Active Weather Alerts
River Flood Warning
Issued: 2:40 PM Oct. 3, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...Until Friday evening. * IMPACTS...At 17.0 feet, Extensive inundation of agricultural land. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 15.5 feet. - Forecast...The river is expected to rise to a crest of 16.9 feet early Thursday morning. It will then fall below flood stage late Friday morning. - Flood stage is 15.0 feet. &&
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