679  
FPUS53 KLOT 311821  
ZFPLOT  
 
ZONE FORECAST PRODUCT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE, IL  
120 PM CDT MON AUG 31 2026  
 
ILZ104-010200-  
CENTRAL COOK-  
INCLUDING THE CITIES OF CHICAGO, CICERO, OAK LAWN, OAK PARK,  
AND LA GRANGE  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS LATE.  
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO  
10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 100.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN  
THE AFTERNOON. HEAT INDEX VALUES UP TO 100.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN MOSTLY CLOUDY WITH A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE UPPER 80S. CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 70S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS IN THE MID 80S.  
CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ103-010200-  
NORTHERN COOK-  
INCLUDING THE CITIES OF EVANSTON, DES PLAINES, SCHAUMBURG,  
PALATINE, AND NORTHBROOK  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS  
EARLY IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS. HIGHS IN THE  
MID 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.  
CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH,  
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX VALUES UP  
TO 100.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 100.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
THURSDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HIGHS IN THE MID 80S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS IN THE MID 80S.  
CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ105-010200-  
SOUTHERN COOK-  
INCLUDING THE CITIES OF CALUMET CITY, OAK FOREST, LEMONT,  
ORLAND PARK, AND PARK FOREST  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS LATE.  
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE  
EVENING. HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO  
10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO  
10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 101.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN  
THE AFTERNOON. HEAT INDEX VALUES UP TO 101.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
A CHANCE OF SHOWERS IN THE MORNING. PARTLY CLOUDY.  
HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ006-010200-  
LAKE IL-  
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,  
AND GURNEE  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN A CHANCE OF SHOWERS  
LATE. NEAR STEADY TEMPERATURE IN THE MID 80S. SOUTHWEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION  
30 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE  
OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO  
10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 100.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH,  
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS  
AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION  
20 PERCENT.    
THURSDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HIGHS IN THE MID 80S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND  
70. CHANCE OF PRECIPITATION 50 PERCENT.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS IN THE MID 80S.  
CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS AROUND 80.  
 
 
 
ILZ005-010200-  
MCHENRY-  
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,  
AND WOODSTOCK  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY  
IN THE AFTERNOON, THEN A CHANCE OF SHOWERS LATE. NEAR STEADY  
TEMPERATURE IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE  
OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO  
10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 100.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS AROUND 90. SOUTHWEST  
WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.  
HEAT INDEX VALUES UP TO 100.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS  
AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION  
20 PERCENT.    
THURSDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING. HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND  
70. CHANCE OF PRECIPITATION 50 PERCENT.    
FRIDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN PARTLY CLOUDY IN THE  
AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION  
40 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ012-010200-  
KANE-  
INCLUDING THE CITIES OF AURORA AND ELGIN  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. NEAR  
STEADY TEMPERATURE IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE  
OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE  
MORNING. HUMID WITH HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO  
10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT. HEAT INDEX VALUES UP TO 101.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS AROUND 90. SOUTHWEST  
WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.  
HEAT INDEX VALUES UP TO 101.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
THURSDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HIGHS IN THE MID 80S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ013-010200-  
DUPAGE-  
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, AND CAROL STREAM  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS LATE.  
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH,  
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX VALUES UP  
TO 100.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 101.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN MOSTLY CLOUDY WITH A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE UPPER 80S. CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ020-010200-  
KENDALL-  
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS LATE.  
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE  
EVENING. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 104.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN  
THE AFTERNOON. HEAT INDEX VALUES UP TO 104.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 70S.    
THURSDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ106-010200-  
NORTHERN WILL-  
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, PLAINFIELD,  
AND MOKENA  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS LATE.  
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE  
EVENING. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO  
10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 103.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN  
THE AFTERNOON. HEAT INDEX VALUES UP TO 103.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ107-010200-  
SOUTHERN WILL-  
INCLUDING THE CITIES OF CHANNAHON, MANHATTAN, AND WILMINGTON  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE  
EVENING. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 105.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN  
THE AFTERNOON. HEAT INDEX VALUES UP TO 105.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HIGHS AROUND 90. CHANCE OF  
PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS AROUND 90. CHANCE OF PRECIPITATION 30 PERCENT.   
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.  
 
 
 
ILZ108-010200-  
EASTERN WILL-  
INCLUDING THE CITIES OF CRETE, PEOTONE, AND BEECHER  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE  
EVENING. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO  
10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 102.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN  
THE AFTERNOON. HEAT INDEX VALUES UP TO 102.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY  
A CHANCE OF SHOWERS IN THE MORNING. PARTLY CLOUDY.  
HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
INZ001-010200-  
LAKE IN-  
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. HUMID WITH LOWS IN THE LOWER  
70S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION  
20 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 102.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN  
THE AFTERNOON. HEAT INDEX VALUES UP TO 102.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
A CHANCE OF SHOWERS IN THE MORNING. PARTLY CLOUDY.  
HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
INZ002-010200-  
PORTER-  
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS LATE.  
HIGHS IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP  
TO 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. HUMID WITH LOWS IN THE LOWER  
70S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION  
20 PERCENT.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 103.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN  
THE AFTERNOON. HEAT INDEX VALUES UP TO 102.    
WEDNESDAY NIGHT  
CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN PARTLY CLOUDY IN THE  
AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ003-010200-  
WINNEBAGO-  
INCLUDING THE CITY OF ROCKFORD  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
MOSTLY CLOUDY. A CHANCE OF SHOWERS. NEAR STEADY  
TEMPERATURE IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE  
OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH,  
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX VALUES UP  
TO 101.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH,  
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY  
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION  
20 PERCENT.    
THURSDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING. HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE UPPER 80S.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ004-010200-  
BOONE-  
INCLUDING THE CITY OF BELVIDERE  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
MOSTLY CLOUDY. A CHANCE OF SHOWERS. NEAR STEADY  
TEMPERATURE IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH IN THE  
EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF PRECIPITATION  
20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO  
10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 101.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH,  
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY  
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION  
20 PERCENT.    
THURSDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING. HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE UPPER 80S.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ008-010200-  
OGLE-  
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY. A CHANCE OF SHOWERS. NEAR STEADY  
TEMPERATURE IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE  
OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH,  
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX VALUES UP  
TO 101.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 100.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
THURSDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLEAR  
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS  
IN THE UPPER 60S. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ011-010200-  
DE KALB-  
INCLUDING THE CITIES OF DEKALB AND SYCAMORE  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. NEAR  
STEADY TEMPERATURE IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE  
OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HUMID WITH HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO  
10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 101.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS AROUND 90. SOUTHWEST  
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 101.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
THURSDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING. HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ010-010200-  
LEE-  
INCLUDING THE CITY OF DIXON  
120 PM CDT MON AUG 31 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS LATE. NEAR STEADY TEMPERATURE IN  
THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO  
25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. HUMID  
WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE  
OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HUMID WITH HIGHS AROUND 90. SOUTHWEST  
WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.  
HEAT INDEX VALUES UP TO 101.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTH WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 101.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
THURSDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLEAR  
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS  
IN THE LOWER 70S. CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
ILZ019-010200-  
LA SALLE-  
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,  
AND MARSEILLES  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS LATE.  
NEAR STEADY TEMPERATURE IN THE UPPER 80S. SOUTHWEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION  
20 PERCENT.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE  
EVENING. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HOT, HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 103.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
SUNNY, HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 103.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLEAR  
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS  
AROUND 70. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.  
 
 
 
ILZ021-010200-  
GRUNDY-  
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE  
EVENING. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 105.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER  
90S. SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN  
THE AFTERNOON. HEAT INDEX VALUES UP TO 105.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HIGHS AROUND 90. CHANCE OF  
PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE LOWER 90S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.  
 
 
 
ILZ032-010200-  
LIVINGSTON-  
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE  
UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HOT, HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 104.    
TUESDAY NIGHT  
CLEAR, HUMID WITH LOWS IN THE MID 70S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
SUNNY, HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 104.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY  
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE LOWER 90S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 70.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.  
 
 
 
ILZ023-010200-  
KANKAKEE-  
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HOT, HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 104.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
SUNNY, HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 103.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HIGHS AROUND 90. CHANCE OF  
PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY  
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. HIGHS AROUND 90.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.  
 
 
 
ILZ039-010200-  
FORD-  
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
UPPER 80S. SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY. HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 103.    
TUESDAY NIGHT  
CLEAR, HUMID WITH LOWS IN THE MID 70S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
SUNNY, HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 103.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY  
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS IN THE  
LOWER 90S. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 70.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.  
 
 
 
ILZ033-010200-  
IROQUOIS-  
INCLUDING THE CITIES OF WATSEKA AND GILMAN  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE  
UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO  
10 MPH.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HOT, HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
10 TO 15 MPH. HEAT INDEX VALUES UP TO 103.    
TUESDAY NIGHT  
CLEAR, HUMID WITH LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
SUNNY, HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 103.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY  
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE LOWER 90S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 70.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.  
 
 
 
INZ010-010200-  
NEWTON-  
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE  
MID 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HOT, HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
10 TO 15 MPH. HEAT INDEX VALUES UP TO 101.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
SUNNY, HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 102.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
THURSDAY  
MOSTLY SUNNY. HIGHS AROUND 90.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY  
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
INZ011-010200-  
JASPER-  
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE  
120 PM CDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY  
 
   
THIS AFTERNOON  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HOT, HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 102.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
SUNNY, HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 101.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
THURSDAY  
MOSTLY SUNNY. HIGHS AROUND 90.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY  
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS  
IN THE LOWER 70S. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY  
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS  
IN THE UPPER 60S. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
 
INZ019-010200-  
BENTON-  
INCLUDING THE CITIES OF FOWLER AND OXFORD  
220 PM EDT MON AUG 31 2026  
   
..HEAT ADVISORY IN EFFECT FROM 1 PM TO 10 PM EDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT FROM 1 PM TO 10 PM EDT WEDNESDAY  
 
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
MID 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HUMID WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 10 TO  
15 MPH. HEAT INDEX VALUES UP TO 103.    
TUESDAY NIGHT  
CLEAR, HUMID WITH LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
SUNNY, HOT, HUMID WITH HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 103.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
THURSDAY  
MOSTLY SUNNY. HIGHS AROUND 90.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY  
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
LOWS IN THE LOWER 70S. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE UPPER 80S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY  
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS  
AROUND 70. CHANCE OF PRECIPITATION 30 PERCENT.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
The Nexlab IN Page
Main Text Page