Interactive NWS Alert

Radar valid at 540 am CDT, Aug 18th 2026

...The Flood Warning continues for the following rivers in Illinois... La Moine River at Colmar affecting McDonough and Hancock Counties.

ILC067-109-170130-
/O.EXT.KDVN.FL.W.0064.000000T0000Z-260818T1040Z/
/CLMI2.2.ER.260815T1400Z.260817T0000Z.260818T0240Z.NO/
824 PM CDT Sat Aug 15 2026

...FLOOD WARNING NOW IN EFFECT UNTIL LATE MONDAY NIGHT...

* WHAT...Minor flooding is occurring and moderate flooding is
forecast.

* WHERE...La Moine River at Colmar.

* WHEN...Until late Monday night.

* IMPACTS...At 22.5 feet, Water affects lower roads around
Birmingham.

* ADDITIONAL DETAILS...
- At 7:45 PM CDT Saturday the stage was 20.5 feet.
- Forecast...The river is expected to rise to a crest of 23.0 feet
tomorrow evening. It will then fall below flood stage late Monday
evening.
- Flood stage is 20.0 feet.


&&

LAT...LON 4043 9093 4024 9074 4013 9066 4013 9072
4041 9102

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