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Home Return to list Areal Flood Advisory 0083 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-08-09 13:28:51
592
WGUS83 KLOT 091828
FLSLOT
Flood Advisory
National Weather Service Chicago IL
128 PM CDT Sun Aug 9 2026
ILC031-043-092130-
/O.NEW.KLOT.FA.Y.0083.260809T1828Z-260809T2130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-DuPage IL-
128 PM CDT Sun Aug 9 2026
...FLOOD ADVISORY IN EFFECT UNTIL 430 PM CDT THIS AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Northeastern Cook County in northeastern Illinois...
Central DuPage County in northeastern Illinois...
* WHEN...Until 430 PM CDT.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Underpasses may be
flooded. Roads and streets may be flooded.
* ADDITIONAL DETAILS...
- At 126 PM CDT, Doppler radar indicated heavy rain due to
thunderstorms. Radar and observations indicate these storms are
producing a quick 1 to 2 inches of rain in less than 45 minutes.
This will likely result in minor flooding shortly after
thunderstorms arrive.
- Some locations that will experience flooding include...
Chicago, Cicero, Evanston, Skokie, Berwyn, Wheaton, Oak Park,
Downers Grove, Elmhurst, Lombard, Ohare Airport, Carol Stream,
Park Ridge, Addison, Glendale Heights and Niles.
- 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 4207 8767 4206 8766 4203 8766 4201 8765
4199 8765 4197 8763 4195 8763 4193 8762
4192 8762 4191 8761 4191 8760 4190 8759
4188 8759 4188 8761 4187 8760 4185 8760
4183 8759 4180 8826 4189 8826
$$
Carlaw
Action: Continued Issued At: 2026-08-09 14:14:52
957
WGUS83 KLOT 091914
FLSLOT
Flood Advisory
National Weather Service Chicago IL
214 PM CDT Sun Aug 9 2026
ILC031-043-092130-
/O.CON.KLOT.FA.Y.0083.000000T0000Z-260809T2130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-DuPage IL-
214 PM CDT Sun Aug 9 2026
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 430 PM CDT THIS
AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Northeastern Cook County in northeastern Illinois...
Central DuPage County in northeastern Illinois...
* WHEN...Until 430 PM CDT.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Underpasses may be
flooded. Roads and streets may be flooded.
* ADDITIONAL DETAILS...
- At 213 PM CDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Up to 1.5 inches of rain have
fallen.
- Additional rainfall amounts up to 1.5 inches are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Chicago, Cicero, Evanston, Skokie, Berwyn, Wheaton, Oak Park,
Downers Grove, Elmhurst, Lombard, Ohare Airport, Carol Stream,
Park Ridge, Addison, Glendale Heights and Niles.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.
&&
LAT...LON 4207 8767 4206 8766 4203 8766 4201 8765
4199 8765 4197 8763 4195 8763 4193 8762
4192 8762 4191 8761 4191 8760 4190 8759
4188 8759 4188 8761 4187 8760 4185 8760
4183 8759 4180 8826 4189 8826
$$
Doom
Action: Continued Issued At: 2026-08-09 14:44:53
592
WGUS83 KLOT 091944
FLSLOT
Flood Advisory
National Weather Service Chicago IL
244 PM CDT Sun Aug 9 2026
ILC031-043-092130-
/O.CON.KLOT.FA.Y.0083.000000T0000Z-260809T2130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-DuPage IL-
244 PM CDT Sun Aug 9 2026
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 430 PM CDT THIS
AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Northeastern Cook County in northeastern Illinois...
Central DuPage County in northeastern Illinois...
* WHEN...Until 430 PM CDT.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Underpasses may be
flooded. Roads and streets may be flooded.
* ADDITIONAL DETAILS...
- At 242 PM CDT, local law enforcement reported flooded roadways
and cars stranded in floodwater in the Addison area. Across the
advisory area, minor flooding is ongoing or expected to begin
shortly. Between 1 and 1.5 inches of rain have fallen.
- Additional rainfall amounts up to 0.5 inches are expected over
the area. This additional rain may result in minor flooding.
- Some locations that will experience flooding include...
Chicago, Cicero, Evanston, Skokie, Berwyn, Wheaton, Oak Park,
Downers Grove, Elmhurst, Lombard, Ohare Airport, Carol Stream,
Park Ridge, Addison, Glendale Heights and Niles.
- 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.
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4207 8767 4206 8766 4203 8766 4201 8765
4199 8765 4197 8763 4195 8763 4193 8762
4192 8762 4191 8761 4191 8760 4190 8759
4188 8759 4188 8761 4187 8760 4185 8760
4183 8759 4180 8826 4189 8826
$$
Doom
Action: Continued Issued At: 2026-08-09 15:48:24
489
WGUS83 KLOT 092047
FLSLOT
Flood Advisory
National Weather Service Chicago IL
347 PM CDT Sun Aug 9 2026
ILC031-043-092130-
/O.CON.KLOT.FA.Y.0083.000000T0000Z-260809T2130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-DuPage IL-
347 PM CDT Sun Aug 9 2026
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 430 PM CDT THIS
AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Northeastern Cook County in northeastern Illinois...
Central DuPage County in northeastern Illinois...
* WHEN...Until 430 PM CDT.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Underpasses may be
flooded. Roads and streets may be flooded.
* ADDITIONAL DETAILS...
- At 346 PM CDT, doppler radar and automated rain gauges indicated
heavy rain in the advisory area due to thunderstorms. Local law
enforcement recently reported flooded roadways and cars stranded
in floodwater in the Addison area. Across the advisory area,
minor flooding is ongoing or expected to begin shortly. Between 1
and 1.5 inches of rain have fallen.
- Flooding impacts will continue, but no additional heavy rainfall
is expected.
- Some locations that will experience flooding include...
Chicago, Cicero, Evanston, Skokie, Berwyn, Wheaton, Oak Park,
Downers Grove, Elmhurst, Lombard, Ohare Airport, Carol Stream,
Park Ridge, Addison, Glendale Heights and Niles.
- 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.
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4207 8767 4206 8766 4203 8766 4201 8765
4199 8765 4197 8763 4195 8763 4193 8762
4192 8762 4191 8761 4191 8760 4190 8759
4188 8759 4188 8761 4187 8760 4185 8760
4183 8759 4180 8826 4189 8826
$$
Doom
Action: Expired Issued At: 2026-08-09 16:23:56
477
WGUS83 KLOT 092123
FLSLOT
Flood Advisory
National Weather Service Chicago IL
423 PM CDT Sun Aug 9 2026
ILC031-043-092133-
/O.EXP.KLOT.FA.Y.0083.000000T0000Z-260809T2130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-DuPage IL-
423 PM CDT Sun Aug 9 2026
...FLOOD ADVISORY WILL EXPIRE AT 430 PM CDT THIS AFTERNOON...
The Flood Advisory will expire at 430 PM CDT this afternoon for a
portion of northeast Illinois, including the following areas, Cook
and DuPage.
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 4207 8767 4206 8766 4203 8766 4201 8765
4199 8765 4197 8763 4195 8763 4193 8762
4192 8762 4191 8761 4191 8760 4190 8759
4188 8759 4188 8761 4187 8760 4185 8760
4183 8759 4180 8826 4189 8826
$$
Doom
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