Active Weather Alerts
River Flood Warning
Issued: 3:08 PM Jul. 20, 2025 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...Until further notice. * IMPACTS...At 16.0 feet, Flood Stage. Water affects agricultural land along the river. Water is several feet deep in places. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 13.9 feet. - Recent Activity...The river is rising. - Forecast...The river will rise above flood stage to 15.1 feet early tomorrow afternoon. It will then fall below flood stage early Tuesday morning to 14.7 feet. It will rise above flood stage again early Wednesday afternoon to 16.0 feet early Saturday morning. - Flood stage is 15.0 feet. &&
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