Flooding in Wisconsin, April 14 to 22, 2026

Name: Flooding in Wisconsin, April 14 to 22, 2026
Start: 2026-04-14T01:00
End: 2026-04-22T06:00
Location: Wisconsin

April 14 to 22, 2026 · NWS ARX · 5 events in 4 counties and zones

Heavy rainfall from multiple rounds of thunderstorms during the middle of April resulted in several area rivers reaching flood stage. Some rivers reached moderate to major flood stage, with the Lemonwier River at New Lisbon approaching its flood of record.

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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
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 ARX wrote it up.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS La Crosse, WI wrote its last area forecast discussion before the first event at Apr 14, 12:17 AM CST, 43 minutes earlier.

Area forecast discussion, Apr 14, 12:17 AM CST, 43 minutes before

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Hazardous weather outlook, Apr 13, 9:07 PM CST, 3 hours 53 minutes before

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In the hours before

Local storm report, Apr 14, 12:14 AM CST, 46 minutes before

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Local storm report, Apr 14, 12:15 AM CST, 45 minutes before

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Local storm report, Apr 14, 12:16 AM CST, 44 minutes before

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Local storm report, Apr 14, 12:20 AM CST, 40 minutes before

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Local storm report, Apr 14, 12:22 AM CST, 38 minutes before

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Local storm report, Apr 14, 12:30 AM CST, 30 minutes before

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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, Jackson

When: April 14, 1:00 AM CST to April 15, 10:00 PM CST
Where: Jackson County, 45.35 mi WNW of Strongs Prairie to 45.15 mi WNW of Strongs Prairie
Cause: Heavy Rain
Reported by: River/Stream Gage
Coordinates: 44.306, -90.834

Heavy rainfall from multiple rounds of storms during the middle of April resulted in the Black River at Black River Falls entering flood stage just after midnight on April 14th. The river crested in moderate flood stage during the afternoon hours on the 14th before falling below flood stage during the late evening hours on the 15th.

Flood, Juneau

When: April 14, 7:00 PM CST to April 21, 3:00 PM CST
Where: Juneau County, 0.45 mi E of New Lisbon to 0.4 mi E of New Lisbon
Cause: Heavy Rain
Reported by: River/Stream Gage
Coordinates: 43.880, -90.161

Heavy rain due to repeated rounds of thunderstorms during the middle of April resulted in the Lemonweir River at New Lisbon reaching flood stage during the evening hours on April 14th. The river crested in major flood stage and near the flood of record during the evening hours on April 16th before falling below flood stage during the afternoon on April 21st.

Flood, Trempealeau

When: April 15, 1:30 PM CST to April 18, 7:30 AM CST
Where: Trempealeau County, 1.46 mi S of Butman Corners to 1.74 mi SW of Butman Corners
Cause: Heavy Rain
Reported by: River/Stream Gage
Coordinates: 44.059, -91.285

Heavy rain from multiple rounds of thunderstorms during the middle of April contributed to the Black River at Galesville rising into flood stage during the afternoon hours on April 15th. The river crested in moderate flood stage during the morning hours on April 16th before falling below flood stage during the morning hours on April 18th.

Flood, Juneau

When: April 15, 3:30 PM CST to April 22, 6:00 AM CST
Where: Juneau County, 0.44 mi ESE of Necedah to 0.49 mi ESE of Necedah
Cause: Heavy Rain
Reported by: River/Stream Gage
Coordinates: 44.026, -90.073

Heavy rainfall from multiple rounds of thunderstorms during the middle of April resulted in the Yellow River at Necedah rising into flood stage during the afternoon hours on April 15th. The river then crested in major flood stage during the late evening hours on April 16th before falling below flood stage during the morning hours on April 22nd.

Flood, Grant

When: April 18, 1:00 AM CST to April 21, 7:30 AM CST
Where: Grant County, 2.5 mi NE of Muscoda to 2.41 mi ENE of Muscoda
Cause: Heavy Rain
Reported by: River/Stream Gage
Coordinates: 43.201, -90.409

Heavy rainfall from multiple rounds of thunderstorms during the middle of April resulted in the Wisconsin River at Muscoda rising into flood stage during the early morning hours on April 18th. The river crested in minor flood stage on April 19th during the early morning before falling below flood stage during the morning on April 21st.

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

Every storm in Wisconsin in 2026 Every state in 2026 This day in weather history Warnings in Wisconsin, April 2026

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: 1334690, 1334692, 1334691, 1334693, 1334694.