Active Weather Alerts
River Flood Warning
Issued: 1:14 AM Oct. 6, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SATURDAY AFTERNOON... * WHAT...Minor flooding is occurring. * WHERE...Iowa River at Marengo. * WHEN...Until Saturday 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 Monday the stage was 15.6 feet. - Forecast...The river is expected to rise to a crest of 16.6 feet Thursday evening. It will then fall below flood stage Saturday morning. - Flood stage is 15.0 feet. &&
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