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Home Return to list Areal Flood Advisory 0105 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-08-12 09:30:14
980
WGUS83 KLOT 121429
FLSLOT
Flood Advisory
National Weather Service Chicago IL
929 AM CDT Wed Aug 12 2026
ILC031-091-197-121830-
/O.NEW.KLOT.FA.Y.0105.260812T1429Z-260812T1830Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-Kankakee IL-Will IL-
929 AM CDT Wed Aug 12 2026
...FLOOD ADVISORY IN EFFECT UNTIL 130 PM CDT THIS AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Southeastern Cook County in northeastern Illinois...
Kankakee County in northeastern Illinois...
Will County in northeastern Illinois...
* WHEN...Until 130 PM CDT.
* IMPACTS...Flooding may occur in poor drainage and urban areas.
Underpasses may be flooded. Roads and streets may be flooded.
* ADDITIONAL DETAILS...
- At 928 AM CDT, Doppler radar and automated rain gauges indicated
heavy rain due to thunderstorms with rainfall rates of 1 to 2
inches per hour moving into an area with high soil moisture due
to recent rainfall. Minor flooding may begin shortly after the
onset of rainfall.
- Some locations that will experience flooding include...
Chicago, Joliet, Naperville, Bolingbrook, Orland Park, Tinley
Park, Oak Lawn, Romeoville, Plainfield, Calumet City, Chicago
Heights, Roseland, Lansing, Oak Forest, Kankakee, Harvey and
Lockport.
- 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 4172 8826 4173 8803 4169 8803 4169 8799
4172 8791 4175 8752 4101 8753 4100 8825
$$
WSL
Action: Cancelled Issued At: 2026-08-12 12:19:49
385
WGUS83 KLOT 121719
FLSLOT
Flood Advisory
National Weather Service Chicago IL
1219 PM CDT Wed Aug 12 2026
ILC031-091-197-121729-
/O.CAN.KLOT.FA.Y.0105.000000T0000Z-260812T1830Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-Kankakee IL-Will IL-
1219 PM CDT Wed Aug 12 2026
...FLOOD ADVISORY CONTINUES FOR A PORTION OF THE AREA...
The Flood Advisory has been replaced by a new Flood Advisory for the
portion of the area. See the new Flood Advisory for additional
information.
&&
LAT...LON 4172 8826 4173 8803 4169 8803 4169 8799
4172 8791 4175 8752 4101 8753 4100 8825
$$
WSL
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