Back to Home
Flood Warning — Lake County, IL
Flood Warning
Issued
Expires
1:00 p. m. CDT · dom., sept. 27 2026
Issuing Office
NWS KLOT

Affected Areas

Lake County, IL

Official Bulletin

548
WGUS83 KLOT 220017
FLSLOT

Flood Statement
National Weather Service Chicago IL
717 PM CDT Mon Sep 21 2026

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

  Des Plaines River near Russell affecting Lake IL County.

  Des Plaines River near Gurnee affecting Lake IL 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 Tuesday afternoon.

&&

ILC097-221830-
/O.CON.KLOT.FL.W.0075.000000T0000Z-260927T0600Z/
/RUSI2.1.ER.260920T2022Z.260922T0600Z.260927T0000Z.NO/
717 PM CDT Mon Sep 21 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE SATURDAY NIGHT...

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

* WHERE...Des Plaines River from IL/WI state line downstream to US-41
  in Gurnee, including the Russell gauge.

* WHEN...Until late Saturday night.

* IMPACTS...At 8.0 feet, Agricultural and park land is inundated near
  the river. Residential property is threatened near the river.

* ADDITIONAL DETAILS...
  - At 6:30 PM CDT Monday the stage was 8.7 feet.
  - Forecast...The river is expected remain near 8.7 feet tonight
    then gradually fall Tuesday morning. It will then fall below
    flood stage Saturday evening.
  - Flood stage is 7.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4251 8797 4250 8787 4247 8789 4239 8787
      4239 8796 4247 8799

$$

ILC097-221830-
/O.CON.KLOT.FL.W.0076.260922T1200Z-260926T0600Z/
/GUNI2.1.ER.260922T1200Z.260924T0600Z.260926T0000Z.NO/
717 PM CDT Mon Sep 21 2026

...FLOOD WARNING REMAINS IN EFFECT FROM TUESDAY MORNING TO LATE
FRIDAY NIGHT...

* WHAT...Minor flooding is forecast.

* WHERE...Des Plaines River from US-41 in Gurnee downstream to
  Townline Road in Vernon Hills, including the Gurnee gauge.

* WHEN...From Tuesday morning to late Friday night.

* IMPACTS...At 7.0 feet, Forest land inundated near the river in
  Gurnee.

* ADDITIONAL DETAILS...
  - At 6:30 PM CDT Monday the stage was 6.6 feet.
  - Forecast...The river is expected to rise above flood stage
    Tuesday morning to a crest of 8.0 feet Wednesday night. It will
    then fall below flood stage Friday night.
  - Flood stage is 7.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4239 8796 4239 8787 4230 8791 4224 8788
      4224 8797 4230 8800

$$

Petr