216 
WGUS73 KLOT 172132
FFSLOT

Flash Flood Statement
National Weather Service Chicago IL
432 PM CDT Wed Jun 17 2026

ILC031-INC089-180000-
/O.CON.KLOT.FF.W.0017.000000T0000Z-260618T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-Lake IN IN-
432 PM CDT Wed Jun 17 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING 
FOR SOUTHEASTERN COOK AND NORTHERN LAKE IN COUNTIES...

At 432 PM CDT, Doppler radar and automated rain gauges indicated 
that the heavy rain had moved out of the warned area. Up to 2 inches 
of rain have fallen. Standing water likely remained on numerous 
roadways and multiple creeks are showing rapid rises.

HAZARD...Flash flooding.

SOURCE...Radar and automated gauges.

IMPACT...Rapid-onset flooding of creeks, streams, drainage
         ditches, streets, underpasses, low-lying areas, and
         other poor drainage areas.

Some locations that will experience flash flooding include...
  Hammond, Gary, Tinley Park, Calumet City, Portage, Merrillville, 
  Chicago Heights, East Chicago, Schererville, Hobart, Lansing, Oak 
  Forest, Harvey, Highland, Munster, Dolton, Park Forest, Homewood, 
  Matteson and Frankfort.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Warning means rapid-onset flooding is imminent or may 
already be occurring. Persons along creeks, drainage ditches, and 
other waterways should take immediate precautions to protect life 
and property.

&&

LAT...LON 4165 8743 4162 8722 4147 8722 4147 8779
      4155 8779 4162 8769 4164 8759

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

RC