487  
WWUS53 KLOT 212313  
SVSLOT  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
613 PM CDT FRI AUG 21 2026  
 
ILC037-103-212323-  
/O.CAN.KLOT.SV.W.0262.000000T0000Z-260821T2330Z/  
LEE IL-DE KALB IL-  
613 PM CDT FRI AUG 21 2026  
 
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LEE AND  
SOUTHWESTERN DE KALB COUNTIES IS CANCELLED...  
 
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF  
THE WARNED AREA. THEREFORE, THE WARNING HAS BEEN CANCELLED.  
 
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR  
NORTH CENTRAL ILLINOIS.  
 

 
 
LAT...LON 4159 8917 4163 8915 4162 8874 4150 8878  
4146 8892 4143 8917  
TIME...MOT...LOC 2313Z 311DEG 22KT 4155 8904  
 

 
 
ILC099-212330-  
/O.CON.KLOT.SV.W.0262.000000T0000Z-260821T2330Z/  
LA SALLE IL-  
613 PM CDT FRI AUG 21 2026  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT  
FOR NORTHWESTERN LA SALLE COUNTY...  
 
AT 613 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR MENDOTA, MOVING  
SOUTHEAST AT 25 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO  
ROOFS, SIDING, AND TREES.  
 
LOCATIONS IMPACTED INCLUDE...  
MENDOTA, EARLVILLE, LELAND, TROY GROVE, PRAIRIE CENTER, TRIUMPH, AND  
HARDING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY  
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE  
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4159 8917 4163 8915 4162 8874 4150 8878  
4146 8892 4143 8917  
TIME...MOT...LOC 2313Z 311DEG 22KT 4155 8904  
 
TORNADO...POSSIBLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.25 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
DK  
 
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