Active Weather Alerts
River Flood Warning
Issued: 12:45 AM Aug. 18, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY TOMORROW AFTERNOON... * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Mackinaw River near Congerville. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 13.0 feet, Widespread agricultural flooding occurs. * ADDITIONAL DETAILS... - At 6:45 PM CDT Monday the stage was 14.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:45 PM CDT Monday was 14.6 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 3.5 feet Monday, August 24. - Flood stage is 13.0 feet. - http://www.weather.gov/safety/flood && Fld Observed Forecasts (7 pm CDT) Location Stg Stg Day/Time Tue Wed Thu Mackinaw River Congerville 13.0 14.6 Mon 6 pm CDT 9.2 6.5 5.1 &&
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