993  
WGUS83 KLOT 180002  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
702 PM CDT WED JUN 17 2026  
 
ILC031-INC089-180500-  
/O.NEW.KLOT.FA.Y.0044.260618T0002Z-260618T0500Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
COOK IL-LAKE IN IN-  
702 PM CDT WED JUN 17 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT  
 
* WHAT...RIVERS TO REMAIN NEAR BANKFULL AND MAY RESULT IN LOCALIZED  
FLOODING NEAR STREAMS AND RIVERS.  
 
* WHERE...PORTIONS OF NORTHEAST ILLINOIS, INCLUDING THE FOLLOWING  
COUNTY, COOK AND NORTHWEST INDIANA, INCLUDING THE FOLLOWING  
COUNTY, LAKE IN.  
 
* WHEN...UNTIL MIDNIGHT CDT TONIGHT.  
 
* IMPACTS...CREEKS AND STREAMS MAY RISE TO NEAR BANKFULL.  
 
* ADDITIONAL DETAILS...  
- AT 659 PM CDT, GAUGES REPORT RISING STREAMS AND RIVERS DUE TO  
EARLIER HEAVY RAINFALL.  
- SOME LOCATIONS THAT WILL EXPERIENCE 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.  
- 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 4165 8742 4162 8722 4147 8722 4147 8779  
4155 8779 4162 8769 4164 8759  
 
 
 
YACK  
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