365  
WGUS83 KLOT 020310 RRA  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
1010 PM CDT THU OCT 1 2026  
 
ILC031-197-021200-  
/O.EXT.KLOT.FA.Y.0127.000000T0000Z-261002T1200Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
COOK IL-WILL IL-  
1010 PM CDT THU OCT 1 2026  
   
..FLOOD ADVISORY NOW IN EFFECT UNTIL 7 AM CDT FRIDAY
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES.  
 
* WHERE...SOUTHEASTERN COOK COUNTY IN NORTHEASTERN ILLINOIS...  
NORTHWESTERN WILL COUNTY IN NORTHEASTERN ILLINOIS...  
 
* WHEN...UNTIL 700 AM CDT FRIDAY.  
 
* IMPACTS...CREEKS AND STREAMS MAY RISE OUT OF THEIR BANKS. FLOODING  
MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS. UNDERPASSES MAY BE  
FLOODED. ROADS AND STREETS MAY BE FLOODED. STORM DRAINS AND DITCHES  
MAY BE CLOGGED WITH DEBRIS, INCREASING THE RISK OF FLOODING.  
 
* ADDITIONAL DETAILS...  
- AT 1009 PM CDT, DOPPLER RADAR INDICATED HEAVY RAIN. MINOR  
FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY IN THE ADVISORY  
AREA. BETWEEN 1 AND 2.5 INCHES OF RAIN HAVE FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS UP TO 0.5 INCHES ARE EXPECTED OVER  
THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
CHICAGO, JOLIET, HAMMOND, BOLINGBROOK, ORLAND PARK, TINLEY PARK,  
OAK LAWN, ROMEOVILLE, PLAINFIELD, CALUMET CITY, CHICAGO HEIGHTS,  
ROSELAND, LANSING, OAK FOREST, HARVEY, LOCKPORT, NEW LENOX, HOMER  
GLEN, BLUE ISLAND, DOLTON, HOMEWOOD, ALSIP AND MATTESON.  
- 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 4167 8826 4168 8803 4173 8752 4165 8752  
4155 8753 4147 8781 4134 8825  
 

 
 
YACK  
 
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