Active Weather Alerts
River Flood Warning
Issued: 1:50 AM Apr. 17, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY AFTERNOON... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...Until Tuesday afternoon. * IMPACTS...At 16.0 feet, Water affects agricultural land along the river. Water is several feet deep in places. * ADDITIONAL DETAILS... - At 8:00 PM CDT Thursday the stage was 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Thursday was 15.1 feet. - Forecast...The river will fall below flood stage just after midnight tonight to 14.8 feet early tomorrow afternoon. It will then rise above flood stage early Saturday morning to 15.8 feet Monday morning. It will fall below flood stage again Tuesday morning. - Flood stage is 15.0 feet. &&
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