Flood in Trempealeau County, Wisconsin

Flood April 15, 2026 – April 18, 2026 · Trempealeau County, Wisconsin

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

What the National Weather Service wrote

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.

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 Butman Corners (44.0591, -91.2846).

Source: NOAA Storm Events Database, event 1334691. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.