813  
WUUS53 KDVN 220113  
SVRDVN  
ILC011-073-161-195-IAC163-220200-  
/O.NEW.KDVN.SV.W.0284.260822T0113Z-260822T0200Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL  
813 PM CDT FRI AUG 21 2026  
 
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
EAST CENTRAL ROCK ISLAND COUNTY IN NORTHWESTERN ILLINOIS...  
SOUTHWESTERN WHITESIDE COUNTY IN NORTHWESTERN ILLINOIS...  
NORTHERN HENRY COUNTY IN NORTHWESTERN ILLINOIS...  
NORTHWESTERN BUREAU COUNTY IN NORTH CENTRAL ILLINOIS...  
EAST CENTRAL SCOTT COUNTY IN EAST CENTRAL IOWA...  
 
* UNTIL 900 PM CDT.  
 
* AT 812 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR ERIE TO LE CLAIRE, MOVING SOUTHEAST AT 25 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE  
TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
BETTENDORF, EAST MOLINE, SILVIS, GENESEO, COLONA, LE CLAIRE,  
PROPHETSTOWN, HAMPTON, PORT BYRON, ERIE, RAPIDS CITY, PRINCETON,  
CORDOVA, HOOPPOLE, CLEVELAND, OSBORN, DAYTON, CARBON CLIFF,  
HILLSDALE, AND YORKTOWN.  
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...  
INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 301 AND 306.  
INTERSTATE 80 IN ILLINOIS BETWEEN MILE MARKERS 1 AND 9, AND BETWEEN  
MILE MARKERS 11 AND 20.  
INTERSTATE 88 BETWEEN MILE MARKERS 1 AND 23.  
 
THIS ALSO INCLUDES BIG BEND FISH AND WILDLIFE AREA.  
 
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 4154 8967 4138 9027 4163 9051 4174 9007  
TIME...MOT...LOC 0112Z 313DEG 24KT 4168 9011 4161 9037  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
DC  
 
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