Active Weather Alerts
River Flood Warning
Issued: 2:02 AM Apr. 7, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM LATE WEDNESDAY NIGHT TO EARLY SUNDAY MORNING... * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...From late Wednesday night to early Sunday morning. * 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 Monday the stage was 14.3 feet. - Forecast...The river is expected to rise above flood stage early Thursday morning to a crest of 16.1 feet early Saturday morning. It will then fall below flood stage Saturday evening. - Flood stage is 15.0 feet. &&
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