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Flood Warning — Bureau County, IL, La Salle County, IL, Putnam County, IL
Flood Warning
Issued
Expires
11:00 AM CDT · Sat, Jun 27 2026
Issuing Office
NWS KLOT

Affected Areas

Bureau County, IL La Salle County, IL Putnam County, IL

Official Bulletin

083
WGUS83 KLOT 231430
FLSLOT

Flood Statement
National Weather Service Chicago IL
930 AM CDT Tue Jun 23 2026

...The Flood Warning continues for the following rivers in
Illinois...

  Illinois River at La Salle affecting Bureau, La Salle and Putnam
  Counties.

For the Illinois River (Upper)...including La Salle...Minor flooding
is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.

These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.

Additional information is available at www.weather.gov.

The next statement will be issued by late tonight.

&&

ILC011-099-155-240830-
/O.EXT.KLOT.FL.W.0035.000000T0000Z-260627T1600Z/
/LSLI2.1.ER.260612T0215Z.260623T1800Z.260627T1000Z.NO/
930 AM CDT Tue Jun 23 2026

...FLOOD WARNING NOW IN EFFECT UNTIL LATE SATURDAY MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Illinois River from Starved Rock Lock and Dam downstream
  to confluence with Big Bureau Creek, including the La Salle gauge.

* WHEN...Until late Saturday morning.

* IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State
  Park is inundated east of La Salle. High water levels begin to
  impact shipping interests along the river.

* ADDITIONAL DETAILS...
  - At 8:45 AM CDT Tuesday the stage was 23.4 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:45 AM CDT Tuesday was 23.4 feet.
  - Forecast...The river is expected to rise to a crest of 23.5
    feet this afternoon. It will then fall below flood stage
    early Saturday morning.
  - Flood stage is 20.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4131 8940 4135 8933 4137 8898 4128 8899
      4128 8929

$$