Hail — Trempealeau, Wisconsin

2025-05-15 · near Trempealeau, Trempealeau, Wisconsin

Event narrative

The public reported quarter sized hail 1 mile northwest of Trempealeau.

Wider weather episode

During the afternoon hours on May 15th, a developing complex of embedded supercell thunderstorms moved eastward into western Wisconsin. As they continued to intensify, they resulted in widespread hail of up to two inches in diameter across much of western Wisconsin and four tornadoes in Clark County. The strongest of these tornadoes was an EF-2 near Colby, Wisconsin where numerous power poles were downed and one home sustained significant damage to its roof and attached garage.

View location on OpenStreetMap → (44.0100, -91.4500)

Source: NOAA Storm Events Database, event_id 1264967. Narrative written by the NWS forecast office that issued the report.