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Flood Warning — Cass County, IL, Fulton County, IL, Mason County, IL
Flood Warning
Issued
Expires
Issuing Office
NWS KILX

Affected Areas

Cass County, IL Fulton County, IL Mason County, IL

Official Bulletin

006
WGUS83 KILX 161507
FLSILX

Flood Statement
National Weather Service Lincoln IL
1007 AM CDT Sun Aug 16 2026

...The Flood Warning continues for the following rivers in
Illinois...

  Illinois River at Havana affecting Fulton, Cass and Mason Counties.
  Illinois River at Beardstown affecting Schuyler, Cass, Brown and
  Morgan Counties.

.River levels continue to rise from the recent heavy rain. Flooding
at Havana is expected to crest late this week near moderate flood
stage. Flooding at Beardstown is expected to develop Tuesday morning.

The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with interests along this river need to remain aware of the
latest forecasts and associated flood risk for their area. Stay
tuned for further updates on this flooding situation.

Additional information is available at www.weather.gov.

&&

ILC017-057-125-170715-
/O.CON.KILX.FL.W.0037.000000T0000Z-000000T0000Z/
/HAVI2.2.ER.260816T0245Z.260822T0000Z.000000T0000Z.NO/
1007 AM CDT Sun Aug 16 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

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

* WHERE...Illinois River at Havana.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 9:45 AM CDT Sunday the stage was 14.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:45 AM CDT Sunday was 14.7 feet.
  - Forecast...The river is expected to rise to a crest of 17.0
    feet Friday evening.
  - Flood stage is 14.0 feet.

&&

              Fld   Observed           Forecasts (1 pm CDT)
Location      Stg   Stg   Day/Time     Mon   Tue   Wed

Illinois River
Havana        14.0  14.7  Sun 9 am CDT 15.4  15.9  16.3

&&

LAT...LON 4053 8988 4047 8980 4034 9002 4012 9017
      4018 9023 4039 9010

$$

ILC009-017-137-169-170715-
/O.CON.KILX.FL.W.0038.260818T1200Z-000000T0000Z/
/BEAI2.1.ER.260818T1200Z.260823T0600Z.000000T0000Z.NO/
1007 AM CDT Sun Aug 16 2026

...FLOOD WARNING REMAINS IN EFFECT FROM TUESDAY MORNING UNTIL
FURTHER NOTICE...

* WHAT...Minor flooding is forecast.

* WHERE...Illinois River at Beardstown.

* WHEN...From Tuesday morning until further notice.

* IMPACTS...At 14.4 feet, Seepage problems begin in the Coal Creek
  Drainage and Levee District.

* ADDITIONAL DETAILS...
  - At 9:45 AM CDT Sunday the stage was 12.2 feet.
  - Forecast...The river is expected to rise above flood stage
    Tuesday morning and continue rising to 16.2 feet Sunday,
    August 23. Additional rises are possible thereafter.
  - Flood stage is 14.0 feet.

&&

              Fld   Observed           Forecasts (1 pm CDT)
Location      Stg   Stg   Day/Time     Mon   Tue   Wed

Illinois River
Beardstown    14.0  12.2  Sun 9 am CDT 13.3  14.2  15.0

&&

LAT...LON 4018 9023 4012 9017 4008 9037 3999 9046
      3999 9058 4015 9043

$$

Geelhart