422
WGUS43 KLSX 280337
FLWLSX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1037 PM CDT MON APR 27 2026
...THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN ILLINOIS...MISSOURI...
MISSISSIPPI RIVER AT LOCK & DAM 21.
MISSISSIPPI RIVER AT QUINCY.
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.
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
ILC001-MOC127-291545-
/O.NEW.KLSX.FL.W.0050.260428T0337Z-260501T0000Z/
/QLDI2.1.ER.260428T0125Z.260428T1200Z.260429T1800Z.NO/
1037 PM CDT MON APR 27 2026
..FLOOD WARNING IN EFFECT FROM THIS EVENING TO THURSDAY EVENING
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* WHERE...MISSISSIPPI RIVER AT LOCK & DAM 21.
* WHEN...FROM THIS EVENING TO THURSDAY EVENING.
* ADDITIONAL DETAILS...
- AT 10:00 PM CDT MONDAY THE STAGE WAS 18.2 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS ENDING
AT 10:00 PM CDT MONDAY WAS 18.2 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 18.5 FEET
TOMORROW MORNING. IT WILL THEN FALL BELOW FLOOD STAGE EARLY
WEDNESDAY AFTERNOON.
- FLOOD STAGE IS 18.0 FEET.
ALL TIMES CDT FLD OBSERVED FORECASTS (7:00 AM)
LOCATION STG STAGE WED THU FRI SAT SUN
MISSISSIPPI RIVER
LOCK & DAM 21 18.0 18.2 18.1 17.5 16.8 15.8 15.2
LAT...LON 3991 9153 3991 9140 3983 9135 3983 9148
ILC001-MOC127-291545-
/O.NEW.KLSX.FL.W.0051.260428T1800Z-260430T1200Z/
/UINI2.1.ER.260428T1800Z.260428T1800Z.260429T0600Z.NO/
1037 PM CDT MON APR 27 2026
...FLOOD WARNING IN EFFECT FROM TUESDAY AFTERNOON TO THURSDAY
MORNING...
* WHAT...MINOR FLOODING IS FORECAST.
* WHERE...MISSISSIPPI RIVER AT QUINCY.
* WHEN...FROM TUESDAY AFTERNOON TO THURSDAY MORNING.
* IMPACTS...AT 18.5 FEET, BNSF RAILROAD MAIN LINE, 10 TO 16 MILES
ABOVE QUINCY BEGINS TO FLOOD AT SEVERAL LOCATIONS.
* ADDITIONAL DETAILS...
- AT 9:15 PM CDT MONDAY THE STAGE WAS 18.7 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 19.0 FEET
EARLY TOMORROW AFTERNOON. IT WILL THEN FALL BELOW FLOOD STAGE
EARLY WEDNESDAY MORNING.
- FLOOD STAGE IS 19.0 FEET.
ALL TIMES CDT FLD OBSERVED FORECASTS (7:00 AM)
LOCATION STG STAGE WED THU FRI SAT SUN
MISSISSIPPI RIVER
QUINCY 19.0 18.7 18.9 18.6 17.9 16.9 16.4
LAT...LON 3999 9153 3999 9140 3991 9140 3991 9153
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