Interactive NWS Alert

Radar valid at 100 pm CDT, Jun 23rd 2026

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

ILC067-109-230200-
/O.EXT.KDVN.FL.W.0051.260622T0158Z-260623T1800Z/
/CLMI2.1.ER.260622T0039Z.260622T0600Z.260623T1000Z.NO/
858 PM CDT Sun Jun 21 2026

...FLOOD WARNING NOW IN EFFECT FROM THIS EVENING TO EARLY TUESDAY
AFTERNOON...

* WHAT...Minor flooding is occurring.

* WHERE...La Moine River at Colmar.

* WHEN...From this evening to early 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.

* ADDITIONAL DETAILS...
- At 7:45 PM CDT Sunday the stage was 20.0 feet.
- Forecast...The river is expected to rise to a crest of 20.6
feet just after midnight tonight. It will then fall below
flood stage early Tuesday morning.
- Flood stage is 20.0 feet.


&&

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

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