Active Weather Alerts
River Flood Warning
Issued: 2:09 AM Apr. 8, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM LATE WEDNESDAY NIGHT TO EARLY SATURDAY AFTERNOON... * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...From late Wednesday night to early Saturday afternoon. * IMPACTS...At 16.0 feet, Water affects agricultural land along the river. Water is several feet deep in places. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 14.5 feet. - Forecast...The river is expected to rise above flood stage early Thursday morning to a crest of 15.7 feet Friday morning. It will then fall below flood stage early Saturday morning. - Flood stage is 15.0 feet. &&
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