Flash Flood in Washington County, Missouri

Flash Flood March 7, 2026 · Washington County, Missouri

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

What the National Weather Service wrote

Heavy rain caused Germania Road (listed as St. Francois Road on Google Maps) to flood along the Washington - St. Francois county line.

The wider storm

Remnant convection from the southern Plains entered central Missouri during the evening of March 6th. These thunderstorms congealed into a QLCS and produced wind damage in Boone County. Antecedent saturated conditions paired with an inch to two inches of additional rain also caused isolated flash flooding in southeast Missouri.

Began near Irondale (37.8700, -90.6400).

Source: NOAA Storm Events Database, event 1319950. Narratives are written by the National Weather Service forecast office that issued the report.

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