117
WWUS73 KLOT 231957
NPWLOT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
257 PM CDT THU OCT 23 2025
ILZ003>005-008-010>013-019>021-023-032-033-039-106>108-INZ010-011-
019-240600-
/O.CON.KLOT.FZ.W.0001.251024T0600Z-251024T1300Z/
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-KANE-DUPAGE-LA SALLE-
KENDALL-GRUNDY-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NORTHERN WILL-
SOUTHERN WILL-EASTERN WILL-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF MINOOKA, DEMOTTE, BEECHER, ALGONQUIN,
MARSEILLES, STREATOR, FAIRBURY, NAPERVILLE, DOWNERS GROVE,
BOURBONNAIS, CHANNAHON, YORKVILLE, MCHENRY, OTTAWA, WILMINGTON,
OREGON, MOROCCO, PLAINFIELD, PONTIAC, MANHATTAN, MOKENA, LOMBARD,
SYCAMORE, PLANO, JOLIET, MORRIS, DWIGHT, KENTLAND, WATSEKA,
BELVIDERE, GILMAN, OSWEGO, FOWLER, ROCHELLE, DEKALB, ROSELAWN,
OXFORD, AURORA, LA SALLE, MENDOTA, GIBSON CITY, BOLINGBROOK,
RENSSELAER, CAROL STREAM, BRADLEY, WHEATON, WOODSTOCK, CRETE,
BYRON, PEOTONE, CRYSTAL LAKE, PAXTON, DIXON, ELGIN, KANKAKEE,
ROCKFORD, AND COAL CITY
257 PM CDT THU OCT 23 2025 /357 PM EDT THU OCT 23 2025/
...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM CDT /2 AM EDT/ TO 8 AM
CDT /9 AM EDT/ FRIDAY...
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS THE UPPER 20S EXPECTED.
* WHERE...PORTIONS OF CENTRAL, EAST CENTRAL, NORTH CENTRAL, AND
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
* WHEN...FROM 1 AM CDT /2 AM EDT/ TO 8 AM CDT /9 AM EDT/ FRIDAY.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
ILZ006-103-INZ001-240600-
/O.CON.KLOT.FZ.W.0001.251024T0600Z-251024T1300Z/
LAKE IL-NORTHERN COOK-LAKE IN-
INCLUDING THE CITIES OF EVANSTON, NORTHBROOK, GARY, MUNDELEIN,
SCHAUMBURG, DES PLAINES, PALATINE, WAUKEGAN, MERRILLVILLE,
GURNEE, BUFFALO GROVE, AND HAMMOND
257 PM CDT THU OCT 23 2025
..FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 29 DEGREES EXPECTED
AWAY FROM LAKE MICHIGAN.
* WHERE...IN ILLINOIS, LAKE IL AND NORTHERN COOK COUNTIES. IN
INDIANA, LAKE IN COUNTY.
* WHEN...FROM 1 AM TO 8 AM CDT FRIDAY.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
ILZ105-INZ002-240600-
/O.CON.KLOT.FR.Y.0004.251024T0600Z-251024T1300Z/
SOUTHERN COOK-PORTER-
INCLUDING THE CITIES OF LEMONT, ORLAND PARK, PARK FOREST,
VALPARAISO, CALUMET CITY, PORTAGE, CHESTERTON, AND OAK FOREST
257 PM CDT THU OCT 23 2025
..FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY
* WHAT...TEMPERATURES AS LOW AS 32 DEGREES WILL RESULT IN FROST
FORMATION AWAY FROM LAKE MICHIGAN.
* WHERE...IN ILLINOIS, SOUTHERN COOK COUNTY. IN INDIANA, PORTER
COUNTY.
* WHEN...FROM 1 AM TO 8 AM CDT FRIDAY.
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
RC
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