912  
WUUS53 KDVN 182250  
SVRDVN  
ILC073-131-187-190000-  
/O.NEW.KDVN.SV.W.0136.250818T2250Z-250819T0000Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL  
550 PM CDT MON AUG 18 2025  
 
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHERN WARREN COUNTY IN WEST CENTRAL ILLINOIS...  
EASTERN MERCER COUNTY IN NORTHWESTERN ILLINOIS...  
SOUTHERN HENRY COUNTY IN NORTHWESTERN ILLINOIS...  
 
* UNTIL 700 PM CDT.  
 
* AT 550 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM OSCO TO NEW WINDSOR TO LAKE WARREN, MOVING EAST AT  
25 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...PUBLIC.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
KEWANEE, CAMBRIDGE, GALVA, BURGESS, VIOLA, WOODHULL, ALPHA,  
ANDOVER, LITTLE YORK, NORTH HENDERSON, CABLE, NEW WINDSOR, LAKE  
WARREN, LYNN CENTER, ALEXIS, BISHOP HILL, HENRY COUNTY FAIRGROUNDS,  
GERLAW, OPHIEM, AND GERMAN CORNER.  
 
THIS INCLUDES INTERSTATE 74 IN ILLINOIS BETWEEN MILE MARKERS 21 AND  
33.  
 
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 4115 8987 4115 9044 4097 9044 4096 9079  
4119 9065 4133 9047 4133 9044 4134 9043  
4135 8986  
TIME...MOT...LOC 2250Z 273DEG 20KT 4133 9027 4117 9045 4101 9064  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...OBSERVED  
MAX WIND GUST...60 MPH  
 
 
 
UTTECH  
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