868  
FLUS43 KDVN 231958  
HWODVN  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
258 PM CDT WED JUL 23 2025  
 
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-  
009-015>018-024>026-034-035-MOZ009-010-241100-  
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-  
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-  
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-  
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-  
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-  
258 PM CDT WED JUL 23 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL  
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST  
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST  
MISSOURI.  
   
DAY ONE  
THIS AFTERNOON AND TONIGHT  
 
DANGEROUS HEAT AND OPPRESSIVE HUMIDITY WILL CONTINUE INTO THE  
EVENING, AND A HEAT ADVISORY CONTINUES FOR THE ENTIRE AREA.  
 
A LINE OF THUNDERSTORMS ARE EXPECTED TO MOVE INTO THE AREA FROM  
THE NORTHWEST MAINLY AFTER MIDNIGHT. SOME STORMS MAY BE ABLE TO  
PRODUCE GUSTY WINDS AS THEY ARRIVE, ESPECIALLY NORTHWEST OF A LINE  
GENERALLY FROM CEDAR RAPIDS TO DUBUQUE IOWA. OTHERWISE, THEY  
SHOULD BE IN A WEAKENING MODE AS THEY SPREAD FURTHER TO THE SOUTH  
AND EAST INTO THURSDAY MORNING.  
   
DAYS TWO THROUGH SEVEN  
THURSDAY THROUGH TUESDAY  
 
DANGEROUS HEAT AND OPPRESSIVE HUMIDITY ARE FORECAST TO CONTINUE  
THURSDAY, HOWEVER CLOUDS AND THUNDERSTORMS MAY BRING TEMPORARY  
RELIEF FROM THE HEAT ACROSS PORTIONS OF THE OUTLOOK AREA,  
ESPECIALLY NORTH OF INTERSTATE 80. A HEAT ADVISORY REMAINS IN  
EFFECT INTO THURSDAY FOR AFTERNOON HEAT INDEX READINGS UP TO 105  
DEGREES.  
 
THUNDERSTORM CHANCES WILL INCREASE AGAIN THURSDAY INTO SATURDAY  
ALONG A SLOW MOVING COLD FRONT. SOME STORMS MAY BE STRONG TO  
SEVERE ON THURSDAY ALONG WITH THE CAPABILITY TO PRODUCE HEAVY  
RAINFALL. FOR THE REST OF WEEK AND INTO THE WEEKEND, IT IS TOO  
EARLY TO DETERMINE THE THREAT FOR SEVERE WEATHER.  
   
SPOTTER INFORMATION STATEMENT  
 
THERE IS A LOW CHANCE THAT SPOTTER ACTIVATION WILL BE NEEDED LATE  
TONIGHT ACROSS EASTERN IOWA.  
 
 
 
12  
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