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Flood Warning — 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
Issuing Office
NWS KLSX

Affected Areas

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

Official Bulletin

842
WGUS83 KLSX 231518
FLSLSX

Flood Statement
National Weather Service St Louis MO
1018 AM CDT Tue Jun 23 2026

...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

&&

ILC137-149-250330-
/O.CON.KLSX.FL.W.0098.000000T0000Z-000000T0000Z/
/MROI2.1.ER.260620T2100Z.260627T1800Z.000000T0000Z.NO/
1018 AM CDT Tue Jun 23 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 10:00 AM CDT Tuesday the stage was 19.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 10:00 AM CDT Tuesday was 19.0 feet.
  - Forecast...The river is expected to rise to a crest of 20.4 feet
    early Saturday afternoon.
  - Flood stage is 17.0 feet.

&&

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

Illinois River
 Meredosia    17.0    19.0    19.6  19.9  20.2  20.4  20.3

&&

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

$$

ILC009-250330-
/O.CON.KLSX.FL.W.0097.000000T0000Z-000000T0000Z/
/NLGI2.1.ER.260619T2130Z.260626T0000Z.000000T0000Z.NO/
1018 AM CDT Tue Jun 23 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 AM CDT Tuesday the stage was 25.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 9:00 AM CDT Tuesday was 25.3 feet.
  - Forecast...The river will rise to 26.2 feet early Saturday
    morning. It will then fall early Saturday afternoon. It will rise
    to 26.2 feet Saturday evening. It will then fall early Monday
    morning. It will rise to 26.1 feet early Monday afternoon. It
    will then fall again but remain above flood stage.
  - Flood stage is 23.0 feet.

&&

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

Illinois River
 La Grange LD 23.0    25.3    25.6  26.1  26.2  26.1  26.1

&&

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

$$

ILC149-171-250330-
/O.CON.KLSX.FL.W.0093.000000T0000Z-000000T0000Z/
/VALI2.1.ER.260618T1545Z.260628T1200Z.000000T0000Z.NO/
1018 AM CDT Tue Jun 23 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 10:00 AM CDT Tuesday the stage was 16.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 10:00 AM CDT Tuesday was 16.8 feet.
  - Forecast...The river is expected to rise to a crest of 18.0 feet
    Sunday morning.
  - Flood stage is 14.0 feet.

&&

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

Illinois River
 Valley City  14.0    16.7    16.9  17.2  17.6  17.8  18.0

&&

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

$$

ILC013-061-083-250330-
/O.CON.KLSX.FL.W.0092.000000T0000Z-000000T0000Z/
/HARI2.1.ER.260616T1030Z.260626T1200Z.000000T0000Z.NO/
1018 AM CDT Tue Jun 23 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 10:00 AM CDT Tuesday the stage was 26.5 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 10:00 AM CDT Tuesday was 26.5 feet.
  - Forecast...The river is expected to rise to a crest of 26.8 feet
    Friday morning.
  - Flood stage is 25.0 feet.

&&

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

Illinois River
 Hardin       25.0    26.5    26.6  26.7  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

$$

Maples