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Areal Flood Advisory 0037
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2025-07-24 16:25:50 2025-07-24 16:25:00 2025-07-24 18:30:00
Expired 2025-07-24 18:27:53 2025-07-24 18:30:00


Action: New
Issued At: 2025-07-24 16:25:50

316 
WGUS83 KLOT 242125
FLSLOT

Flood Advisory
National Weather Service Chicago IL
425 PM CDT Thu Jul 24 2025

ILC063-197-242330-
/O.NEW.KLOT.FA.Y.0037.250724T2125Z-250724T2330Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grundy IL-Will IL-
425 PM CDT Thu Jul 24 2025

...FLOOD ADVISORY IN EFFECT UNTIL 630 PM CDT THIS EVENING...

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

* WHERE...A portion of northeast Illinois, including the following 
  counties, Grundy and Will.

* WHEN...Until 630 PM CDT.

* IMPACTS...Creeks and streams may rise out of their banks. Slow 
  moving or standing water may continue.

* ADDITIONAL DETAILS...
  - At 425 PM CDT, Doppler radar indicated heavy rain due to
    thunderstorms. Up to 2 inches of rain have fallen.
  - Additional rainfall amounts of 1 to 2 inches are expected
    over the area. This additional rain will result in minor
    flooding.
  - Some locations that will experience flooding include...
    Morris, Channahon and Minooka.
  - 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 4146 8820 4140 8820 4137 8825 4135 8839
      4135 8844 4144 8847 4146 8846 4146 8844
      4146 8825


$$

DK


Action: Expired
Issued At: 2025-07-24 18:27:53

088 
WGUS83 KLOT 242327
FLSLOT

Flood Advisory
National Weather Service Chicago IL
627 PM CDT Thu Jul 24 2025

ILC063-197-242337-
/O.EXP.KLOT.FA.Y.0037.000000T0000Z-250724T2330Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grundy IL-Will IL-
627 PM CDT Thu Jul 24 2025

...FLOOD ADVISORY WILL EXPIRE AT 630 PM CDT THIS EVENING...

The Flood Advisory will expire at 630 PM CDT this evening for a 
portion of northeast Illinois, including the following areas, Grundy 
and Will.

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

&&

LAT...LON 4146 8820 4140 8820 4137 8825 4135 8839
      4135 8844 4144 8847 4146 8846 4146 8844
      4146 8825


$$

DK



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