WWUS63 KLOT 181503
WCNLOT

WATCH COUNTY NOTIFICATION FOR WATCH 220
NATIONAL WEATHER SERVICE CHICAGO IL
1003 AM CDT MON MAY 18 2026

ILC031-043-053-063-075-091-093-105-197-INC007-073-089-111-127-
182200-
/O.NEW.KLOT.SV.A.0220.260518T1505Z-260518T2200Z/

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
220 IN EFFECT UNTIL 5 PM CDT /6 PM EDT/ THIS AFTERNOON FOR THE
FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 9 COUNTIES

IN CENTRAL ILLINOIS

LIVINGSTON            

IN EAST CENTRAL ILLINOIS

FORD                  IROQUOIS              

IN NORTHEAST ILLINOIS

COOK                  DUPAGE                GRUNDY               
KANKAKEE              KENDALL               WILL                 

IN INDIANA THIS WATCH INCLUDES 5 COUNTIES

IN NORTHWEST INDIANA

BENTON                JASPER                LAKE IN              
NEWTON                PORTER                

THIS INCLUDES THE CITIES OF BOLINGBROOK, BOURBONNAIS, 
CAROL STREAM, CHESTERTON, CHICAGO, COAL CITY, DEMOTTE, 
DOWNERS GROVE, DWIGHT, EVANSTON, FAIRBURY, FOWLER, GARY, 
GIBSON CITY, GILMAN, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LEMONT,
LOMBARD, MERRILLVILLE, MINOOKA, MOROCCO, MORRIS, NAPERVILLE, 
OAK LAWN, ORLAND PARK, OSWEGO, OXFORD, PARK FOREST, PAXTON, 
PLANO, PONTIAC, PORTAGE, RENSSELAER, ROSELAWN, SCHAUMBURG, 
VALPARAISO, WATSEKA, WHEATON, WILMINGTON, AND YORKVILLE.

$$

LMZ740>745-779-182200-
/O.NEW.KLOT.SV.A.0220.260518T1505Z-260518T2200Z/

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
220 IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON FOR THE FOLLOWING
AREAS

THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS

WINTHROP HARBOR TO WILMETTE HARBOR IL       
WILMETTE HARBOR TO NORTHERLY ISLAND IL      
NORTHERLY ISLAND TO CALUMET HARBOR IL       
CALUMET HARBOR IL TO GARY IN                
GARY TO BURNS HARBOR IN                     
BURNS HARBOR TO MICHIGAN CITY IN            
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM
OFFSHORE TO MID LAKE      

$$