Active Weather Alerts
River Flood Warning
Issued: 1:40 AM Oct. 5, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE FRIDAY NIGHT... * WHAT...Minor flooding is occurring. * WHERE...Iowa River at Marengo. * WHEN...Until late Friday night. * 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 Sunday the stage was 15.5 feet. - Forecast...The river is expected to rise to a crest of 16.9 feet early Thursday afternoon. It will then fall below flood stage Friday evening. - Flood stage is 15.0 feet. &&
Local Radar