Flash Flood — Buchanan, Iowa

2025-07-23 · near Winthrop, Buchanan, Iowa

Event narrative

Law Enforcement Officers report water flowing over the roadway.

Wider weather episode

Thunderstorms that develop late in the evening on July 22nd moved into Buchanan County around midnight and continue into the early morning hours. A warm and humid airmass led to heavy rain. The heavy rain led to flash flooding north of Winthrop in Buchanan County.

View location on OpenStreetMap → (42.5300, -91.7300)

Source: NOAA Storm Events Database, event_id 1282376. Narrative written by the NWS forecast office that issued the report.