NOAA logo  
alert map
Radar valid at 107 pm CDT, Aug 18th 2026

alert legend

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Skunk River at Augusta affecting Des Moines, Henry IA and Lee Counties. La Moine River at Colmar affecting McDonough and Hancock Counties.

ILC067-109-181400-
/O.EXT.KDVN.FL.W.0064.000000T0000Z-260818T1807Z/
/CLMI2.2.ER.260815T1400Z.260817T1030Z.260818T1007Z.NO/
848 AM CDT Mon Aug 17 2026

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

* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.

* WHERE...La Moine River at Colmar.

* WHEN...Until Tuesday afternoon.

* 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.

At 22.5 feet, water affects lower roads around Birmingham.

* ADDITIONAL DETAILS...
- At 7:45 AM CDT Monday the stage was 22.1 feet.
- Forecast...The river is cresting and will then fall below flood
stage late tonight.
- 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.