153  
WGUS83 KLOT 181048  
FLSLOT  
 
FLOOD STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO IL  
548 AM CDT SAT APR 18 2026  
 
...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS IN  
ILLINOIS...  
 
ILLINOIS RIVER AT LA SALLE AFFECTING BUREAU, PUTNAM AND LA SALLE  
COUNTIES.  
 
FOR THE ILLINOIS RIVER (UPPER)...INCLUDING LA SALLE...MINOR FLOODING  
IS OCCURRING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FLOOD WARNING MEANS WATER LEVELS ABOVE FLOOD STAGE ARE IMMINENT OR  
MAY ALREADY BE OCCURRING. PERSONS ALONG RIVERS AND STREAMS IN THE  
WARNED AREA SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND  
PROPERTY.  
 
THESE FORECASTS ARE BASED ON OBSERVED PRECIPITATION AS WELL AS  
FORECAST PRECIPITATION 24 HOURS INTO THE FUTURE. CHANGES TO THE  
RAINFALL FORECAST, OR ANY ADDITIONAL RAINFALL AFTER 24 HOURS, MAY  
CAUSE CHANGES TO THESE RIVER FORECASTS.  
 
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV.  
 
THE NEXT STATEMENT WILL BE ISSUED BY LATE TONIGHT.  
 
 
 
ILC011-099-155-190500-  
/O.EXT.KLOT.FL.W.0029.260418T1048Z-000000T0000Z/  
/LSLI2.1.ER.260418T0427Z.260420T0600Z.260423T2100Z.NO/  
548 AM CDT SAT APR 18 2026  
 
...FLOOD WARNING NOW IN EFFECT FROM EARLY THIS MORNING UNTIL FURTHER  
NOTICE...  
 
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.  
 
* WHERE...ILLINOIS RIVER FROM STARVED ROCK LOCK AND DAM DOWNSTREAM  
TO CONFLUENCE WITH BIG BUREAU CREEK, INCLUDING THE LA SALLE GAUGE.  
 
* WHEN...FROM EARLY THIS MORNING UNTIL FURTHER NOTICE.  
 
* IMPACTS...AT 20.0 FEET, AGRICULTURAL AREAS IN LA SALLE, SPRING  
VALLEY, AND PERU ARE INUNDATED.  
AT 22.0 FEET, LOWER PARKING LOT AT STARVED ROCK STATE PARK IS  
INUNDATED EAST OF LA SALLE. HIGH WATER LEVELS BEGIN TO IMPACT  
SHIPPING INTERESTS ALONG THE RIVER.  
 
* ADDITIONAL DETAILS...  
- AT 4:45 AM CDT SATURDAY THE STAGE WAS 20.5 FEET.  
- RECENT ACTIVITY...THE RIVER ROSE INTO MINOR FLOOD STAGE LAST  
NIGHT.  
- FORECAST...THE RIVER IS EXPECTED TO CONTINUE RISING AND CREST  
NEAR 23.5 FEET ON SUNDAY.  
- FLOOD STAGE IS 20.0 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
 
 
LAT...LON 4131 8940 4135 8933 4137 8898 4128 8899  
4128 8929  
 
 
 
DOOM  
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