring Creek in Lodi reached major flood stage, cresting at 7.90 ft. There was widespread flooding in Goeres Park and Habermann Park, including the baseball diamond.

Flood in LAFAYETTE, WISCONSIN
From 20-FEB-18 10:15:00 to 21-FEB-18 06:45:00 (CST-6)
Location: BENTON
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land including some roads.

Flood in MILWAUKEE, WISCONSIN
From 19-FEB-18 20:00:00 to 21-FEB-18 06:45:00 (CST-6)
Location: GRANVILLE
Flood cause: Heavy Rain / Snow Melt
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding of lowland and some highways and roads. Some travel lanes closed on I-894/41 near Cleveland Ave. due to standing water.

Flood in WALWORTH, WISCONSIN
From 20-FEB-18 13:00:00 to 21-FEB-18 06:45:00 (CST-6)
Location: WHITEWATER
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land including some roads.

Flood in ROCK, WISCONSIN
From 19-FEB-18 22:00:00 to 21-FEB-18 06:45:00 (CST-6)
Location: AVON
Flood cause: Heavy Rain / Snow Melt
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land countywide, including numerous road closures. Street flooding in Janesville and Beloit. Multiple vehicles stranded in high water. A gas station in Beloit was closed due to high water.

Flood in RACINE, WISCONSIN
From 20-FEB-18 14:30:00 to 21-FEB-18 06:45:00 (CST-6)
Location: CALDWELL
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land including some roads.

Flood in KENOSHA, WISCONSIN
From 20-FEB-18 14:30:00 to 21-FEB-18 06:45:00 (CST-6)
Location: TWIN LAKES
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land including some roads.

Flood in GREEN, WISCONSIN
From 19-FEB-18 22:00:00 to 21-FEB-18 06:45:00 (CST-6)
Location: POSTVILLE
Flood cause: Heavy Rain / Snow Melt
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding of lowland and agricultural land countywide, including numerous road closures. Some damage to roads with repairs necessary. Some basement flooding. Water several inches deep in portions of Monticello. The entire Sugar River State bike trail was closed due to flooding and erosion. The greatest flooding in the county was near the Sugar and Pecatonica Rivers. A State of Emergency was declared for the county.

Flood in ROCK, WISCONSIN
From 20-FEB-18 09:02:00 to 21-FEB-18 23:24:00 (CST-6)
Location: BELOIT JCT
Flood cause: Heavy Rain / Snow Melt
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Turtle Creek at Beloit reached moderate flood stage and crested at 11.70 feet. Floodwaters are in the back yards of some homes on Shopiere Road about 3 miles northeast of downtown Beloit, and on Arrowhead Drive and Luety Parkway. Colley Road is closed between Sager Lane and Sherwood Drive. Floodwaters surround a power substation on Colley Road in Beloit. Floodwaters are in the backyards of some homes on East Ridge Road, Moccasin Trail, and in the Turtle Creek subdivision. Parts of Bootmaker Drive and Moccasin Trail are flooded and closed.  Parts of Athletic Avenue and Hancock Streets are closed. About 7 miles northeast of Beloit in the Town of Turtle, Sweet-Allyn Park on Highway J is flooded and closed. In the Town of Tiffany about 8 miles northeast of Beloit, floodwaters are in the back yards of some homes on East Creek Road.

Flood in ROCK, WISCONSIN
From 20-FEB-18 10:25:00 to 21-FEB-18 15:50:00 (CST-6)
Location: (JVL)ROCK CO ARPT JA
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Rock River near Afton rose from 4 ft. to moderate flood stage at 11.12 ft. in a 24 hour period. The sudden surge in the river level was due to abundant runoff from heavy rain falling on a frozen ground. There may have been an ice jam that formed upstream and then released.
Floodwaters affected Riverside Park and South River Road in Janesville, in addition to  widespread lowland and agricultural flooding in the Afton and Janesville areas. Floodwaters affected a home on South Christian Road on the east side of the river in the Afton area.