714  
WGUS83 KLOT 120037  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
737 PM CDT THU JUN 11 2026  
 
ILC197-INC089-127-120345-  
/O.NEW.KLOT.FA.Y.0037.260612T0037Z-260612T0345Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
WILL IL-LAKE IN IN-PORTER IN-  
737 PM CDT THU JUN 11 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL 1045 PM CDT THIS EVENING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...PORTIONS OF NORTHEAST ILLINOIS, INCLUDING THE FOLLOWING  
COUNTY, WILL AND NORTHWEST INDIANA, INCLUDING THE FOLLOWING  
COUNTIES, LAKE IN AND PORTER.  
 
* WHEN...UNTIL 1045 PM CDT.  
 
* IMPACTS...CREEKS AND STREAMS MAY RISE OUT OF THEIR BANKS. ROADS  
AND STREETS MAY BE FLOODED.  
 
* ADDITIONAL DETAILS...  
- AT 734 PM CDT, DOPPLER RADAR INDICATED INDICATED  
THUNDERSTORMS PRODUCING HEAVY RAINFALL WITH RATES IN EXCESS  
OF AN INCH PER HOUR WILL MOVE ACROSS THE ADVISORY AREA  
THROUGH AROUND 830 PM CDT. RAINFALL AMOUNTS IN EXCESS OF 2  
INCHES ARE POSSIBLE.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
HAMMOND, GARY, PORTAGE, MERRILLVILLE, VALPARAISO,  
SCHERERVILLE, HOBART, CROWN POINT, HIGHLAND, MUNSTER,  
CHESTERTON, CEDAR LAKE, GRIFFITH, DYER, ST. JOHN, LAKE  
STATION, LAKES OF THE FOUR SEASONS, SOUTH HAVEN, PORTER AND  
WINFIELD.  
- 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 4147 8757 4147 8753 4152 8752 4164 8738  
4163 8728 4164 8721 4166 8715 4167 8709  
4172 8695 4172 8692 4171 8693 4141 8693  
4133 8758  
 

 
 
RATZER  
 
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