Severe · Flood WarningActive alert

Flood Warning issued October 1 at 9:45AM CDT until October 4 at

Affecting Johnson, IA; Louisa, IA; Washington, IA

In effect until: Oct 2, 2026, 2:45 PM

Johnson, IA; Louisa, IA; Washington, IA

Confirmed across 3 counties in IA; expires 2:45 PM.

Avoid flooded areas. Move to higher ground if water is rising near you.

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Read the original bulletin (official text)

...The Flood Warning is extended for the following rivers in Iowa...

Iowa River at Wapello affecting Louisa County.

Iowa River at Oakville affecting Louisa County.

...The Flood Warning continues for the following rivers in Iowa...

Iowa River near Lone Tree affecting Washington, Johnson and Louisa
Counties.

Iowa River at Marengo affecting Benton and Iowa Counties.

* WHAT...Minor flooding is forecast.

* WHERE...Iowa River near Lone Tree.

* WHEN...From Friday morning to Sunday evening.

* IMPACTS...At 18.0 feet, Sand Road closes south of 520th Street to
the Highway 22 intersection.

* ADDITIONAL DETAILS...
- At 9:00 AM CDT Thursday the stage was 15.3 feet.
- Forecast...The river will rise above flood stage tomorrow morning
to 17.2 feet Saturday evening. It will then fall below flood
stage Sunday morning.
- Flood stage is 16.0 feet.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flood Warning issued October 1 at 9:45AM CDT until October 4 at

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