369 
WGUS83 KLOT 242323
FLSLOT

Flood Advisory
National Weather Service Chicago IL
623 PM CDT Wed Jun 24 2026

ILC031-089-250230-
/O.NEW.KLOT.FA.Y.0046.260624T2323Z-260625T0230Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-Kane IL-
623 PM CDT Wed Jun 24 2026

...FLOOD ADVISORY IN EFFECT UNTIL 930 PM CDT THIS EVENING...

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

* WHERE...A portion of northeast Illinois, including portions of the 
  following counties, Cook and Kane.

* WHEN...Until 930 PM CDT.

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

* ADDITIONAL DETAILS...
  - At 621 PM CDT, Doppler radar indicated heavy rain due to
    thunderstorms with rates of 1 to 2 inches per hour. Up to 1.5
    inches of rain occurred from these storms earlier near
    Algonquin.
  - Some locations that will experience flooding include...
    Chicago, Elgin, Arlington Heights, Schaumburg, Palatine, Des
    Plaines, Mount Prospect, Hoffman Estates, Buffalo Grove,
    Bartlett, Streamwood, Hanover Park, Carpentersville,
    Wheeling, Elk Grove Village, Algonquin, Huntley, Barrington,
    Rolling Meadows and Roselle.
  - 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 4199 8860 4207 8860 4207 8859 4215 8859
      4215 8823 4215 8793 4199 8792 4199 8802
      4199 8803 4199 8804 4199 8805 4199 8807
      4199 8826


$$

WSL

513 
WGUS83 KLOT 250032
FLSLOT

Flood Advisory
National Weather Service Chicago IL
732 PM CDT Wed Jun 24 2026

ILC031-089-250230-
/O.CON.KLOT.FA.Y.0046.000000T0000Z-260625T0230Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-Kane IL-
732 PM CDT Wed Jun 24 2026

...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 930 PM CDT THIS EVENING...

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

* WHERE...A portion of northeast Illinois, including the following 
  counties, Cook and Kane.

* WHEN...Until 930 PM CDT.

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

* ADDITIONAL DETAILS...
  - At 730 PM CDT, Doppler radar indicated that heavy rainfall
    had moved out of the area. Up to 2 inches of rain fell near
    Algonquin and Carpentersville from earlier storms. Standing
    water may be slow to recede and some streams may continue to
    rise for the next few hours.
  - Some locations that will experience flooding include...
    Chicago, Elgin, Arlington Heights, Schaumburg, Palatine, Des
    Plaines, Mount Prospect, Hoffman Estates, Bartlett,
    Streamwood, Hanover Park, Carpentersville, Elk Grove Village,
    Algonquin, Huntley, Barrington, Rolling Meadows, Roselle,
    South Elgin and Bensenville.
  - 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 4215 8823 4215 8810 4208 8793 4199 8792
      4199 8842 4206 8846 4214 8844


$$

WSL

775 
WGUS83 KLOT 250229
FLSLOT

Flood Advisory
National Weather Service Chicago IL
929 PM CDT Wed Jun 24 2026

ILC031-089-250239-
/O.EXP.KLOT.FA.Y.0046.000000T0000Z-260625T0230Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-Kane IL-
929 PM CDT Wed Jun 24 2026

...FLOOD ADVISORY WILL EXPIRE AT 930 PM CDT THIS EVENING...

The Flood Advisory will expire at 930 PM CDT this evening for a 
portion of northeast Illinois, including the following areas, Cook 
and Kane.

Heavy rainfall has ended and no new flooding is expected.

&&

LAT...LON 4215 8823 4215 8810 4208 8793 4199 8792
      4199 8842 4206 8846 4214 8844


$$

WSL