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Flood Warning — La Salle County, IL
Flood Warning
Issued
1:56 PM CDT · Sun, Sep 20 2026
Expires
1:00 AM CDT · Wed, Sep 23 2026
Issuing Office
NWS KLOT

Affected Areas

La Salle County, IL

Official Bulletin

632
WGUS43 KLOT 200310
FLWLOT

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Chicago IL
1010 PM CDT Sat Sep 19 2026

...The National Weather Service in Chicago has issued a Flood Warning
for the following rivers in Illinois...

  Fox River at Dayton affecting La Salle County.

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 Sunday afternoon.

&&

ILC099-202115-
/O.NEW.KLOT.FL.W.0074.260920T1742Z-260923T0200Z/
/DAYI2.2.ER.260920T1742Z.260921T1200Z.260922T2024Z.NO/
1010 PM CDT Sat Sep 19 2026

...FLOOD WARNING IN EFFECT FROM SUNDAY AFTERNOON TO TUESDAY
EVENING...

* WHAT...Moderate flooding is forecast.

* WHERE...Fox River from Millington downstream to confluence with the
  Illinois River, including the Dayton gauge.

* WHEN...From Sunday afternoon to Tuesday evening.

* IMPACTS...At 14.5 feet, Low-lying agricultural land inundated near
  Norway.

* ADDITIONAL DETAILS...
  - At 8:45 PM CDT Saturday the stage was 7.6 feet.
  - Forecast...The river is expected to rise above flood stage early
    Sunday afternoon to a crest of 14.9 feet Monday morning. It will
    then fall below flood stage Tuesday afternoon.
  - Flood stage is 12.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4163 8860 4154 8860 4134 8878 4134 8888
      4157 8871

$$

Petr