Severe · Flood WarningActive alert

Flood Warning issued September 17 at 9:35PM CDT until September 19 at

Affecting Polk, IA; Warren, IA

In effect until: Sep 18, 2026, 2:45 PM

Polk, IA; Warren, IA

Likely impact across 2 counties in IA; effects through 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 National Weather Service in Des Moines has issued a Flood
Warning for the following rivers in Iowa...

North River near Norwalk Hwy R57 affecting Warren and Polk
Counties.

* WHAT...Minor flooding is forecast.

* WHERE...North River near Norwalk Hwy R57, or from the
Madison-Warren County line to the Des Moines River.

* WHEN...From late tonight to Saturday afternoon.

* IMPACTS...At 22.0 feet, Water is over Iowa 28 immediately south of
Norwalk and threatens several rural gravel roads.

* ADDITIONAL DETAILS...
- At 9:15 PM CDT Thursday the stage was 21.9 feet, and falling.
- Forecast...The river is expected to rise above flood stage just
after midnight tonight to a crest of 22.2 feet early tomorrow
afternoon. It will then fall below flood stage late Saturday
morning.
- Flood stage is 22.0 feet.

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

Flood Warning issued September 17 at 9:35PM CDT until September 19 at

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