668
FPUS53 KLOT 041821
ZFPLOT
ZONE FORECAST PRODUCT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE, IL
120 PM CDT FRI SEP 4 2026
ILZ104-050200-
CENTRAL COOK-
INCLUDING THE CITIES OF CHICAGO, CICERO, OAK LAWN, OAK PARK,
AND LA GRANGE
120 PM CDT FRI SEP 4 2026
THIS AFTERNOON
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. HIGHS IN THE LOWER 90S.
SOUTH WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
HEAT INDEX VALUES UP TO 100.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. PATCHY FOG LATE. HUMID WITH LOWS IN THE MID
70S. WEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID WITH HIGHS IN THE
MID 80S INLAND, BUT ONLY AROUND 80 NEAR THE LAKE. NORTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S INLAND, BUT ONLY IN THE UPPER 70S
NEAR THE LAKE.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 60S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 90.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ103-050200-
NORTHERN COOK-
INCLUDING THE CITIES OF EVANSTON, DES PLAINES, SCHAUMBURG,
PALATINE, AND NORTHBROOK
120 PM CDT FRI SEP 4 2026
THIS AFTERNOON
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. HIGHS AROUND 90. SOUTH
WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT
INDEX VALUES UP TO 100.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS LATE. PATCHY FOG LATE. HUMID
WITH LOWS IN THE LOWER 70S. NORTHWEST WINDS AROUND 5 MPH. CHANCE
OF PRECIPITATION 30 PERCENT.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID WITH HIGHS IN THE
MID 80S INLAND, BUT ONLY AROUND 80 NEAR THE LAKE. NORTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 80 INLAND, BUT ONLY IN THE MID 70S NEAR THE
LAKE. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S INLAND, BUT ONLY IN THE UPPER 70S
NEAR THE LAKE.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 60S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION
30 PERCENT.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
THURSDAY
PARTLY CLOUDY. HIGHS AROUND 80.
ILZ105-050200-
SOUTHERN COOK-
INCLUDING THE CITIES OF CALUMET CITY, OAK FOREST, LEMONT,
ORLAND PARK, AND PARK FOREST
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. HIGHS IN THE LOWER 90S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 103.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. PATCHY FOG LATE. HUMID WITH LOWS IN THE LOWER
70S. WEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE MID 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH, INCREASING TO AROUND 10 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ006-050200-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
120 PM CDT FRI SEP 4 2026
THIS AFTERNOON
PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. HIGHS IN THE
UPPER 80S. SOUTH WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION
40 PERCENT. HEAT INDEX VALUES UP TO 100.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. PATCHY FOG
LATE. HUMID WITH LOWS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE LOWER 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 70S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
PARTLY CLOUDY. HIGHS IN THE UPPER 70S.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 80S.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE
OF PRECIPITATION 40 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 70S.
ILZ005-050200-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
120 PM CDT FRI SEP 4 2026
THIS AFTERNOON
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. HIGHS AROUND 90. SOUTH
WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT
INDEX VALUES UP TO 101.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL EARLY MORNING. PATCHY FOG LATE. HUMID WITH
LOWS AROUND 70. NORTHWEST WINDS AROUND 5 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID WITH HIGHS IN THE
LOWER 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS AROUND 80. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS AROUND 60.
LABOR DAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF
PRECIPITATION 50 PERCENT.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 70S.
ILZ012-050200-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. HIGHS AROUND 90. SOUTH
WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT
INDEX VALUES UP TO 102.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. PATCHY FOG LATE. HUMID WITH LOWS IN THE LOWER
70S. WEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE MID 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE MID 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION
40 PERCENT.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS AROUND 80.
ILZ013-050200-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 101.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. PATCHY FOG LATE. HUMID WITH LOWS IN THE LOWER
70S. WEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE MID 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ020-050200-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. HIGHS IN THE LOWER 90S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 105.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG LATE.
HUMID WITH LOWS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH. CHANCE
OF PRECIPITATION 20 PERCENT.
SATURDAY
MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE UPPER 80S. NORTH WINDS AROUND 5 MPH, INCREASING
TO AROUND 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HIGHS AROUND 90.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ106-050200-
NORTHERN WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, PLAINFIELD,
AND MOKENA
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. HIGHS IN THE LOWER 90S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 105.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. PATCHY FOG LATE. HUMID WITH LOWS IN THE LOWER
70S. WEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE MID 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 90.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ107-050200-
SOUTHERN WILL-
INCLUDING THE CITIES OF CHANNAHON, MANHATTAN, AND WILMINGTON
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. HIGHS IN THE MID 90S. WEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 106.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE
EVENING AND OVERNIGHT. PATCHY FOG LATE. HUMID WITH LOWS IN THE
LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
SATURDAY
MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE UPPER 80S. NORTH WINDS 5 TO 10 MPH. HEAT INDEX
VALUES UP TO 100.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 90.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ108-050200-
EASTERN WILL-
INCLUDING THE CITIES OF CRETE, PEOTONE, AND BEECHER
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE LOWER 90S. NORTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP
TO 104.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. HUMID WITH LOWS IN THE LOWER 70S. WEST WINDS
AROUND 5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH HIGHS IN THE MID 80S. NORTHWEST WINDS 5 TO
10 MPH, BECOMING NORTH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
INZ001-050200-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. HOT. NEAR STEADY
TEMPERATURE IN THE LOWER 90S. WEST WINDS 10 TO 15 MPH. CHANCE OF
PRECIPITATION 20 PERCENT. HEAT INDEX VALUES UP TO 104.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. PATCHY FOG LATE. HUMID WITH LOWS IN THE LOWER
70S. WEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE MID 80S INLAND, BUT ONLY AROUND 80 NEAR THE
LAKE. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80. NORTHEAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
INZ002-050200-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. HOT. NEAR STEADY
TEMPERATURE AROUND 90. WEST WINDS 5 TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT. HEAT INDEX VALUES UP TO 104.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. PATCHY FOG LATE. HUMID WITH LOWS IN THE LOWER
70S. WEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE MID 80S INLAND, BUT ONLY IN THE UPPER 70S NEAR
THE LAKE. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80. NORTHEAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE MID 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS IN THE UPPER
80S. CHANCE OF PRECIPITATION 30 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS AROUND 80.
ILZ003-050200-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. HIGHS IN THE LOWER 90S.
SOUTH WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
HEAT INDEX VALUES UP TO 100.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. PATCHY FOG
LATE. HUMID WITH LOWS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE MID 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 50S.
LABOR DAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE LOWER 60S.
THURSDAY
PARTLY CLOUDY. HIGHS AROUND 80.
ILZ004-050200-
BOONE-
INCLUDING THE CITY OF BELVIDERE
120 PM CDT FRI SEP 4 2026
THIS AFTERNOON
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. HIGHS AROUND 90. SOUTH
WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT
INDEX VALUES UP TO 101.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL EARLY MORNING. PATCHY FOG LATE. HUMID WITH
LOWS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE MID 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 50S.
LABOR DAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF
PRECIPITATION 50 PERCENT.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 70S.
ILZ008-050200-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
PARTLY CLOUDY. HOT. HIGHS IN THE LOWER 90S.
SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 102.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. PATCHY FOG
LATE. HUMID WITH LOWS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. PATCHY FOG EARLY IN THE MORNING. HUMID WITH HIGHS IN THE
MID 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
LABOR DAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ011-050200-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 103.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG LATE.
HUMID WITH LOWS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH. CHANCE
OF PRECIPITATION 20 PERCENT.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. PATCHY FOG EARLY IN THE MORNING. HUMID WITH HIGHS IN THE
MID 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS AROUND 60.
LABOR DAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION
30 PERCENT.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ010-050200-
LEE-
INCLUDING THE CITY OF DIXON
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP
TO 104.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. PATCHY FOG
LATE. HUMID WITH LOWS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS IN THE UPPER 80S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION
40 PERCENT.
WEDNESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ019-050200-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE LOWER 90S. WEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
105.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG LATE. HUMID WITH LOWS IN
THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
SATURDAY
MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS AROUND 90. NORTHWEST WINDS 5 TO 10 MPH, BECOMING NORTH
IN THE AFTERNOON. HEAT INDEX VALUES UP TO 100.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 90.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
40 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
ILZ021-050200-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
PARTLY CLOUDY. HOT. NEAR STEADY TEMPERATURE IN
THE LOWER 90S. WEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
106.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG LATE. HUMID WITH LOWS IN
THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
SATURDAY
MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. HUMID
WITH HIGHS AROUND 90. NORTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES
UP TO 101.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 60S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE MID 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE MID 80S.
ILZ032-050200-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
PARTLY CLOUDY. HOT. NEAR STEADY TEMPERATURE IN
THE LOWER 90S. WEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
105.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLEAR. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
SUNNY, HUMID WITH HIGHS IN THE LOWER 90S. NORTHWEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 103.
SATURDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 60S.
NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
LABOR DAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE MID 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE MID 80S.
ILZ023-050200-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE LOWER 90S. WEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
105.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.
WEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 80S.
NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
LABOR DAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE MID 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE MID 80S.
ILZ039-050200-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. HIGHS IN THE MID 90S. WEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 105.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
SUNNY, HOT, HUMID WITH HIGHS IN THE LOWER 90S.
TEMPERATURE FALLING INTO THE MID 80S IN THE AFTERNOON. WEST WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON. HEAT INDEX VALUES
UP TO 103.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. HUMID WITH LOWS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
LABOR DAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 90.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE MID 80S.
ILZ033-050200-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. HIGHS IN THE MID 90S. WEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 104.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S.
TEMPERATURE FALLING INTO THE MID 80S IN THE AFTERNOON. NORTHWEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 101.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
LABOR DAY
SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY.
HIGHS IN THE MID 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE MID 80S.
INZ010-050200-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE LOWER 90S. WEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
103.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.
WEST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND
VARIABLE. CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 80S.
NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
LABOR DAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70.
WEDNESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
INZ011-050200-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
120 PM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. HIGHS IN THE LOWER 90S. WEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 104.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. HUMID WITH LOWS IN THE LOWER 70S. WEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE. CHANCE
OF PRECIPITATION 30 PERCENT.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 80S.
TEMPERATURE FALLING INTO THE LOWER 80S IN THE AFTERNOON.
NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
LABOR DAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70.
WEDNESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION
40 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.
INZ019-050200-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
220 PM EDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE LOWER 90S. WEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
103.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND
VARIABLE. CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS AROUND 90. NORTHWEST
WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
LABOR DAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 70.
WEDNESDAY
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 60S. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE MID 80S.
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