429  
WUUS53 KLOT 271715  
SVRLOT  
ILC031-197-271830-  
/O.NEW.KLOT.SV.W.0200.260727T1715Z-260727T1830Z/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
1215 PM CDT MON JUL 27 2026  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
WILL COUNTY IN NORTHEASTERN ILLINOIS...  
SOUTHEASTERN COOK COUNTY IN NORTHEASTERN ILLINOIS...  
 
* UNTIL 130 PM CDT.  
 
* AT 1215 PM CDT, A LARGE SEVERE THUNDERSTORM WAS LOCATED OVER  
DUPAGE AND COOK COUNTIES, MOVING SOUTHEAST AT 30 MPH.  
 
HAZARD...TWO INCH HAIL AND 70 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL  
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT  
CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO  
MOBILE HOMES, ROOFS, AND OUTBUILDINGS.  
 
* LOCATIONS IMPACTED INCLUDE...  
JOLIET, BOLINGBROOK, ORLAND PARK, TINLEY PARK, ROMEOVILLE,  
PLAINFIELD, CALUMET CITY, CHICAGO HEIGHTS, LANSING, OAK FOREST,  
HARVEY, LOCKPORT, NEW LENOX, HOMER GLEN, BLUE ISLAND, DOLTON, PARK  
FOREST, HOMEWOOD, MATTESON, MOKENA, FRANKFORT, LEMONT, CHANNAHON,  
STEGER, AND WILMINGTON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 4166 8823 4164 8753 4130 8753 4129 8823  
TIME...MOT...LOC 1715Z 331DEG 27KT 4178 8796  
 
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...2.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...70 MPH  
 

 
 
BORCHARDT  
 
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