157  
WGUS83 KLSX 211621  
FLSLSX  
 
FLOOD STATEMENT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
1121 AM CDT SUN JUN 21 2026  
 
...THE FLOOD WARNING CONTINUES FOR THE ILLINOIS RIVER AT THE  
FOLLOWING LOCATIONS...  
 
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  
 

 
 
ILC137-149-230430-  
/O.CON.KLSX.FL.W.0098.000000T0000Z-000000T0000Z/  
/MROI2.1.ER.260620T2100Z.260627T1800Z.000000T0000Z.NO/  
1121 AM 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 21.0 FEET, CHAMBERS ROAD SOUTH OF NAPLES FLOODS AT  
MAUVAISE TERRE CREEK NEAR THIS LEVEL.  
 
* ADDITIONAL DETAILS...  
- AT 10:30 AM CDT SUNDAY THE STAGE WAS 17.4 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 20.6 FEET  
EARLY SATURDAY AFTERNOON.  
- FLOOD STAGE IS 17.0 FEET.  
 

 
 
ALL TIMES CDT FLD OBSERVED FORECASTS (7 AM)  
LOCATION STG STAGE MON TUE WED THU FRI  
 
ILLINOIS RIVER  
MEREDOSIA 17.0 17.4 18.1 19.0 19.5 19.8 20.2  
 

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

 
 
ILC009-230430-  
/O.CON.KLSX.FL.W.0097.000000T0000Z-000000T0000Z/  
/NLGI2.1.ER.260619T2130Z.260627T1200Z.000000T0000Z.NO/  
1121 AM 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 10:00 AM CDT SUNDAY THE STAGE WAS 23.9 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 26.3 FEET  
SATURDAY MORNING.  
- FLOOD STAGE IS 23.0 FEET.  
 

 
 
ALL TIMES CDT FLD OBSERVED FORECASTS (7 AM)  
LOCATION STG STAGE MON TUE WED THU FRI  
 
ILLINOIS RIVER  
LA GRANGE LD 23.0 23.9 24.4 25.0 25.4 25.7 26.1  
 

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

 
 
ILC149-171-230430-  
/O.CON.KLSX.FL.W.0093.000000T0000Z-000000T0000Z/  
/VALI2.1.ER.260618T1545Z.260628T0000Z.000000T0000Z.NO/  
1121 AM 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 10:30 AM CDT SUNDAY THE STAGE WAS 15.2 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE TO 18.3 FEET SATURDAY  
EVENING. ADDITIONAL RISES ARE POSSIBLE THEREAFTER.  
- FLOOD STAGE IS 14.0 FEET.  
 

 
 
ALL TIMES CDT FLD OBSERVED FORECASTS (7 AM)  
LOCATION STG STAGE MON TUE WED THU FRI  
 
ILLINOIS RIVER  
VALLEY CITY 14.0 15.2 15.9 16.7 17.1 17.4 17.8  
 

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

 
 
ILC013-061-083-230430-  
/O.CON.KLSX.FL.W.0092.000000T0000Z-000000T0000Z/  
/HARI2.1.ER.260616T1030Z.260625T0600Z.000000T0000Z.NO/  
1121 AM 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 10:30 AM CDT SUNDAY THE STAGE WAS 25.5 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 26.8 FEET  
EARLY THURSDAY MORNING.  
- FLOOD STAGE IS 25.0 FEET.  
 

 
 
ALL TIMES CDT FLD OBSERVED FORECASTS (7 AM)  
LOCATION STG STAGE MON TUE WED THU FRI  
 
ILLINOIS RIVER  
HARDIN 25.0 25.5 25.6 26.0 26.6 26.8 26.7  
 

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

 
 
CARNEY  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MO Page
The Nexlab IL Page Main Text Page