Interactive NWS Alert

Radar valid at 300 am CDT, Apr 20th 2026

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

ILC067-109-200800-
/O.EXT.KDVN.FL.W.0028.000000T0000Z-260420T0800Z/
/CLMI2.1.ER.260419T1800Z.260419T1800Z.260420T0000Z.NO/
848 AM CDT Sun Apr 19 2026

...FLOOD WARNING NOW IN EFFECT UNTIL LATE TONIGHT...

* WHAT...Minor flooding is forecast.

* WHERE...La Moine River at Colmar.

* WHEN...Until late 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 7:45 AM CDT Sunday the stage was 19.8 feet and slowly
rising.
- Forecast...The river is expected to rise to a crest of 20.0
feet this afternoon. It will then fall below flood stage this
evening.
- Flood stage is 20.0 feet.


&&

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

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.