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Flood Advisory — Cook County, IL, Lake County, IN
Flood Advisory
Issued
—
Expires
9:00 AM CST · Sat, Nov 14 2026
Issuing Office
NWS KLOT

Affected Areas

Cook County, IL Lake County, IN

Official Bulletin

402

WGUS83 KLOT 131953

FLSLOT

Flood Advisory

National Weather Service Chicago IL

153 PM CST Fri Nov 13 2026

ILC031-INC089-141500-

/O.NEW.KLOT.FA.Y.0129.261113T1953Z-261114T1500Z/

/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Cook IL-Lake IN-

153 PM CST Fri Nov 13 2026

...FLOOD ADVISORY IN EFFECT UNTIL 9 AM CST SATURDAY...

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

* WHERE...Extreme Southeast Central Cook County in northeastern

  Illinois...

  Central Lake IN County in northwestern Indiana...

* WHEN...Until 900 AM CST Saturday.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding

  may occur in poor drainage and urban areas. Storm drains and

  ditches may be clogged with debris, increasing the risk of

  flooding.

* ADDITIONAL DETAILS...

  - At 153 PM CST, Doppler radar indicated lake effect rain. Minor

    flooding is ongoing or expected to begin shortly in the advisory

    area. Between 1 and 2 inches of rain has fallen since Thursday

    evening. Several creeks and streams are rising, including the

    Turkey Creek near Merrillville which has recently risen above

    bankfull.

  - Additional rainfall amounts up to 1 inch are expected over the

    area. This additional rain will result in minor flooding.

  - Some locations that will experience flooding include...

    The Far East side of Chicago, Hammond, Gary, Calumet City,

    Merrillville, South Shore, East Chicago, Schererville, Hobart,

    Lansing, Crown Point, Highland, Munster, Cedar Lake, Griffith,

    Dyer, South Deering, St. John, Lake Station, Lynwood, Lakes of

    the Four Seasons, Whiting, Winfield and New Chicago.

  - 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 4177 8756 4172 8752 4172 8750 4170 8748

      4169 8746 4170 8742 4169 8740 4167 8738

      4166 8740 4164 8737 4163 8729 4164 8724

      4163 8722 4139 8722 4135 8748 4149 8751

      4161 8757

$$

- Izzi