462  
WUUS53 KDVN 182253  
SVRDVN  
ILC015-085-177-195-182345-  
/O.NEW.KDVN.SV.W.0137.250818T2253Z-250818T2345Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL  
553 PM CDT MON AUG 18 2025  
 
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHERN WHITESIDE COUNTY IN NORTHWESTERN ILLINOIS...  
EASTERN JO DAVIESS COUNTY IN NORTHWESTERN ILLINOIS...  
CARROLL COUNTY IN NORTHWESTERN ILLINOIS...  
STEPHENSON COUNTY IN NORTHWESTERN ILLINOIS...  
 
* UNTIL 645 PM CDT.  
 
* AT 553 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR WINSLOW TO SHANNON TO UNIONVILLE, MOVING  
NORTHEAST AT 40 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
FREEPORT, MORRISON, MOUNT CARROLL, LENA, STOCKTON, LANARK, WARREN,  
MILLEDGEVILLE, FAIRHAVEN, PEARL CITY, SHANNON, CEDARVILLE, DAVIS,  
CHADWICK, DAKOTA, GERMAN VALLEY, WINSLOW, ROCK CITY, COLETA, AND  
RIDOTT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
STURDY BUILDING.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4250 8940 4220 8940 4220 8969 4193 8969  
4193 8963 4182 8963 4180 9012 4213 9003  
4251 8999  
TIME...MOT...LOC 2253Z 244DEG 36KT 4250 8985 4217 8975 4183 8998  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
UTTECH  
 
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