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Sunday, Aug 16, 2026 10:49:17

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Areal Flood Advisory 0108
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2026-08-12 12:34:19 2026-08-12 12:33:00 2026-08-12 14:30:00
Expired 2026-08-12 14:31:51 2026-08-12 14:30:00


Action: New
Issued At: 2026-08-12 12:34:19

810 
WGUS83 KLOT 121733 RRA
FLSLOT

Flood Advisory
National Weather Service Chicago IL
1233 PM CDT Wed Aug 12 2026

INC073-089-111-127-121930-
/O.NEW.KLOT.FA.Y.0108.260812T1733Z-260812T1930Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jasper IN-Lake IN-Newton IN-Porter IN-
1233 PM CDT Wed Aug 12 2026

...FLOOD ADVISORY IN EFFECT UNTIL 230 PM CDT THIS AFTERNOON...

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

* WHERE...Jasper County in northwestern Indiana...
  Lake IN County in northwestern Indiana...
  Northern Newton County in northwestern Indiana...
  Southern Porter County in northwestern Indiana...

* WHEN...Until 230 PM CDT.

* IMPACTS...Flooding may occur in poor drainage and urban areas. High
  water likely may recede slowly from flooded areas.

* ADDITIONAL DETAILS...
  - At 1230 PM CDT, Doppler radar indicated that rainfall was
    beginning to move out of the area. Some creeks may continue to
    rise or remain elevated for a few hours due to earlier heavy
    rainfall.
  - This replaces a Flash Flood Warning previously in effect.
  - Some locations that will experience flooding include...
    Merrillville, Schererville, Crown Point, Cedar Lake, Lowell,
    DeMotte, Hebron, Wheatfield, Lake Village, St. John, Lakes of the
    Four Seasons, Winfield, Roselawn, Kouts, Lake Dalecarlia, Shelby,
    Hanging Grove, Schneider and Stoutsburg.
  - 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 4117 8753 4147 8753 4146 8723 4141 8693
      4091 8693 4091 8694 4100 8732 4111 8753


$$

WSL


Action: Expired
Issued At: 2026-08-12 14:31:51

461 
WGUS83 KLOT 121931
FLSLOT

Flood Advisory
National Weather Service Chicago IL
231 PM CDT Wed Aug 12 2026

INC073-089-111-127-121941-
/O.EXP.KLOT.FA.Y.0108.000000T0000Z-260812T1930Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jasper IN-Lake IN-Newton IN-Porter IN-
231 PM CDT Wed Aug 12 2026

...FLOOD ADVISORY HAS EXPIRED...

The Flood Advisory has expired for a portion of northwest Indiana,
including the following areas, Jasper, Lake IN, Newton and Porter.

Heavy rainfall has ended and no new flooding is expected.

&&

LAT...LON 4117 8753 4147 8753 4146 8723 4141 8693
      4091 8693 4091 8694 4100 8732 4111 8753


$$

Carlaw



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