558 
WGUS83 KLOT 111639
FLSLOT

Flood Advisory
National Weather Service Chicago IL
1139 AM CDT Tue Aug 11 2026

ILC097-111945-
/O.NEW.KLOT.FA.Y.0103.260811T1639Z-260811T1945Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lake IL-
1139 AM CDT Tue Aug 11 2026

...FLOOD ADVISORY IN EFFECT UNTIL 245 PM CDT THIS AFTERNOON...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Lake IL County in northeastern Illinois...

* WHEN...Until 245 PM CDT.

* IMPACTS...Flooding may occur in poor drainage and urban areas.
  Roads and streets may be flooded.

* ADDITIONAL DETAILS...
  - At 1137 AM CDT, Doppler radar indicated rainfall rates of 1 to 2
    inches per hour occurring across the area. Rainfall up to 1 inch
    has been estimated so far near Round Lake Beach. Minor flooding
    is ongoing or expected to begin shortly in the advisory area.
  - Some locations that will experience flooding include...
    Waukegan, North Chicago, Gurnee, Mundelein, Highland Park, Round
    Lake Beach, Vernon Hills, Zion, Grayslake, Libertyville, Lake
    Forest, Round Lake, Antioch, Wauconda, Fox Lake, Lake Villa and
    Deerfield.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.

&&

LAT...LON 4229 8782 4222 8779 4215 8775 4215 8782
      4229 8820 4247 8820 4246 8803 4246 8779
      4238 8779 4235 8782 4231 8781


$$

WSL

394 
WGUS83 KLOT 111839
FLSLOT

Flood Advisory
National Weather Service Chicago IL
139 PM CDT Tue Aug 11 2026

ILC097-111945-
/O.CON.KLOT.FA.Y.0103.000000T0000Z-260811T1945Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lake IL-
139 PM CDT Tue Aug 11 2026

...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 245 PM CDT THIS
AFTERNOON...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Lake IL County in northeastern Illinois...

* WHEN...Until 245 PM CDT.

* IMPACTS...Flooding may occur in poor drainage and urban areas.
  Roads and streets may be flooded.

* ADDITIONAL DETAILS...
  - At 137 PM CDT, Doppler radar indicated heavy rain due to
    thunderstorms. Minor flooding is ongoing in the advisory area.
    Between 1 and 2 inches of rain have fallen.
  - The bulk of the heavy rain has moved east of the area. Additional
    showers and storms may shift back into the area later this
    afternoon.
  - Some locations that will experience flooding include...
    Waukegan, North Chicago, Gurnee, Mundelein, Highland Park, Round
    Lake Beach, Vernon Hills, Zion, Grayslake, Libertyville, Lake
    Forest, Round Lake, Antioch, Wauconda, Fox Lake, Lake Villa and
    Deerfield.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.

&&

LAT...LON 4229 8782 4222 8779 4215 8775 4215 8782
      4229 8820 4247 8820 4246 8803 4246 8779
      4238 8779 4235 8782 4231 8781


$$

Donofrio