640  
FPUS53 KLOT 031857  
ZFPLOT  
 
ZONE FORECAST PRODUCT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE, IL  
156 PM CDT THU SEP 3 2026  
 
ILZ104-040200-  
CENTRAL COOK-  
INCLUDING THE CITIES OF CHICAGO, CICERO, OAK LAWN, OAK PARK,  
AND LA GRANGE  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE MID 80S. EAST WINDS  
10 TO 15 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE MID 70S.  
SOUTH WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS EARLY IN THE  
MORNING. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. A  
SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING. HUMID WITH HIGHS IN  
THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 40 PERCENT. HEAT INDEX VALUES UP TO 100.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS. HUMID WITH LOWS IN  
THE LOWER 70S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTH AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING. HUMID WITH HIGHS IN THE MID 80S INLAND, BUT ONLY IN THE  
UPPER 70S NEAR THE LAKE. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S INLAND, BUT ONLY  
IN THE UPPER 70S NEAR THE LAKE.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
LABOR DAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 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
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ103-040200-  
NORTHERN COOK-  
INCLUDING THE CITIES OF EVANSTON, DES PLAINES, SCHAUMBURG,  
PALATINE, AND NORTHBROOK  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE. HIGHS IN THE UPPER 80S. SOUTHEAST  
WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. HUMID WITH  
LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH, BECOMING  
SOUTHWEST AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. A CHANCE  
OF SHOWERS EARLY IN THE MORNING. A SLIGHT CHANCE OF THUNDERSTORMS  
IN THE MORNING. A SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING.  
HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE  
OF PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS. HUMID WITH LOWS IN  
THE LOWER 70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTH AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING. HUMID WITH HIGHS IN THE LOWER 80S INLAND, BUT ONLY IN  
THE UPPER 70S NEAR THE LAKE. NORTHEAST WINDS 5 TO 10 MPH. CHANCE  
OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S INLAND, BUT ONLY  
IN THE UPPER 70S NEAR THE LAKE.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
LABOR DAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 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
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ105-040200-  
SOUTHERN COOK-  
INCLUDING THE CITIES OF CALUMET CITY, OAK FOREST, LEMONT,  
ORLAND PARK, AND PARK FOREST  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE UPPER 80S. EAST  
WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE. HUMID WITH LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. HOT, HUMID  
WITH HIGHS IN THE LOWER 90S. WEST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT. HEAT INDEX VALUES UP TO 101.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS IN THE MID 80S.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
LABOR DAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 60S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS AROUND 90.  
 

 
 
ILZ006-040200-  
LAKE IL-  
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,  
AND GURNEE  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE. NEAR STEADY TEMPERATURE IN THE  
LOWER 80S. SOUTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION  
30 PERCENT.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
HUMID WITH LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.  
CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS EARLY IN THE MORNING. A SLIGHT CHANCE  
OF THUNDERSTORMS IN THE MORNING. A SLIGHT CHANCE OF SHOWERS LATE  
IN THE MORNING. HUMID WITH HIGHS IN THE UPPER 80S. SOUTH WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HUMID WITH LOWS IN THE UPPER 60S. NORTHEAST WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS AROUND 80.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 70S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
LABOR DAY
 
PARTLY CLOUDY. HIGHS AROUND 80.    
MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 60S.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS IN THE MID 80S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY CLOUDY  
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE  
OF PRECIPITATION 40 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS IN THE MID 80S.  
 

 
 
ILZ005-040200-  
MCHENRY-  
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,  
AND WOODSTOCK  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE. HIGHS IN THE UPPER 80S. SOUTHEAST  
WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. HUMID WITH  
LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS EARLY IN THE MORNING. A SLIGHT CHANCE  
OF THUNDERSTORMS IN THE MORNING. A SLIGHT CHANCE OF SHOWERS LATE  
IN THE MORNING. HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS IN THE  
EVENING. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT. HUMID WITH LOWS IN THE UPPER 60S. EAST WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING. HUMID WITH  
HIGHS IN THE LOWER 80S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
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
 
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND  
70. CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS IN THE MID 80S.  
 

 
 
ILZ012-040200-  
KANE-  
INCLUDING THE CITIES OF AURORA AND ELGIN  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS 5 TO  
10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTH WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. HUMID WITH  
HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT. HEAT INDEX VALUES UP TO 101.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A CHANCE OF THUNDERSTORMS IN THE  
EVENING. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT. HUMID WITH LOWS AROUND 70. SOUTH WINDS AROUND  
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT. CHANCE OF PRECIPITATION  
50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS IN THE MID 80S.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
LABOR DAY
 
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. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS AROUND 70. CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ013-040200-  
DUPAGE-  
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, AND CAROL STREAM  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTH WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS EARLY IN THE  
MORNING. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. A  
SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING. HUMID WITH HIGHS IN  
THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 40 PERCENT. HEAT INDEX VALUES UP TO 100.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF  
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. HUMID  
WITH LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH, BECOMING  
NORTHEAST AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS IN THE MID 80S.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
LABOR DAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION  
30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ020-040200-  
KENDALL-  
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE. HOT. HIGHS IN THE LOWER 90S. SOUTHEAST  
WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT. HEAT INDEX  
VALUES UP TO 102.    
TONIGHT
 
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 102.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS  
AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS IN THE UPPER 80S.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS IN THE LOWER 60S.    
LABOR DAY
 
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. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION  
30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS AROUND 90.  
 

 
 
ILZ106-040200-  
NORTHERN WILL-  
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, PLAINFIELD,  
AND MOKENA  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE AROUND 90. SOUTHEAST WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT. HEAT INDEX  
VALUES UP TO 101.    
TONIGHT
 
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. HOT,  
HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH.  
CHANCE OF PRECIPITATION 20 PERCENT. HEAT INDEX VALUES UP TO 102.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S. SOUTH WINDS AROUND  
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT. CHANCE OF PRECIPITATION  
50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS IN THE UPPER 80S.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
LABOR DAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
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
 
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ107-040200-  
SOUTHERN WILL-  
INCLUDING THE CITIES OF CHANNAHON, MANHATTAN, AND WILMINGTON  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.  
HEAT INDEX VALUES UP TO 103.    
TONIGHT
 
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE MID 90S.  
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 103.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTH WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.  
CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HUMID WITH HIGHS IN THE UPPER 80S. NORTHEAST WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT INDEX  
VALUES UP TO 100.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE MID 80S.    
SUNDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. 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 UPPER 80S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.  
 

 
 
ILZ108-040200-  
EASTERN WILL-  
INCLUDING THE CITIES OF CRETE, PEOTONE, AND BEECHER  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE AROUND 90. SOUTHEAST WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT. HEAT INDEX  
VALUES UP TO 101.    
TONIGHT
 
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE  
MORNING. HOT, HUMID WITH HIGHS IN THE LOWER 90S. WEST WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT INDEX  
VALUES UP TO 102.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. HUMID WITH LOWS AROUND 70. SOUTHWEST WINDS AROUND  
5 MPH, BECOMING NORTH AFTER MIDNIGHT. CHANCE OF PRECIPITATION  
50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS IN THE UPPER 80S.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. 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 AROUND 70.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS AROUND 90.  
 

 
 
INZ001-040200-  
LAKE IN-  
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE UPPER 80S. NORTH  
WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 30 PERCENT. HEAT  
INDEX VALUES UP TO 102.    
TONIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE. HUMID WITH LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING. HOT, HUMID WITH HIGHS IN THE LOWER 90S. WEST WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT INDEX  
VALUES UP TO 102.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. HUMID WITH LOWS AROUND 70. NORTH WINDS AROUND 5 MPH.  
CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS IN THE  
MID 80S INLAND, BUT ONLY IN THE UPPER 70S NEAR THE LAKE.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. 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 AROUND 70.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS AROUND 90.  
 

 
 
INZ002-040200-  
PORTER-  
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE UPPER 80S.  
NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 30 PERCENT.  
HEAT INDEX VALUES UP TO 102.    
TONIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTH WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A CHANCE  
OF SHOWERS EARLY IN THE MORNING. A SLIGHT CHANCE OF THUNDERSTORMS  
IN THE MORNING. A SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING.  
HUMID WITH HIGHS IN THE LOWER 90S. WEST WINDS AROUND 5 MPH.  
CHANCE OF PRECIPITATION 30 PERCENT. HEAT INDEX VALUES UP TO 102.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. HUMID WITH LOWS AROUND 70. NORTH WINDS AROUND 5 MPH.  
CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS IN THE  
MID 80S INLAND, BUT ONLY IN THE UPPER 70S NEAR THE LAKE.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.    
SUNDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. 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 IN THE MID 80S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 70.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ003-040200-  
WINNEBAGO-  
INCLUDING THE CITY OF ROCKFORD  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE UPPER 80S. SOUTH  
WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. HUMID WITH  
LOWS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 5 MPH. CHANCE OF  
PRECIPITATION 30 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS EARLY IN THE  
MORNING. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. A  
SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING. HUMID WITH HIGHS IN  
THE LOWER 90S. SOUTH WINDS 5 TO 10 MPH, BECOMING SOUTHWEST IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 40 PERCENT. HEAT INDEX VALUES  
UP TO 100.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. A CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE  
OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.  
HUMID WITH LOWS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH,  
BECOMING NORTHEAST AFTER MIDNIGHT. CHANCE OF PRECIPITATION  
50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HUMID WITH HIGHS IN THE MID 80S.  
NORTHEAST WINDS 5 TO 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.    
LABOR DAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS AROUND 70. CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ004-040200-  
BOONE-  
INCLUDING THE CITY OF BELVIDERE  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO 10 MPH.  
CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. HUMID WITH  
LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS EARLY IN THE  
MORNING. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. A  
SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING. HUMID WITH HIGHS IN  
THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS IN THE  
EVENING. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT. HUMID WITH LOWS IN THE UPPER 60S. EAST WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HUMID WITH HIGHS IN THE MID 80S.  
NORTHEAST WINDS 5 TO 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.    
LABOR DAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 60S.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 80S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF PRECIPITATION  
40 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ008-040200-  
OGLE-  
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE UPPER 80S. SOUTH  
WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
CLEAR IN THE EVENING, THEN BECOMING PARTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE. HUMID WITH LOWS  
IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. HOT,  
HUMID WITH HIGHS IN THE LOWER 90S. SOUTH WINDS 5 TO 10 MPH,  
BECOMING SOUTHWEST IN THE AFTERNOON. CHANCE OF PRECIPITATION  
20 PERCENT. HEAT INDEX VALUES UP TO 101.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS  
AFTER MIDNIGHT. HUMID WITH LOWS IN THE UPPER 60S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HUMID WITH HIGHS IN THE UPPER 80S.  
NORTHEAST WINDS 5 TO 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 60.    
LABOR DAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS AROUND 70. CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ011-040200-  
DE KALB-  
INCLUDING THE CITIES OF DEKALB AND SYCAMORE  
156 PM CDT THU SEP 3 2026  
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE UPPER 80S.  
SOUTHEAST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE. HUMID WITH LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. HUMID  
WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE  
OF PRECIPITATION 20 PERCENT. HEAT INDEX VALUES UP TO 101.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS  
AFTER MIDNIGHT. HUMID WITH LOWS IN THE UPPER 60S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HUMID WITH HIGHS IN THE MID 80S.  
NORTHEAST WINDS 5 TO 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
LABOR DAY
 
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. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS AROUND 70. CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ010-040200-  
LEE-  
INCLUDING THE CITY OF DIXON  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE AROUND 90. SOUTH WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT INDEX  
VALUES UP TO 101.    
TONIGHT
 
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HOT, HUMID  
WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH. HEAT  
INDEX VALUES UP TO 103.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS AROUND  
70. SOUTHWEST WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
CHANCE OF PRECIPITATION 40 PERCENT.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HUMID WITH HIGHS IN THE UPPER 80S. NORTHEAST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
LABOR DAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
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. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION  
30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
 

 
 
ILZ019-040200-  
LA SALLE-  
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,  
AND MARSEILLES  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE LOWER 90S.  
SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.  
HEAT INDEX VALUES UP TO 104.    
TONIGHT
 
CLEAR, HUMID WITH LOWS IN THE MID 70S. SOUTH WINDS  
AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE MID 90S.  
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 103.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE  
LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE  
MORNING. HUMID WITH HIGHS AROUND 90. NORTHEAST WINDS 5 TO 10 MPH.  
CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
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 MID 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.  
 

 
 
ILZ021-040200-  
GRUNDY-  
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE. HOT. NEAR STEADY TEMPERATURE IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION  
30 PERCENT. HEAT INDEX VALUES UP TO 104.    
TONIGHT
 
CLEAR, HUMID WITH LOWS IN THE MID 70S. SOUTH WINDS  
AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE MID 90S.  
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTH WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HUMID WITH HIGHS AROUND 90. NORTHEAST WINDS 5 TO  
10 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT INDEX VALUES UP  
TO 101.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE MID 80S.    
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 AROUND 90.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.  
 

 
 
ILZ032-040200-  
LIVINGSTON-  
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE. HOT. NEAR STEADY TEMPERATURE IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION  
20 PERCENT. HEAT INDEX VALUES UP TO 102.    
TONIGHT
 
CLEAR, HUMID WITH LOWS IN THE MID 70S. SOUTH WINDS  
AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE MID 90S.  
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION 40 PERCENT.   
SATURDAY
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HUMID WITH HIGHS IN THE LOWER  
90S. NORTH WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION  
20 PERCENT. HEAT INDEX VALUES UP TO 103.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE MID 80S.    
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 MID 60S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS IN THE LOWER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. HOT WITH HIGHS IN THE MID 90S.  
 

 
 
ILZ023-040200-  
KANKAKEE-  
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE. HOT. HIGHS IN THE LOWER 90S. SOUTHWEST  
WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT. HEAT INDEX  
VALUES UP TO 103.    
TONIGHT
 
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE MID 90S.  
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 104.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS AROUND 70.  
SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.  
CHANCE OF PRECIPITATION 40 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HUMID WITH HIGHS IN THE UPPER 80S. NORTHEAST WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE MID 80S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 60.    
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.  
 

 
 
ILZ039-040200-  
FORD-  
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE. HOT. NEAR STEADY TEMPERATURE IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION  
20 PERCENT. HEAT INDEX VALUES UP TO 102.    
TONIGHT
 
CLEAR, HUMID WITH LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH.    
FRIDAY
 
SUNNY, HOT, HUMID WITH HIGHS IN THE MID 90S. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HUMID WITH HIGHS IN THE LOWER  
90S. NORTH WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION  
20 PERCENT. HEAT INDEX VALUES UP TO 101.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 80S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 60.    
LABOR DAY
 
MOSTLY SUNNY. HIGHS IN THE MID 80S.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS AROUND 90.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.  
 

 
 
ILZ033-040200-  
IROQUOIS-  
INCLUDING THE CITIES OF WATSEKA AND GILMAN  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.  
HEAT INDEX VALUES UP TO 102.    
TONIGHT
 
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE MID 90S.  
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 104.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
HUMID WITH LOWS IN THE LOWER 70S. LIGHT AND VARIABLE WINDS.  
CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. HUMID WITH  
HIGHS AROUND 90. NORTHEAST WINDS AROUND 5 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 80S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 60.    
LABOR DAY
 
MOSTLY SUNNY. 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.  
 

 
 
INZ010-040200-  
NEWTON-  
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE. HOT. NEAR STEADY TEMPERATURE IN THE LOWER  
90S. WEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.  
HEAT INDEX VALUES UP TO 103.    
TONIGHT
 
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE MORNING. HOT, HUMID WITH HIGHS IN THE  
MID 90S. WEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION  
20 PERCENT. HEAT INDEX VALUES UP TO 102.    
FRIDAY NIGHT
 
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. HUMID WITH LOWS AROUND 70. LIGHT  
AND VARIABLE WINDS. CHANCE OF PRECIPITATION 40 PERCENT.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. A CHANCE OF SHOWERS IN THE MORNING. A SLIGHT CHANCE OF  
THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HUMID  
WITH HIGHS IN THE UPPER 80S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE  
OF PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.    
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
 
PARTLY CLOUDY. LOWS AROUND 70.    
WEDNESDAY
 
PARTLY CLOUDY. HOT WITH HIGHS IN THE LOWER 90S.  
 

 
 
INZ011-040200-  
JASPER-  
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE  
156 PM CDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE. HOT. NEAR STEADY TEMPERATURE IN THE LOWER  
90S. WEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.  
HEAT INDEX VALUES UP TO 102.    
TONIGHT
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE. HUMID WITH LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE  
MORNING. HOT, HUMID WITH HIGHS IN THE LOWER 90S. WEST WINDS  
AROUND 5 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT INDEX  
VALUES UP TO 101.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
HUMID WITH LOWS AROUND 70. WEST WINDS AROUND 5 MPH, BECOMING  
NORTH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING. A  
SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HUMID WITH HIGHS IN THE UPPER 80S. NORTHEAST WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.    
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
 
PARTLY CLOUDY. LOWS AROUND 70.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
 

 
 
INZ019-040200-  
BENTON-  
INCLUDING THE CITIES OF FOWLER AND OXFORD  
256 PM EDT THU SEP 3 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT FRIDAY
 
 
   
THIS AFTERNOON
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE. HOT. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
5 TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT. HEAT INDEX  
VALUES UP TO 101.    
TONIGHT
 
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 103.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
HUMID WITH LOWS IN THE LOWER 70S. LIGHT AND VARIABLE WINDS.  
CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER  
80S. NORTHEAST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION  
20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.    
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 IN THE UPPER 80S.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS IN THE LOWER 70S.    
WEDNESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE LOWER 90S.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page