822  
WGUS43 KILX 170757  
FLWILX  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
FLOOD WARNING  
NATIONAL WEATHER SERVICE LINCOLN IL  
257 AM CDT MON AUG 17 2026  
 
...THE NATIONAL WEATHER SERVICE IN LINCOLN IL HAS ISSUED A FLOOD  
WARNING FOR THE FOLLOWING RIVERS IN ILLINOIS...  
 
MACKINAW RIVER NEAR CONGERVILLE AFFECTING MCLEAN, TAZEWELL 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.  
 
 
 
ILC113-179-203-180000-  
/O.NEW.KILX.FL.W.0041.260817T0820Z-260818T0057Z/  
/CNGI2.1.ER.260817T0820Z.260817T1200Z.260817T1856Z.NO/  
257 AM CDT MON AUG 17 2026  
   
..FLOOD WARNING IN EFFECT UNTIL THIS EVENING  
 
* WHAT...MINOR FLOODING IS FORECAST.  
 
* WHERE...MACKINAW RIVER NEAR CONGERVILLE.  
 
* WHEN...UNTIL THIS EVENING.  
 
* IMPACTS...AT 13.0 FEET, WIDESPREAD AGRICULTURAL FLOODING OCCURS.  
 
* ADDITIONAL DETAILS...  
- AT 1:45 AM CDT MONDAY THE STAGE WAS 12.6 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE TO 13.9 FEET THIS  
MORNING, THEN FALL BELOW FLOOD STAGE THIS AFTERNOON.  
- FLOOD STAGE IS 13.0 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
 
 
FLD OBSERVED FORECASTS (1 AM CDT)  
LOCATION STG STG DAY/TIME TUE WED THU  
 
MACKINAW RIVER  
CONGERVILLE 13.0 12.6 MON 1 AM CDT 9.4 6.4 5.0  
 
 
 
LAT...LON 4070 8906 4062 8907 4061 8920 4051 8933  
4056 8939 4068 8925  
 
 
 
25  
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