Severe · Flood WarningActive alert
Flood Warning issued September 20 at 7:31PM CDT until September 21 at
Affecting Benton, IA; Iowa, IA
In effect until: Sep 21, 2026, 8:00 PM
Benton, IA; Iowa, IA
Confirmed across 2 counties in IA; expires 8:00 PM.
Avoid flooded areas. Move to higher ground if water is rising near you.
Read the original bulletin (official text)
...The Flood Warning continues for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. Iowa River near Lone Tree affecting Louisa, Washington and Johnson Counties. English River at Kalona affecting Washington and Johnson Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...Until Monday afternoon. * IMPACTS...At 15.0 feet, Water reaches the bottom of the levee surrounding Marengo. Water affects low lying agricultural land along the river * ADDITIONAL DETAILS... - At 6:15 PM CDT Sunday the stage was 14.5 feet. - Forecast...The river is expected to rise to a crest of 15.0 feet tomorrow morning. - Flood stage is 15.0 feet.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™