Wisconsin, 2019

Flooding in Wisconsin, April 1 to 27, 2019

April 1 to 27, 2019 · NWS MKX · 5 events in 4 counties and zones

Flooding from March continued into April although most rivers were declining during April.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
$13,000
Crop damage
None recorded
Events
5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS MKX wrote it up.

Flooding from March continued into April although most rivers were declining during April.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

5 flood. Local standard time, as filed.

Flood, Green Lake

When
April 1, 12:00 AM CST to April 27, 8:45 AM CST
Where
Green Lake County, 1.37 mi SE of Berlin Fld Arpt to 1.38 mi W of Berlin
Cause
Heavy Rain / Snow Melt
Property damage
$5,000
Reported by
Emergency Manager
Coordinates
43.985, -88.952

The Fox River at Berlin remained in flood much of the month after cresting at moderate flood stage toward the end of March. Some homes on Webster St. in Berlin are affected by floodwaters. Riverside and Webster St. parks are flooded.

Flood, Jefferson

When
April 1, 12:00 AM CST to April 6, 12:30 AM CST
Where
Jefferson County, 0.68 mi W of Ft Atkinson to 0.8 mi E of Ft Atkinson
Cause
Heavy Rain / Snow Melt
Property damage
$1,000
Reported by
Emergency Manager
Coordinates
42.928, -88.863

The Rock River at Fort Atkinson crested at moderate flood stage in late March and continued to flood into the 1st week of April. The river walkway in Fort Atkinson is flooded and closed. On the west side of Fort Atkinson, the southern portion of Rock River Park is flooded and Sinissippi Dr. is closed. On the east side of Fort Atkinson, Bark River Rd. from Kutz Road to Rock River Rd. is flooded and closed. Rock River Rd. from highway 106 to the Fort Atkinson city limits is flooded and closed.

Flood, Jefferson

When
April 1, 12:00 AM CST to April 9, 12:45 PM CST
Where
Jefferson County, 1.02 mi SW of Ft Atkinson to 1.99 mi NNE of Lake Koshkonong
Cause
Heavy Rain / Snow Melt
Property damage
$3,000
Reported by
Emergency Manager
Coordinates
42.918, -88.862

The Rock River at Lake Koshkonong crested at major flood stage in late March and continued to flood into April 9th. There is widespread flooding of roads and docks in the Town of Koshkonong and the Town of Sumner including Vets Lane, Blackhawk Island Rd., and Oxbow Bend Rd.

Flood, Rock

When
April 1, 12:00 AM CST to April 12, 4:45 PM CST
Where
Rock County, 1.54 mi ESE of Afton to 0.61 mi SE of Downtown Janesville
Cause
Heavy Rain / Snow Melt
Property damage
$1,000
Reported by
Emergency Manager
Coordinates
42.593, -89.041

The Rock River at Afton crested in late March at minor flood stage. The minor flooding continued until April 12th. Floodwaters affect the property of a home on South Christian Rd. on the east side of the river in the Afton area. Floodwaters affect Riverside Park on the north side of Janesville, and South River Rd. on the south side of Janesville. There is widespread lowland and agricultural flooding in the Afton and Janesville areas.

Flood, Columbia

When
April 1, 12:00 AM CST to April 2, 5:55 AM CST
Where
Columbia County, 1.53 mi WSW of Portage to 2.81 mi SE of Portage
Cause
Heavy Rain / Snow Melt
Property damage
$3,000
Reported by
Emergency Manager
Coordinates
43.539, -89.477

The Wisconsin River at Portage crested at minor flood stage in late March and continued into early April. In the Blackhawk Park area in the Town of Caledonia, Wood St. is affected by floodwaters. Old River Rd. and Blackhawk Rd. is flooded and closed. Near Long Lake, West Lane Rd. and West Lake Rd. are flooded and closed. County Highway V and Oak Knoll Road in the Town of Dekorra have water up to the edge of the pavement. A few homes in the Town of Dekorra have water in the first floor, and there is also flooding of outbuildings and yards.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Wisconsin in 2019Every state in 2019This day in weather historyWarnings in Wisconsin, April 2019

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 842847, 842848, 842849, 842850, 842858.