WGUS83 KLSX 040137

FLSLSX



Flood Statement

National Weather Service St Louis MO

837 PM CDT Sun May 3 2026



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

and Missouri...



  Mississippi River at Chester.



  Mississippi River at Grafton.



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.



Rainfall heavier than forecast could cause river levels to rise even

higher than predicted. The National Weather Service will monitor this

developing situation and issue follow up statements as conditions

change.



This product, along with additional weather and stream information,

is available at https://water.noaa.gov/wfo/lsx



&&



ILC077-157-MOC157-186-051345-

/O.EXT.KLSX.FL.W.0040.000000T0000Z-260506T1708Z/

/CHSI2.1.ER.260429T0930Z.260502T0130Z.260505T1108Z.NO/

837 PM CDT Sun May 3 2026



...FLOOD WARNING NOW IN EFFECT UNTIL WEDNESDAY AFTERNOON...



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



* WHERE...Mississippi River at Chester.



* WHEN...Until Wednesday afternoon.



* IMPACTS...At 28.0 feet, Unleveed islands near Chester and the

  prison farm floods.



* ADDITIONAL DETAILS...

  - At 8:30 PM CDT Sunday the stage was 29.4 feet.

  - Forecast...The river is expected to fall below flood stage

    Tuesday morning.

  - Flood stage is 27.0 feet.







&&





All Times CDT    Fld   Observed  Forecasts (7:00 am)

Location         Stg     Stage   Tue   Wed   Thu   Fri   Sat



Mississippi River

 Chester         27.0    29.4    26.9  24.6  23.2  22.4  21.9







&&



LAT...LON 3799 8992 3790 8977 3786 8973 3776 8945

      3769 8941 3769 8959 3786 8995 3795 9005





$$



ILC083-MOC183-051345-

/O.EXT.KLSX.FL.W.0034.000000T0000Z-260505T1800Z/

/GRFI2.1.ER.260420T0010Z.260501T0430Z.260504T1200Z.NO/

837 PM CDT Sun May 3 2026



...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY AFTERNOON...



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



* WHERE...Mississippi River at Grafton.



* WHEN...Until Tuesday afternoon.



* ADDITIONAL DETAILS...

  - At 8:30 PM CDT Sunday the stage was 20.3 feet.

  - Forecast...The river is expected to fall below flood stage Monday

    morning.

  - Flood stage is 20.0 feet.







&&





All Times CDT    Fld   Observed  Forecasts (7:00 am)

Location         Stg     Stage   Tue   Wed   Thu   Fri   Sat



Mississippi River

 Grafton         20.0    20.3    18.6  17.9  17.5  17.2  16.9







&&



LAT...LON 3880 9057 3888 9057 3897 9055 3898 9042

      3895 9028 3891 9033





$$



Gosselin