Flash Flood — Winneshiek, Iowa

2025-08-18 · near Decorah Muni Arpt, Winneshiek, Iowa

Event narrative

Law enforcement reported water over Trout Run road roughly 1 mile west of Decorah.

Wider weather episode

Repeated rounds of rain led to increased saturation in soils during the month of August. As a result, when additional training storms moved over northeast Iowa during the morning hours on August 18th, numerous roads were flooded in Chickasaw and Winneshiek counties.

View location on OpenStreetMap → (43.2800, -91.7700)

Source: NOAA Storm Events Database, event_id 1289336. Narrative written by the NWS forecast office that issued the report.