Watches, Warnings & Advisories



4 products issued by NWS for: West Peoria IL

Flash Flood Warning

Flash Flood Warning
ILC057-095-125-143-179-203-151100-
/O.NEW.KILX.FF.W.0064.260815T0456Z-260815T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
1156 PM CDT Fri Aug 14 2026

The National Weather Service in Lincoln has issued a

* Flash Flood Warning for...
  Northeastern Mason County in central Illinois...
  Southern Peoria County in central Illinois...
  Tazewell County in central Illinois...
  Southwestern Woodford County in central Illinois...
  Fulton County in west central Illinois...
  Southern Knox County in west central Illinois...

* Until 600 AM CDT Saturday.

* At 1156 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 and 3 inches of rain
  have fallen. Additional rainfall amounts of 1 to 4 inches are
  possible in the warned area. Flash flooding is ongoing or expected
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Peoria, Pekin, East Peoria, Morton, Canton, Eureka, Lewistown,
  Washington, Bartonville, Creve Coeur, West Peoria, Abingdon,
  Marquette Heights, Farmington, Tremont, Elmwood, Bellevue,
  Mackinaw, Delavan and Manito.

This includes the following State Parks...
Banner Marsh State Fish and Wildlife Area, Powerton Lake State Fish
and Wildlife Area, Rice Lake State Fish and Wildlife Area, Sand
Ridge State Forest, Spring Lake State Fish and Wildlife Area and
Mackinaw River State Fish and Wildlife Area.

This includes the following highways...
 Interstate 74 between  mile markers 82 and 112.
 Interstate 155 between  mile markers 12 and 31.
 Interstate 474 between  mile markers 0 and 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4082 9005 4071 8926 4033 8926 4033 9044
      4082 9044

FLASH FLOOD...RADAR INDICATED

$$

MJA




Hydrologic Outlook

Hydrologic Outlook
ILC123-143-179-203-151200-

Hydrologic Outlook
National Weather Service Lincoln IL
1008 PM CDT Fri Aug 14 2026

This hydrologic outlook includes the following river in Illinois:

Illinois River...


The following river information is based on future predicted
rainfall. The exact amount, intensity, timing, and location of the
rain that will occur is still uncertain. These outlook stages are
provided to show what may be expected if the forecast precipitation
occurs. Once there is more certainty about the river forecasts, a
flood warning or statement will be issued if the threat materializes.

&&


              Fld   Observed           Forecasts (1 am CDT)
Location      Stg   Stg   Day/Time     Sun   Mon   Tue   Wed

Illinois River
Henry         23.0  17.9  Fri 9 pm CDT 19.9  22.0  23.8  24.3
Peoria        18.0  12.8  Fri 9 pm CDT 14.0  15.6  17.8  19.3


$$

Deubelbeiss




Flood Watch

Flood Watch
National Weather Service Lincoln IL
947 PM CDT Fri Aug 14 2026

ILZ027>031-036>038-040-041-151500-
/O.CON.KILX.FA.A.0014.260815T0300Z-260815T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Schuyler-Mason-
Including the cities of Canton, Havana, Galesburg, Peoria,
Toulon, Eureka, Normal, Rushville, Lacon, Pekin, and Bloomington
947 PM CDT Fri Aug 14 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

* WHAT...Flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Portions of central and west central Illinois, including
  the following counties, in central Illinois, Marshall, Mason,
  McLean, Peoria, Stark, Tazewell and Woodford. In west central
  Illinois, Fulton, Knox and Schuyler.

* WHEN...Through Saturday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
  Area creeks and streams are running high and could flood with more
  heavy rain.

* ADDITIONAL DETAILS...
  - A large area of 3 to 5 inches of rain has fallen since
    Thursday morning. Thunderstorms are expected to move in again
    late this evening, becoming widespread after midnight. An
    additional 1 to 3 inches is likely to fall overnight and
    Saturday morning. With the ground already saturated, it will
    not take much additional rain to cause renewed flooding.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

Deubelbeiss




Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Lincoln IL
300 PM CDT Fri Aug 14 2026

ILZ027>031-036>038-040>057-061>063-066>068-071>073-151100-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott-
Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
300 PM CDT Fri Aug 14 2026

This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.

.DAY ONE...Tonight.

Widespread thunderstorm activity is likely tonight, mainly north of
I-72. Locally strong to severe storms and flash flooding are
possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Hot and humid conditions will peak over the area this weekend. Peak
afternoon heat indices will range from 103 to 112 Saturday, and 100
to 105 Sunday.

Daily chances for thunderstorms exist through the weekend, mainly
north of I-70 for Saturday. Some of these storms could be severe and
produce heavy rain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed after midnight.

$$

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