Flash Flood — Washington, Iowa

2025-07-20 · near Washington, Washington, Iowa

Event narrative

A trained spotter and law enforcement reported that an underpass on 2nd Ave is flooded and impassable.

Wider weather episode

A decaying mesoscale convective system moved into eastern Iowa during the morning hours of July 20th. These showers and storms produced heavy rain with trained spotters reporting 1 to 3 inches of rain. This lead to flash flooding in parts of Washington, Louisa, and Muscatine Counties.

View location on OpenStreetMap → (41.3000, -91.6900)

Source: NOAA Storm Events Database, event_id 1282239. Narrative written by the NWS forecast office that issued the report.