Interactive NWS Alert

Radar valid at 700 pm CDT, Apr 20th 2026

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

ILC067-109-200130-
/O.EXT.KDVN.FL.W.0028.000000T0000Z-260421T0000Z/
/CLMI2.1.ER.260419T1440Z.260420T0000Z.260420T1600Z.NO/
828 PM CDT Sat Apr 18 2026

...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY EVENING...

* WHAT...Minor flooding is forecast.

* WHERE...La Moine River at Colmar.

* WHEN...Until Monday evening.

* IMPACTS...At 20.0 feet, Water affects the lowest portions of
Lambert Road and affects Lamar Road approximately 100 feet north
of the intersection with County Road 26.

* ADDITIONAL DETAILS...
- At 7:45 PM CDT Saturday the stage was 19.5 feet and rising
slowly.
- Forecast...The river is expected to rise above flood stage
late tomorrow morning to a crest of 20.9 feet tomorrow
evening. It will then fall below flood stage late Monday
morning.
- Flood stage is 20.0 feet.


&&

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

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