Active Weather Alerts
River Flood Warning
Issued: 3:49 PM Apr. 5, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM TUESDAY MORNING TO SUNDAY, APRIL 12... * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...From Tuesday morning to Sunday, April 12. * IMPACTS...At 16.0 feet, Water affects agricultural land along the river. Water is several feet deep in places. * ADDITIONAL DETAILS... - At 10:00 AM CDT Sunday the stage was 13.7 feet and slowly rising. - Forecast...The river is expected to rise above flood stage late Tuesday morning to a crest of 16.2 feet Friday evening. It will then fall below flood stage Saturday evening. - Flood stage is 15.0 feet. &&
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