661
FPUS53 KLOT 181821
ZFPLOT
ZONE FORECAST PRODUCT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE, IL
121 PM CDT SUN OCT 18 2026
ILZ104-190200-
CENTRAL COOK-
INCLUDING THE CITIES OF CHICAGO, CICERO, OAK LAWN, OAK PARK,
AND LA GRANGE
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING SUNNY.
HIGHS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE LOWER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
ILZ103-190200-
NORTHERN COOK-
INCLUDING THE CITIES OF EVANSTON, DES PLAINES, SCHAUMBURG,
PALATINE, AND NORTHBROOK
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY, BREEZY. HIGHS IN THE LOWER 60S.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.
TONIGHT
CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 60S.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
ILZ105-190200-
SOUTHERN COOK-
INCLUDING THE CITIES OF CALUMET CITY, OAK FOREST, LEMONT,
ORLAND PARK, AND PARK FOREST
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS AROUND 40. SOUTH WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING SUNNY.
HIGHS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 50.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SATURDAY
PARTLY CLOUDY. HIGHS AROUND 70.
ILZ006-190200-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY, BREEZY. HIGHS AROUND 60. SOUTHWEST WINDS
15 TO 20 MPH WITH GUSTS UP TO 30 MPH.
TONIGHT
CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH
IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 60S. TEMPERATURE FALLING TO AROUND 60 IN THE AFTERNOON.
EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 60S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 60S.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
ILZ005-190200-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY, BREEZY. HIGHS AROUND 60. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS UP TO 30 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTHWEST WINDS 5 TO
10 MPH.
MONDAY
SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 60S.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
ILZ012-190200-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. PATCHY FROST LATE. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING SUNNY.
HIGHS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS AROUND 70.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
ILZ013-190200-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS AROUND 40. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS AROUND 70.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 50.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 60S.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
ILZ020-190200-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. PATCHY FROST LATE. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING SUNNY.
HIGHS AROUND 70. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
ILZ106-190200-
NORTHERN WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, PLAINFIELD,
AND MOKENA
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING SUNNY.
HIGHS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS AROUND 70.
ILZ107-190200-
SOUTHERN WILL-
INCLUDING THE CITIES OF CHANNAHON, MANHATTAN, AND WILMINGTON
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
ILZ108-190200-
EASTERN WILL-
INCLUDING THE CITIES OF CRETE, PEOTONE, AND BEECHER
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. EAST WINDS AROUND
5 MPH.
TUESDAY
SUNNY. HIGHS AROUND 70. LIGHT AND VARIABLE WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS AROUND 70.
INZ001-190200-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. PATCHY FROST LATE. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS AROUND 40. EAST WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 60S. LIGHT AND VARIABLE
WINDS, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS AROUND 70.
INZ002-190200-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40. EAST WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS AROUND 70.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING SUNNY.
HIGHS IN THE UPPER 60S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
ILZ003-190200-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY, BREEZY. NEAR STEADY TEMPERATURE AROUND
60. SOUTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.
TONIGHT
CLEAR. LOWS AROUND 40. SOUTH WINDS 5 TO 10 MPH.
MONDAY
SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 40S. SOUTHEAST WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS AROUND 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 60S.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
SATURDAY
PARTLY CLOUDY. HIGHS AROUND 70.
ILZ004-190200-
BOONE-
INCLUDING THE CITY OF BELVIDERE
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY, BREEZY. HIGHS IN THE LOWER 60S.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.
TONIGHT
CLEAR. LOWS AROUND 40. SOUTH WINDS 5 TO 10 MPH.
MONDAY
SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 40S. SOUTHEAST WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT AND VARIABLE.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS AROUND 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 60S.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
ILZ008-190200-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY, BREEZY. HIGHS IN THE LOWER 60S. SOUTH
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 40S. EAST WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
ILZ011-190200-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 40S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING SUNNY.
HIGHS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS AROUND 70.
ILZ010-190200-
LEE-
INCLUDING THE CITY OF DIXON
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. PATCHY FROST LATE. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
MONDAY
SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING SUNNY.
HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
ILZ019-190200-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
ILZ021-190200-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
ILZ032-190200-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. EAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S.
ILZ023-190200-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. PATCHY FROST LATE. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE LOWER 70S. LIGHT AND VARIABLE
WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE MID 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
ILZ039-190200-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. EAST WINDS AROUND
5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 70S. LIGHT AND VARIABLE
WINDS, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
ILZ033-190200-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE LOWER 70S. LIGHT AND VARIABLE
WINDS.
TUESDAY NIGHT
CLEAR. LOWS IN THE LOWER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE MID 40S.
THURSDAY
SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
INZ010-190200-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE LOWER 70S. LIGHT AND VARIABLE
WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE MID 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
INZ011-190200-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
121 PM CDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLEAR. PATCHY FROST LATE. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE LOWER 70S. LIGHT AND VARIABLE
WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE MID 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SATURDAY
PARTLY CLOUDY. HIGHS AROUND 70.
INZ019-190200-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
221 PM EDT SUN OCT 18 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
10 TO 15 MPH.
TONIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. EAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS AROUND 70. LIGHT AND VARIABLE WINDS.
TUESDAY NIGHT
CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SATURDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 70.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page