Flood in Grant County, Wisconsin

Flood April 18, 2026 – April 21, 2026 · Grant County, Wisconsin

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

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.

The wider storm

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.

Began near Muscoda (43.2006, -90.4091).

Source: NOAA Storm Events Database, event 1334694. Narratives are written by the National Weather Service forecast office that issued the report.

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