436
WWUS73 KLOT 230807
NPWLOT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
307 AM CDT THU OCT 23 2025
ILZ003-004-008-010-011-019-021-023-032-033-039-231815-
/O.NEW.KLOT.FZ.W.0001.251024T0600Z-251024T1300Z/
/O.CON.KLOT.FR.Y.0003.000000T0000Z-251023T1400Z/
WINNEBAGO-BOONE-OGLE-LEE-DE KALB-LA SALLE-GRUNDY-KANKAKEE-
LIVINGSTON-IROQUOIS-FORD-
INCLUDING THE CITIES OF MENDOTA, BYRON, GILMAN, DIXON, FAIRBURY,
MARSEILLES, MINOOKA, PONTIAC, DWIGHT, OTTAWA, BRADLEY,
BOURBONNAIS, COAL CITY, LA SALLE, DEKALB, SYCAMORE, STREATOR,
KANKAKEE, OREGON, MORRIS, ROCHELLE, ROCKFORD, BELVIDERE, PAXTON,
WATSEKA, AND GIBSON CITY
307 AM CDT THU OCT 23 2025
..FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING
..FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY
* WHAT...FOR THE FROST ADVISORY, TEMPERATURES AS LOW AS 30 WILL
RESULT IN FROST FORMATION. FOR THE FREEZE WARNING, SUB-FREEZING
TEMPERATURES AS LOW AS 27 EXPECTED.
* WHERE...LIVINGSTON, FORD, IROQUOIS, BOONE, DE KALB, LA SALLE, LEE,
OGLE, WINNEBAGO, GRUNDY, AND KANKAKEE COUNTIES.
* WHEN...FOR THE FROST ADVISORY, UNTIL 9 AM CDT THIS MORNING. FOR
THE FREEZE WARNING, 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. 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.
ILZ005-012-013-020-106>108-INZ010-011-019-231815-
/O.NEW.KLOT.FZ.W.0001.251024T0600Z-251024T1300Z/
MCHENRY-KANE-DUPAGE-KENDALL-NORTHERN WILL-SOUTHERN WILL-EASTERN
WILL-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF WILMINGTON, MANHATTAN, RENSSELAER, ELGIN,
AURORA, LOMBARD, NAPERVILLE, PEOTONE, OSWEGO, CAROL STREAM,
PLANO, JOLIET, CHANNAHON, CRYSTAL LAKE, DOWNERS GROVE, DEMOTTE,
BOLINGBROOK, MOKENA, MOROCCO, WHEATON, BEECHER, WOODSTOCK,
ALGONQUIN, YORKVILLE, MCHENRY, FOWLER, KENTLAND, ROSELAWN, CRETE,
PLAINFIELD, AND OXFORD
307 AM CDT THU OCT 23 2025 /407 AM EDT THU OCT 23 2025/
...FREEZE WARNING IN EFFECT FROM 1 AM CDT /2 AM EDT/ TO 8 AM CDT /9
AM EDT/ FRIDAY...
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 28 EXPECTED.
* WHERE...IN ILLINOIS, DUPAGE, EASTERN WILL, KANE, KENDALL, MCHENRY,
NORTHERN WILL, AND SOUTHERN WILL COUNTIES. IN INDIANA, BENTON,
JASPER, AND NEWTON COUNTIES.
* 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-INZ001-231815-
/O.NEW.KLOT.FZ.W.0001.251024T0600Z-251024T1300Z/
LAKE IL-NORTHERN COOK-LAKE IN-
INCLUDING THE CITIES OF BUFFALO GROVE, DES PLAINES, GARY,
MUNDELEIN, WAUKEGAN, MERRILLVILLE, EVANSTON, SCHAUMBURG, GURNEE,
HAMMOND, PALATINE, AND NORTHBROOK
307 AM CDT THU OCT 23 2025
..FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 30 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-INZ002-231815-
/O.NEW.KLOT.FR.Y.0004.251024T0600Z-251024T1300Z/
SOUTHERN COOK-PORTER-
INCLUDING THE CITIES OF ORLAND PARK, CHESTERTON, CALUMET CITY,
PORTAGE, PARK FOREST, OAK FOREST, VALPARAISO, AND LEMONT
307 AM CDT THU OCT 23 2025
..FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY
* WHAT...TEMPERATURES AS LOW AS 30 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.
RATZER
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