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Monday, Aug 10, 2026 02:31:38

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Areal Flood Advisory 0088
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2026-08-09 22:16:37 2026-08-09 22:16:00 2026-08-10 02:15:00
Cancelled 2026-08-09 23:34:39 2026-08-10 02:15:00

Action: New
Issued At: 2026-08-09 22:16:37 

332 
WGUS83 KLOT 100316
FLSLOT

Flood Advisory
National Weather Service Chicago IL
1016 PM CDT Sun Aug 9 2026

ILC037-099-100715-
/O.NEW.KLOT.FA.Y.0088.260810T0316Z-260810T0715Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Kalb IL-La Salle IL-
1016 PM CDT Sun Aug 9 2026

...FLOOD ADVISORY IN EFFECT UNTIL 215 AM CDT MONDAY...

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

* WHERE...De Kalb County in north central Illinois...
  Northern La Salle County in north central Illinois...

* WHEN...Until 215 AM CDT.

* IMPACTS...Creeks and streams may rise out of their banks. Roads and
  streets may be flooded.

* ADDITIONAL DETAILS...
  - At 1014 PM CDT, Doppler radar indicated slow moving thunderstorms
    with rainfall rates of 2 to 3 inches per hour moving into the
    area. Minor flooding is expected to begin shortly after the onset
    of rainfall.
  - Some locations that will experience flooding include...
    DeKalb, Sandwich, Mendota, Sheridan, Shabbona, Lake Holiday,
    Cortland, Hinckley, Somonauk, Earlville, Waterman, Maple Park,
    Malta, Serena, Leland, Millington, Lee, Harding and Norway.
  - 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 4169 8894 4194 8894 4197 8860 4146 8860
      4149 8917 4163 8917 4163 8894


$$

WSL
Action: Cancelled
Issued At: 2026-08-09 23:34:39 

215 
WGUS83 KLOT 100434 RRA
FLSLOT

Flood Advisory
National Weather Service Chicago IL
1134 PM CDT Sun Aug 9 2026

ILC037-099-100444-
/O.CAN.KLOT.FA.Y.0088.000000T0000Z-260810T0715Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Kalb IL-La Salle IL-
1134 PM CDT Sun Aug 9 2026

...FLOOD ADVISORY CONTINUES...

The Flood Advisory has been replaced by a new Flood Advisory for a
portion of north central Illinois, including the following areas, De
Kalb and La Salle.

A Flood Watch remains in effect until 700 AM CDT Monday for portions
of Illinois and northwest Indiana...

&&

LAT...LON 4169 8894 4194 8894 4197 8860 4146 8860
      4149 8917 4163 8917 4163 8894


$$

WSL

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