553  
WGUS43 KILX 151846  
FLWILX  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
FLOOD WARNING  
NATIONAL WEATHER SERVICE LINCOLN IL  
146 PM CDT SAT AUG 15 2026  
 
...THE NATIONAL WEATHER SERVICE IN LINCOLN IL HAS ISSUED A FLOOD  
WARNING FOR THE FOLLOWING RIVERS IN ILLINOIS...  
 
MACKINAW RIVER NEAR CONGERVILLE AFFECTING TAZEWELL, MCLEAN AND  
WOODFORD COUNTIES.  
 
.THE FOLLOWING FORECASTS ARE BASED ON OBSERVED PRECIPITATION, SOIL  
MOISTURE CONDITIONS, AND FORECAST PRECIPITATION.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
PERSONS WITH INTERESTS ALONG THIS RIVER NEED TO REMAIN AWARE OF THE  
LATEST FORECASTS AND ASSOCIATED FLOOD RISK FOR THEIR AREA. STAY  
TUNED FOR FURTHER UPDATES ON THIS FLOODING SITUATION.  
 
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV.  
 

 
 
ILC113-179-203-161100-  
/O.NEW.KILX.FL.W.0040.260816T0210Z-260817T0835Z/  
/CNGI2.2.ER.260816T0210Z.260816T1200Z.260817T0234Z.NO/  
146 PM CDT SAT AUG 15 2026  
 
...FLOOD WARNING IN EFFECT FROM THIS EVENING TO EARLY MONDAY  
MORNING...  
 
* WHAT...MODERATE FLOODING IS FORECAST.  
 
* WHERE...MACKINAW RIVER NEAR CONGERVILLE.  
 
* WHEN...FROM THIS EVENING TO EARLY MONDAY MORNING.  
 
* IMPACTS...AT 13.0 FEET, WIDESPREAD AGRICULTURAL FLOODING OCCURS.  
 
* ADDITIONAL DETAILS...  
- AT 12:45 PM CDT SATURDAY THE STAGE WAS 9.9 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE  
LATE THIS EVENING TO A CREST OF 14.0 FEET TOMORROW MORNING.  
IT WILL THEN FALL BELOW FLOOD STAGE LATE TOMORROW EVENING.  
- FLOOD STAGE IS 13.0 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 

 
 
FLD OBSERVED FORECASTS (1 PM CDT)  
LOCATION STG STG DAY/TIME SUN MON TUE  
 
MACKINAW RIVER  
CONGERVILLE 13.0 9.9 SAT 12 PM CD 13.8 10.0 6.7  
 

 
 
LAT...LON 4070 8906 4062 8907 4061 8920 4051 8933  
4056 8939 4068 8925  
 

 
 
NMA  
 
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