Interactive NWS Alert

Radar valid at 245 am CDT, Apr 20th 2026

...Observed flooding changed to Minor severity and increased in duration for the following rivers in Illinois... La Moine River at Colmar affecting Hancock and McDonough Counties.

ILC067-109-200745-
/O.EXT.KDVN.FL.W.0028.000000T0000Z-260420T0745Z/
/CLMI2.1.ER.260419T2345Z.260419T2345Z.260419T2345Z.NO/
744 PM CDT Sun Apr 19 2026

...FLOOD WARNING NOW IN EFFECT UNTIL JUST AFTER MIDNIGHT TONIGHT...

* WHAT...Minor flooding is occurring.

* WHERE...La Moine River at Colmar.

* WHEN...Until just after midnight tonight.

* 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 6:45 PM CDT Sunday the stage was 20.0 feet and slowly
rising.
- Recent Activity...The river is approaching a crest.
- Forecast...The river is expected to fall to 6.3 feet Sunday,
April 26.
- Flood stage is 20.0 feet.


&&

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

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