Flash Flood in Washington County, Iowa

Flash Flood July 20, 2025 · Washington County, Iowa

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

What the National Weather Service wrote

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

The wider storm

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.

Began near Washington (41.3000, -91.6900).

Source: NOAA Storm Events Database, event 1282239. Narratives are written by the National Weather Service forecast office that issued the report.

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