347  
WWUS73 KDVN 120046  
NPWDVN  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
746 PM CDT TUE AUG 11 2026  
 
IAZ076>078-087>089-098-099-ILZ024>026-034-035-MOZ009-010-120200-  
/O.EXP.KDVN.HT.Y.0007.000000T0000Z-260812T0100Z/  
KEOKUK-WASHINGTON-LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-  
LEE-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-  
INCLUDING THE CITIES OF WASHINGTON, WAPELLO, FAIRFIELD, KAHOKA,  
KEOSAUQUA, CARTHAGE, FORT MADISON, MOUNT PLEASANT, ALEDO, MONMOUTH,  
OQUAWKA, SIGOURNEY, BURLINGTON, MACOMB, AND MEMPHIS  
746 PM CDT TUE AUG 11 2026  
   
..HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING
 
 
HEAT INDEX READINGS ARE EXPECTED TO CONTINUE TO DECREASE TO BELOW 100  
DEGREES THROUGH THE EVENING HOURS TODAY. THUS, THE HEAT THREAT HAS  
ENDED, AND THE HEAT ADVISORY WILL BE ALLOWED TO EXPIRE.  
 

 
 
JTS  
 
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