Flood Warning
Issued by NWS Central Illinois
Issued by NWS Central Illinois
007
WGUS43 KILX 171228
FLWILX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lincoln IL
728 AM CDT Mon Aug 17 2026
...Forecast flooding changed from Minor to Moderate severity and
increased in duration 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.
&&
ILC113-179-203-180430-
/O.EXT.KILX.FL.W.0041.000000T0000Z-260818T1500Z/
/CNGI2.2.ER.260817T0830Z.260817T1800Z.260818T0900Z.NO/
728 AM CDT Mon Aug 17 2026
...FLOOD WARNING NOW IN EFFECT UNTIL LATE TOMORROW MORNING...
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Mackinaw River near Congerville.
* WHEN...Until late tomorrow morning.
* IMPACTS...At 13.0 feet, Widespread agricultural flooding occurs.
* ADDITIONAL DETAILS...
- At 6:45 AM CDT Monday the stage was 13.7 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 6:45 AM CDT Monday was 13.7 feet.
- Forecast...The river is expected to rise to a crest of 14.6
feet this afternoon. It will then fall below flood stage late
tonight.
- Flood stage is 13.0 feet.
- http://www.weather.gov/safety/flood
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Tue Wed Thu
Mackinaw River
Congerville 13.0 13.7 Mon 6 am CDT 12.4 7.1 5.6
&&
LAT...LON 4070 8906 4062 8907 4061 8920 4051 8933
4056 8939 4068 8925
$$
NMA