Active Weather Alerts
River Flood Warning
Issued: 2:01 AM Oct. 3, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY MORNING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...Until Friday morning. * IMPACTS...At 17.0 feet, Extensive inundation of agricultural land. * ADDITIONAL DETAILS... - At 8:00 PM CDT Friday the stage was 15.6 feet. - Forecast...The river will fall to 15.4 feet early tomorrow afternoon. It will then rise to 16.4 feet Monday evening. It will fall below flood stage late Thursday evening. - Flood stage is 15.0 feet. &&
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