Interactive NWS Alert

Radar valid at 900 am CDT, Apr 21st 2026

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Illinois... La Moine River at Colmar affecting Hancock and McDonough Counties.

ILC067-109-211400-
/O.NEW.KDVN.FL.W.0029.260420T1805Z-260421T1400Z/
/CLMI2.1.ER.260419T2345Z.260420T1500Z.260421T0600Z.NO/
105 PM CDT Mon Apr 20 2026

...FLOOD WARNING IN EFFECT FROM THIS AFTERNOON TO LATE TOMORROW
MORNING...

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

* WHERE...La Moine River at Colmar.

* WHEN...From this afternoon to late tomorrow morning.

* 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 12:45 PM CDT Monday the stage was 20.2 feet and steady.
- Forecast...The river is expected to rise to a crest of 20.3
feet this evening. It will then fall below flood stage just
after midnight tonight.
- Flood stage is 20.0 feet.


&&

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

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