Interactive NWS Alert

Radar valid at 135 pm CDT, Aug 18th 2026

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

ILC067-109-181845-
/O.EXT.KDVN.FL.W.0064.000000T0000Z-260818T1835Z/
/CLMI2.2.ER.260815T1400Z.260817T1030Z.260818T1035Z.NO/
742 PM CDT Mon Aug 17 2026

...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY AFTERNOON...

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

* WHERE...La Moine River at Colmar.

* WHEN...Until Tuesday afternoon.

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

* ADDITIONAL DETAILS...
- At 6:45 PM CDT Monday the stage was 21.8 feet.
- Forecast...The river is expected to fall below flood stage late
tonight and continue falling to 4.3 feet Monday, August 24.
- Flood stage is 20.0 feet.


&&

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

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