695  
WWUS73 KLOT 221829  
NPWLOT  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
129 PM CDT FRI OCT 22 2021  
 
ILZ003>006-008-010>013-019>021-103-106-107-230230-  
/O.NEW.KLOT.FR.Y.0007.211023T0500Z-211023T1300Z/  
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-  
LA SALLE-KENDALL-GRUNDY-NORTHERN COOK-NORTHERN WILL-SOUTHERN WILL-  
INCLUDING THE CITIES OF ROCKFORD, BELVIDERE, CRYSTAL LAKE,  
ALGONQUIN, MCHENRY, WOODSTOCK, WAUKEGAN, BUFFALO GROVE,  
MUNDELEIN, GURNEE, ROCHELLE, OREGON, BYRON, DIXON, DEKALB,  
SYCAMORE, AURORA, ELGIN, NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, CAROL STREAM, OTTAWA, STREATOR, LA SALLE, MENDOTA,  
MARSEILLES, OSWEGO, YORKVILLE, PLANO, MORRIS, COAL CITY, MINOOKA,  
EVANSTON, DES PLAINES, SCHAUMBURG, PALATINE, NORTHBROOK, JOLIET,  
BOLINGBROOK, PLAINFIELD, MOKENA, CHANNAHON, MANHATTAN,  
AND WILMINGTON  
129 PM CDT FRI OCT 22 2021  
 
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT  
SATURDAY...  
 
* WHAT...LOW TEMPERATURES IN THE LOW TO MID 30S WILL RESULT IN  
FROST FORMATION. SOME OF THE TYPICALLY COLDER LOCATIONS COULD  
DROP BELOW FREEZING FOR A TIME EARLY SATURDAY MORNING.  
 
* WHERE...PORTIONS OF NORTH CENTRAL AND NORTHEAST ILLINOIS.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO 8 AM CDT SATURDAY.  
 
* IMPACTS...FROST COULD KILL SENSITIVE OUTDOOR VEGETATION IF  
LEFT UNCOVERED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.  
 

 
 

 
 
- IZZI  
 
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