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Flood Warning — Pike County, MO, Morgan County, IL, Pike County, IL, Brown County, IL, Scott County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL
Flood Warning
Issued
Expires
8:12 AM CDT · Fri, Jun 26 2026
Issuing Office
NWS KLSX

Affected Areas

Pike County, MO Morgan County, IL Pike County, IL Brown County, IL Scott County, IL Calhoun County, IL Greene County, IL Jersey County, IL

Official Bulletin

453
WGUS83 KLSX 220246
FLSLSX

Flood Statement
National Weather Service St Louis MO
946 PM CDT Sun Jun 21 2026

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

  Mississippi River at Louisiana.

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

  Illinois River at Meredosia.

  Illinois River at La Grange LD.

  Illinois River at Valley City.

  Illinois River at Hardin.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive cars
through flooded areas.

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

&&

ILC149-MOC163-231500-
/O.EXT.KLSX.FL.W.0099.000000T0000Z-260626T1312Z/
/LUSM7.1.ER.260619T1645Z.260623T0600Z.260625T0712Z.NO/
946 PM CDT Sun Jun 21 2026

...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY MORNING...

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

* WHERE...Mississippi River at Louisiana.

* WHEN...Until Friday morning.

* IMPACTS...At 15.0 feet, The first quarter mile of Edison Avenue
  beyond the railroad tracks begins flooding near this height.

* ADDITIONAL DETAILS...
  - At 9:30 PM CDT Sunday the stage was 15.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 9:30 PM CDT Sunday was 15.0 feet.
  - Forecast...The river is expected to rise to a crest of 16.3 feet
    early Tuesday morning. It will then fall below flood stage early
    Thursday morning.
  - Flood stage is 15.0 feet.

&&

All Times CDT    Fld   Observed  Forecasts (7 am)
Location         Stg     Stage   Tue   Wed   Thu   Fri   Sat

Mississippi River
 Louisiana       15.0    15.0    16.3  15.9  14.6  12.9  12.2

&&

LAT...LON 3946 9110 3953 9099 3946 9088 3939 9097
      3941 9100 3939 9103

$$

ILC137-149-231500-
/O.CON.KLSX.FL.W.0098.000000T0000Z-000000T0000Z/
/MROI2.1.ER.260620T2100Z.260627T1200Z.000000T0000Z.NO/
946 PM CDT Sun Jun 21 2026

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

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

* WHERE...Illinois River at Meredosia.

* WHEN...Until further notice.

* IMPACTS...At 20.0 feet, Beach Road just north of Shady Acres floods
  near this height.

* ADDITIONAL DETAILS...
  - At 9:30 PM CDT Sunday the stage was 17.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 9:30 PM CDT Sunday was 17.9 feet.
  - Forecast...The river is expected to rise to 20.8 feet Saturday
    morning. Additional rises are possible thereafter.
  - Flood stage is 17.0 feet.

&&

All Times CDT Fld   Observed  Forecasts (7 am)
Location      Stg     Stage   Tue   Wed   Thu   Fri   Sat

Illinois River
 Meredosia    17.0    17.9    19.3  19.8  20.2  20.5  20.8

&&

LAT...LON 3988 9063 3988 9043 3982 9050 3977 9053
      3977 9067 3984 9066

$$

ILC009-231500-
/O.CON.KLSX.FL.W.0097.000000T0000Z-000000T0000Z/
/NLGI2.1.ER.260619T2130Z.260627T0000Z.000000T0000Z.NO/
946 PM CDT Sun Jun 21 2026

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

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

* WHERE...Illinois River at La Grange LD.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 9:00 PM CDT Sunday the stage was 24.4 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 9:00 PM CDT Sunday was 24.4 feet.
  - Forecast...The river is expected to rise to 26.3 feet Friday
    evening. Additional rises are possible thereafter.
  - Flood stage is 23.0 feet.

&&

All Times CDT Fld   Observed  Forecasts (7 am)
Location      Stg     Stage   Tue   Wed   Thu   Fri   Sat

Illinois River
 La Grange LD 23.0    24.4    25.2  25.6  25.9  26.2  26.3

&&

LAT...LON 3999 9058 3999 9046 3988 9043 3988 9063

$$

ILC149-171-231500-
/O.CON.KLSX.FL.W.0093.000000T0000Z-000000T0000Z/
/VALI2.1.ER.260618T1545Z.260627T0000Z.000000T0000Z.NO/
946 PM CDT Sun Jun 21 2026

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

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

* WHERE...Illinois River at Valley City.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 9:30 PM CDT Sunday the stage was 15.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 9:30 PM CDT Sunday was 15.7 feet.
  - Forecast...The river is expected to rise to 18.2 feet Friday
    evening. Additional rises are possible thereafter.
  - Flood stage is 14.0 feet.

&&

All Times CDT Fld   Observed  Forecasts (7 am)
Location      Stg     Stage   Tue   Wed   Thu   Fri   Sat

Illinois River
 Valley City  14.0    15.7    17.0  17.4  17.8  18.0  18.2

&&

LAT...LON 3977 9067 3977 9053 3969 9056 3962 9052
      3952 9051 3952 9059 3964 9062 3965 9066
      3967 9065

$$

ILC013-061-083-231500-
/O.CON.KLSX.FL.W.0092.000000T0000Z-000000T0000Z/
/HARI2.1.ER.260616T1030Z.260625T1200Z.000000T0000Z.NO/
946 PM CDT Sun Jun 21 2026

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

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

* WHERE...Illinois River at Hardin.

* WHEN...Until further notice.

* IMPACTS...At 25.0 feet, Flood Stage.  Lowland flooding of
  unprotected agricultural land begins.

* ADDITIONAL DETAILS...
  - At 9:30 PM CDT Sunday the stage was 25.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 9:30 PM CDT Sunday was 25.7 feet.
  - Forecast...The river is expected to rise to a crest of 26.8 feet
    Thursday morning.
  - Flood stage is 25.0 feet.

&&

All Times CDT Fld   Observed  Forecasts (7 am)
Location      Stg     Stage   Tue   Wed   Thu   Fri   Sat

Illinois River
 Hardin       25.0    25.7    26.3  26.6  26.8  26.8  26.8

&&

LAT...LON 3952 9064 3952 9052 3942 9054 3935 9051
      3931 9053 3898 9052 3897 9049 3890 9054
      3898 9062 3923 9065

$$

Jaja