Back to Home
Flood Warning — Adams County, IL, Lewis County, MO
Flood Warning
Issued
1:00 AM CDT · ven., sept. 25 2026
Expires
1:00 AM CDT · dim., sept. 27 2026
Issuing Office
NWS KLSX

Affected Areas

Adams County, IL Lewis County, MO

Official Bulletin

632
WGUS83 KLSX 211723
FLSLSX

Flood Statement
National Weather Service St Louis MO
1223 PM CDT Mon Sep 21 2026

...The Flood Warning is extended for the following rivers in
Missouri...Illinois...

  Mississippi River at Canton.

  Mississippi River at Clarksville.

  Mississippi River at Saverton.

  Mississippi River at Winfield.

  Mississippi River at Hannibal.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

This product, along with additional weather and stream information,
is available at https://water.noaa.gov/wfo/lsx

&&

ILC001-MOC111-230530-
/O.EXT.KLSX.FL.W.0109.260924T1200Z-260927T2100Z/
/CANM7.1.ER.260924T1200Z.260925T1200Z.260926T1500Z.NO/
1223 PM CDT Mon Sep 21 2026

...FLOOD WARNING NOW IN EFFECT FROM THURSDAY MORNING TO SUNDAY
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Canton.

* WHEN...From Thursday morning to Sunday afternoon.

* IMPACTS...At 15.6 feet, North Front Street and the first 2-3
  campsites in Mississippi Park begin flooding at this height.

* ADDITIONAL DETAILS...
  - At 10:00 AM CDT Monday the stage was 10.2 feet.
  - Forecast...The river is expected to rise above flood stage
    Thursday morning to a crest of 15.8 feet Friday morning. It will
    then fall below flood stage late Saturday morning.
  - Flood stage is 15.0 feet.

&&

All Times CDT    Fld   Observed  Forecasts (1 pm)
Location         Stg     Stage   Tue   Wed   Thu   Fri   Sat

Mississippi River
 Canton          15.0    10.2    12.1  13.7  15.3  15.8  14.8

&&

LAT...LON 4022 9154 4022 9142 4008 9139 4008 9153

$$

ILC013-MOC163-230530-
/O.EXT.KLSX.FL.W.0110.260924T1312Z-260929T0142Z/
/CLKM7.1.ER.260924T1312Z.260926T0600Z.260927T1942Z.NO/
1223 PM CDT Mon Sep 21 2026

...FLOOD WARNING NOW IN EFFECT FROM THURSDAY MORNING TO MONDAY
EVENING...

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Clarksville.

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

* IMPACTS...At 27.2 feet, Silo Park just northwest of Clarksville off
  Highway 79 begins flooding.

* ADDITIONAL DETAILS...
  - At 12:00 PM CDT Monday the stage was 19.8 feet.
  - Forecast...The river is expected to rise above flood stage
    Thursday morning to a crest of 27.3 feet early Saturday morning.
    It will then fall below flood stage early Sunday afternoon.
  - Flood stage is 25.0 feet.

&&

All Times CDT    Fld   Observed  Forecasts (1 pm)
Location         Stg     Stage   Tue   Wed   Thu   Fri   Sat

Mississippi River
 Clarksville     25.0    19.8    21.7  23.5  25.4  27.0  27.1

&&

LAT...LON 3939 9097 3946 9088 3940 9081 3932 9075
      3925 9071 3925 9083 3930 9090 3932 9088
      3936 9092 3935 9095

$$

ILC149-MOC173-230530-
/O.EXT.KLSX.FL.W.0111.260924T1424Z-260928T0712Z/
/SVRM7.1.ER.260924T1424Z.260925T1200Z.260927T0112Z.NO/
1223 PM CDT Mon Sep 21 2026

...FLOOD WARNING NOW IN EFFECT FROM THURSDAY MORNING TO LATE SUNDAY
NIGHT...

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Saverton.

* WHEN...From Thursday morning to late Sunday night.

* IMPACTS...At 15.5 feet, An access road to riverside raised homes on
  the riverward side of the Sny levee begins to flood near this
  level.

* ADDITIONAL DETAILS...
  - At 12:00 PM CDT Monday the stage was 10.8 feet.
  - Forecast...The river is expected to rise above flood stage late
    Thursday morning to a crest of 17.2 feet Friday morning. It will
    then fall below flood stage Saturday evening.
  - Flood stage is 16.0 feet.

&&

All Times CDT    Fld   Observed  Forecasts (1 pm)
Location         Stg     Stage   Tue   Wed   Thu   Fri   Sat

Mississippi River
 Saverton        16.0    10.8    12.6  14.3  16.3  17.2  16.5

&&

LAT...LON 3967 9132 3974 9121 3970 9114 3953 9099
      3946 9110 3960 9122

$$

ILC013-MOC113-230530-
/O.EXT.KLSX.FL.W.0114.260924T2248Z-260928T2136Z/
/CAGM7.1.ER.260924T2248Z.260926T0600Z.260927T1536Z.NO/
1223 PM CDT Mon Sep 21 2026

...FLOOD WARNING NOW IN EFFECT FROM THURSDAY AFTERNOON TO MONDAY
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Winfield.

* WHEN...From Thursday afternoon to Monday afternoon.

* IMPACTS...At 23.0 feet, A few local islands begin to flood. At 27.5
  feet, At this stage, Lock and Dam 25 will stockpile 200 tons of
  sand, 12,000 sandbags, and 10,000 square feet of polyethylene
  plastic as a precaution.

* ADDITIONAL DETAILS...
  - At 12:00 PM CDT Monday the stage was 19.0 feet.
  - Forecast...The river is expected to rise above flood stage
    Thursday afternoon to a crest of 27.4 feet early Saturday
    morning. It will then fall below flood stage late Sunday morning.
  - Flood stage is 26.0 feet.

&&

All Times CDT    Fld   Observed  Forecasts (1 pm)
Location         Stg     Stage   Tue   Wed   Thu   Fri   Sat

Mississippi River
 Winfield        26.0    19.0    21.5  23.6  25.6  27.0  27.3

&&

LAT...LON 3925 9083 3925 9071 3912 9065 3896 9065
      3888 9057 3880 9057 3885 9073 3910 9076

$$

ILC149-MOC127-230530-
/O.EXT.KLSX.FL.W.0113.260925T0400Z-260927T1800Z/
/HNNM7.1.ER.260925T0400Z.260925T1800Z.260926T1200Z.NO/
1223 PM CDT Mon Sep 21 2026

...FLOOD WARNING NOW IN EFFECT FROM THURSDAY EVENING TO SUNDAY
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Hannibal.

* WHEN...From Thursday evening to Sunday afternoon.

* IMPACTS...At 17.0 feet, John Hay Recreation Area on east side
  (inside the Illinois Sny Levee) begins flooding.

* ADDITIONAL DETAILS...
  - At 11:15 AM CDT Monday the stage was 13.4 feet.
  - Forecast...The river is expected to rise above flood stage late
    Thursday evening to a crest of 17.4 feet early Friday afternoon.
    It will then fall below flood stage Saturday morning.
  - Flood stage is 17.0 feet.

&&

All Times CDT    Fld   Observed  Forecasts (1 pm)
Location         Stg     Stage   Tue   Wed   Thu   Fri   Sat

Mississippi River
 Hannibal        17.0    13.4    14.4  15.4  16.5  17.4  16.7

&&

LAT...LON 3983 9148 3983 9135 3974 9121 3967 9132
      3969 9134 3968 9139 3971 9136

$$

Jaja