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Flood Watch — Hancock, IL, McDonough, IL
Flood Watch
Issued
10:09 AM CDT · Mon, Jun 22 2026
Expires
1:54 AM CDT · Thu, Jun 25 2026
Issuing Office
NWS KDVN

Affected Areas

Hancock, IL McDonough, IL

Official Bulletin

205
WGUS63 KDVN 211521
FFADVN

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Quad Cities IA IL
1021 AM CDT Sun Jun 21 2026

...Forecast flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Illinois...

  La Moine River at Colmar affecting Hancock and McDonough Counties.

.Heavy rainfall on the La Moine River basin may produce flooding on
portions of the river.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Residents and those with interests near the river should monitor
rising water levels and be prepared for possible flood warnings.

If you are in the watch area, remain alert to possible flooding.

The next statement will be issued by Monday morning at 1030 AM CDT.

&&

ILZ034-035-221530-
/O.EXT.KDVN.FL.A.0020.260622T1509Z-260625T0654Z/
/CLMI2.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1021 AM CDT Sun Jun 21 2026

...FLOOD WATCH NOW IN EFFECT FROM MONDAY MORNING TO EARLY THURSDAY
MORNING...

* WHAT...Flooding is possible.

* WHERE...La Moine River at Colmar.

* WHEN...From Monday morning to early Thursday morning.

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

* ADDITIONAL DETAILS...
  - At 9:45 AM CDT Sunday the stage was 9.9 feet.
  - Forecast...Flood stage may be reached late tomorrow morning.
  - Flood stage is 20.0 feet.

&&

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

$$

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