260  
NZUS99 KLOT 040312  
FLRLOT  
 
FLOOD WARNING  
NATIONAL WEATHER SERVICE CHICAGO IL  
1012 PM CDT FRI APR 3 2026  
 
ILC099-042115-  
1012 PM CDT FRI APR 3 2026  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A FLOOD WARNING  
FOR ILLINOIS RIVER FROM HERITAGE HARBOR EAST OF OTTAWA DOWNSTREAM TO  
STARVED ROCK LOCK AND DAM, INCLUDING THE OTTAWA GAUGE.  
 
UNTIL EARLY WEDNESDAY MORNING.  
AT 9:30 PM CDT FRIDAY THE STAGE WAS 462.8 FEET. THE RIVER IS  
EXPECTED TO RISE ABOVE FLOOD STAGE JUST AFTER MIDNIGHT TONIGHT TO A  
CREST OF 466.1 FEET EARLY SUNDAY AFTERNOON. IT WILL THEN FALL BELOW  
FLOOD STAGE LATE TUESDAY EVENING.  
 
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