345  
NWUS53 KLOT 061758  
LSRLOT  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1258 PM CDT MON JUL 6 2026  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
0530 PM FLASH FLOOD 2 NE LEMONT 41.69N 87.98W  
07/04/2026 DUPAGE IL TRAINED SPOTTER  
 
WATERFALL GLEN MAIN TRAIL LOOP WASHED OUT  
WEST OF RAILROAD DRIVE, BETWEEN ARGONNE  
NATIONAL LABORATORY AND THE DES PLAINES  
RIVER, DUE TO FLOODING OF UNNAMED CREEK.  
TIME ESTIMATED.  
 

 
 

 
 
WSL  
 
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