449  
WWUS43 KLOT 071023  
WSWLOT  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
423 AM CST SUN DEC 7 2025  
 
ILZ003-004-008-010-011-019-071200-  
/O.CON.KLOT.WW.Y.0010.000000T0000Z-251207T1200Z/  
WINNEBAGO-BOONE-OGLE-LEE-DE KALB-LA SALLE-  
INCLUDING THE CITIES OF BYRON, ROCHELLE, STREATOR, ROCKFORD,  
DEKALB, MENDOTA, BELVIDERE, OREGON, MARSEILLES, OTTAWA, DIXON, LA  
SALLE, AND SYCAMORE  
423 AM CST SUN DEC 7 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY  
THIS MORNING...  
 
* WHAT...SNOW. TOTAL SNOW ACCUMULATIONS RANGING FROM 2 TO 6 INCHES.  
THE HIGHEST AMOUNTS ARE EXPECTED NEAR AND NORTH OF I-88.  
 
* WHERE...BOONE, DE KALB, LA SALLE, LEE, OGLE, AND WINNEBAGO  
COUNTIES.  
 
* WHEN...UNTIL 6 AM CST EARLY THIS MORNING.  
 
* IMPACTS...PLAN ON HAZARDOUS TRAVEL CONDITIONS WHERE ROADS ARE SNOW  
COVERED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD  
CONDITIONS FOR ILLINOIS CAN BE OBTAINED AT  
WWW.GETTINGAROUNDILLINOIS.COM.  
 
 
 
 
 
ILZ005-006-012-013-020-103>106-071500-  
/O.CON.KLOT.WW.Y.0010.000000T0000Z-251207T1500Z/  
MCHENRY-LAKE IL-KANE-DUPAGE-KENDALL-NORTHERN COOK-CENTRAL COOK-  
SOUTHERN COOK-NORTHERN WILL-  
INCLUDING THE CITIES OF PARK FOREST, WOODSTOCK, MOKENA, PALATINE,  
CHICAGO, OAK LAWN, OAK PARK, MCHENRY, CICERO, WHEATON, GURNEE,  
LEMONT, LA GRANGE, LOMBARD, MUNDELEIN, ELGIN, DES PLAINES, CAROL  
STREAM, YORKVILLE, JOLIET, DOWNERS GROVE, SCHAUMBURG, CALUMET  
CITY, NORTHBROOK, BUFFALO GROVE, ORLAND PARK, PLANO, WAUKEGAN,  
ALGONQUIN, BOLINGBROOK, NAPERVILLE, PLAINFIELD, OAK FOREST,  
EVANSTON, CRYSTAL LAKE, OSWEGO, AND AURORA  
423 AM CST SUN DEC 7 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS  
MORNING...  
 
* WHAT...SNOW. TOTAL SNOW ACCUMULATIONS RANGING FROM 2 TO 6 INCHES.  
THE HIGHEST AMOUNTS ARE EXPECTED NEAR AND NORTH OF I-88.  
 
* WHERE...COOK, DUPAGE, KANE, KENDALL, LAKE (IL), MCHENRY, AND  
NORTHERN WILL COUNTIES.  
 
* WHEN...UNTIL 9 AM CST THIS MORNING.  
 
* IMPACTS...PLAN ON HAZARDOUS TRAVEL CONDITIONS WHERE ROADS ARE SNOW  
COVERED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD  
CONDITIONS FOR ILLINOIS CAN BE OBTAINED AT  
WWW.GETTINGAROUNDILLINOIS.COM.  
 
 
 
 
 
ILZ021-107-108-INZ001-002-071500-  
/O.CON.KLOT.WW.Y.0010.000000T0000Z-251207T1500Z/  
GRUNDY-SOUTHERN WILL-EASTERN WILL-LAKE IN-PORTER-  
INCLUDING THE CITIES OF MORRIS, GARY, HAMMOND, MINOOKA, CRETE,  
MERRILLVILLE, WILMINGTON, PORTAGE, MANHATTAN, BEECHER,  
VALPARAISO, CHANNAHON, CHESTERTON, PEOTONE, AND COAL CITY  
423 AM CST SUN DEC 7 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS  
MORNING...  
 
* WHAT...SNOW. TOTAL SNOW ACCUMULATIONS UP TO 3 INCHES.  
 
* WHERE...IN ILLINOIS, EASTERN WILL, GRUNDY, AND SOUTHERN WILL  
COUNTIES. IN INDIANA, LAKE AND PORTER COUNTIES.  
 
* WHEN...UNTIL 9 AM CST THIS MORNING.  
 
* IMPACTS...PLAN ON SLICK ROAD CONDITIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD  
CONDITIONS FOR ILLINOIS CAN BE OBTAINED AT  
WWW.GETTINGAROUNDILLINOIS.COM. THE LATEST ROAD CONDITIONS FOR  
INDIANA CAN BE OBTAINED AT HTTPS://511IN.ORG.  
 
 
 
 
 
OGOREK  
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