356  
FNUS53 KLOT 150932  
FWFLOT  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
432 AM CDT TUE SEP 15 2026  
   
DISCUSSION
 
 
A SURFACE FRONTAL BOUNDARY WILL MOVE ACROSS THE AREA TODAY,  
THEN STALL TO OUR SOUTH THROUGH THURSDAY. THIS FRONTAL BOUNDARY  
WILL BE THE FOCUS FOR MULTIPLE WAVES OF SHOWERS AND THUNDERSTORMS  
OVER THE NEXT FEW DAYS.  
 
ILZ014-152130-  
COOK-  
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,  
LEMONT, ORLAND PARK, AND PARK FOREST  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 70 50 40 60  
MAX TEMP (24HR TREND) 83 (+12) 74  
MIN RH % (24HR TREND) 67 (+28) 77  
MIN TEMP (24HR TREND) 62 (-5) 63  
MAX RH % (24HR TREND) 97 (+31) 100  
20FT WIND AM (MPH) SW 9-11 NE 6  
20FT WIND PM (MPH) W 9-11 N 5 NE 6 LGT/VAR  
PEAK WIND GUSTS (MPH) 21  
PRECIP AMOUNT (IN) 0.10-0.25 0.10-0.25 0.05-0.10 0.10-0.25  
11 AM MIXING HGT (FT) 1800 1900  
MAX MIXING HGT (FT) 3200 2100  
TRANSPORT WND (MPH) SW 12 NE 10  
VENT RATE (MPH-FT) 41600 21000  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY CLOUDY.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING  
NORTH IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS  
IN THE MID 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. EAST WINDS AROUND 10 MPH, BECOMING  
SOUTHEAST AFTER MIDNIGHT.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH  
WINDS AROUND 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE MID 60S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND  
10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
ILZ006-152130-  
LAKE IL-  
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,  
AND GURNEE  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS  
CHANCE PRECIP (%) 90 20 30 50  
MAX TEMP (24HR TREND) 78 (+9) 71  
MIN RH % (24HR TREND) 79 (+29) 81  
MIN TEMP (24HR TREND) 57 (-8) 61  
MAX RH % (24HR TREND) 100 (+28) 100  
20FT WIND AM (MPH) SW 9-12 NE 7  
20FT WIND PM (MPH) W 9-12 LGT/VAR NE 7 LGT/VAR  
PEAK WIND GUSTS (MPH) 24  
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.01-0.05 0.25-0.50  
11 AM MIXING HGT (FT) 1400 2100  
MAX MIXING HGT (FT) 2300 2200  
TRANSPORT WND (MPH) W 12 NE 12  
VENT RATE (MPH-FT) 29900 28600  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE MID 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS AROUND 60. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE MID 50S. NORTHEAST WINDS AROUND 5 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 

 
 
INZ001-152130-  
LAKE IN-  
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 70 50 60  
MAX TEMP (24HR TREND) 86 (+14) 77  
MIN RH % (24HR TREND) 62 (+27) 75  
MIN TEMP (24HR TREND) 64 (0) 65  
MAX RH % (24HR TREND) 100 (+32) 100  
20FT WIND AM (MPH) SW 8-10 LGT/VAR  
20FT WIND PM (MPH) SW 8-10 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 20  
PRECIP AMOUNT (IN) 0.05-0.10 0.25-0.50 0.01-0.05 0.25-0.50  
11 AM MIXING HGT (FT) 2000 1400  
MAX MIXING HGT (FT) 3800 1700  
TRANSPORT WND (MPH) SW 11 NE 8  
VENT RATE (MPH-FT) 45600 13600  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
SHOWERS LIKELY IN THE MORNING. MOSTLY CLOUDY. HIGHS  
IN THE UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING  
NORTHWEST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. NORTH WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY CLOUDY  
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 60S.  
EAST WINDS 5 TO 10 MPH.    
SATURDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
INZ002-152130-  
PORTER-  
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 70 50 60  
MAX TEMP (24HR TREND) 86 (+13) 78  
MIN RH % (24HR TREND) 60 (+26) 75  
MIN TEMP (24HR TREND) 64 (+1) 65  
MAX RH % (24HR TREND) 100 (+30) 100  
20FT WIND AM (MPH) SW 8-10 LGT/VAR  
20FT WIND PM (MPH) SW 8-10 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 20  
PRECIP AMOUNT (IN) 0.05-0.10 0.25-0.50 0.05-0.10 0.10-0.25  
11 AM MIXING HGT (FT) 2000 1200  
MAX MIXING HGT (FT) 3900 1700  
TRANSPORT WND (MPH) SW 12 NE 5  
VENT RATE (MPH-FT) 50700 10200  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE MORNING.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING  
NORTHWEST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY CLOUDY  
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 60S.  
EAST WINDS 5 TO 10 MPH.    
SATURDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. NORTHWEST WINDS AROUND 10 MPH, BECOMING NORTH IN THE  
AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
ILZ013-152130-  
DUPAGE-  
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, AND CAROL STREAM  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 80 40 40 60  
MAX TEMP (24HR TREND) 81 (+10) 73  
MIN RH % (24HR TREND) 72 (+29) 78  
MIN TEMP (24HR TREND) 61 (-5) 64  
MAX RH % (24HR TREND) 97 (+28) 100  
20FT WIND AM (MPH) SW 8-11 NE 6  
20FT WIND PM (MPH) W 8-11 N 5 NE 6 LGT/VAR  
PEAK WIND GUSTS (MPH) 21  
PRECIP AMOUNT (IN) 0.10-0.25 0.10-0.25 0.05-0.10 0.10-0.25  
11 AM MIXING HGT (FT) 1700 2000  
MAX MIXING HGT (FT) 2800 2100  
TRANSPORT WND (MPH) SW 11 NE 10  
VENT RATE (MPH-FT) 33600 21000  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY CLOUDY.  
HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS  
IN THE UPPER 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. SOUTHEAST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH  
WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND  
10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
ILZ012-152130-  
KANE-  
INCLUDING THE CITIES OF AURORA AND ELGIN  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 80 40 30 60  
MAX TEMP (24HR TREND) 81 (+11) 73  
MIN RH % (24HR TREND) 76 (+30) 79  
MIN TEMP (24HR TREND) 60 (-4) 62  
MAX RH % (24HR TREND) 96 (+20) 100  
20FT WIND AM (MPH) SW 9-11 NE 6  
20FT WIND PM (MPH) W 9-11 N 5 E 6 LGT/VAR  
PEAK WIND GUSTS (MPH) 20  
PRECIP AMOUNT (IN) 0.25-0.50 0.05-0.10 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 1500 1900  
MAX MIXING HGT (FT) 2500 2000  
TRANSPORT WND (MPH) W 11 E 11  
VENT RATE (MPH-FT) 30000 24000  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS  
IN THE UPPER 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 10 MPH,  
BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST WINDS AROUND  
10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND  
10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ005-152130-  
MCHENRY-  
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,  
AND WOODSTOCK  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS  
CHANCE PRECIP (%) 90 20 30 50  
MAX TEMP (24HR TREND) 77 (+8) 72  
MIN RH % (24HR TREND) 82 (+30) 82  
MIN TEMP (24HR TREND) 57 (-7) 60  
MAX RH % (24HR TREND) 96 (+14) 100  
20FT WIND AM (MPH) SW 8-11 NE 6  
20FT WIND PM (MPH) W 8-11 LGT/VAR E 6 LGT/VAR  
PEAK WIND GUSTS (MPH) 25  
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 1500 1900  
MAX MIXING HGT (FT) 2200 2100  
TRANSPORT WND (MPH) W 13 E 12  
VENT RATE (MPH-FT) 30800 27300  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS AROUND 60. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER  
60S. EAST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS AROUND 60. WEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. NORTHEAST WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS AROUND 5 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.  
 

 
 
ILZ004-152130-  
BOONE-  
INCLUDING THE CITY OF BELVIDERE  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS  
CHANCE PRECIP (%) 90 20 30 50  
MAX TEMP (24HR TREND) 77 (+8) 72  
MIN RH % (24HR TREND) 77 (+26) 78  
MIN TEMP (24HR TREND) 57 (-4) 60  
MAX RH % (24HR TREND) 94 (-2) 100  
20FT WIND AM (MPH) SW 8-11 NE 6-7  
20FT WIND PM (MPH) W 8-11 LGT/VAR E 6-7 LGT/VAR  
PEAK WIND GUSTS (MPH) 21  
PRECIP AMOUNT (IN) 0.50-0.75 0.01-0.05 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 1400 1800  
MAX MIXING HGT (FT) 2200 2200  
TRANSPORT WND (MPH) W 12 E 12  
VENT RATE (MPH-FT) 28600 28600  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER  
60S. SOUTHEAST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 15 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE UPPER 50S. WEST WINDS AROUND 10 MPH,  
BECOMING NORTH AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. NORTHEAST WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND  
10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ011-152130-  
DE KALB-  
INCLUDING THE CITIES OF DEKALB AND SYCAMORE  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 80 40 30 60  
MAX TEMP (24HR TREND) 81 (+11) 73  
MIN RH % (24HR TREND) 73 (+27) 76  
MIN TEMP (24HR TREND) 58 (-6) 62  
MAX RH % (24HR TREND) 93 (+12) 100  
20FT WIND AM (MPH) SW 8-11 NE 6  
20FT WIND PM (MPH) W 8-11 N 5 E 6 LGT/VAR  
PEAK WIND GUSTS (MPH) 19  
PRECIP AMOUNT (IN) 0.25-0.50 0.05-0.10 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 1500 1600  
MAX MIXING HGT (FT) 2500 2100  
TRANSPORT WND (MPH) W 11 E 11  
VENT RATE (MPH-FT) 30000 25200  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS  
IN THE UPPER 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHEAST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 15 MPH,  
BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH,  
BECOMING NORTHWEST AFTER MIDNIGHT.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. NORTH WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST WINDS AROUND  
10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
10 TO 15 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
ILZ003-152130-  
WINNEBAGO-  
INCLUDING THE CITY OF ROCKFORD  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS  
CHANCE PRECIP (%) 90 20 30 50  
MAX TEMP (24HR TREND) 77 (+8) 72  
MIN RH % (24HR TREND) 74 (+23) 78  
MIN TEMP (24HR TREND) 56 (-7) 60  
MAX RH % (24HR TREND) 95 (0) 100  
20FT WIND AM (MPH) SW 8-12 NE 6  
20FT WIND PM (MPH) W 8-12 LGT/VAR E 6 LGT/VAR  
PEAK WIND GUSTS (MPH) 23  
PRECIP AMOUNT (IN) 0.50-0.75 0.01-0.05 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 1500 1800  
MAX MIXING HGT (FT) 2400 2500  
TRANSPORT WND (MPH) W 12 E 12  
VENT RATE (MPH-FT) 31200 32500  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER  
60S. SOUTHEAST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH  
WINDS AROUND 15 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE UPPER 50S. WEST WINDS AROUND 10 MPH,  
BECOMING NORTH AFTER MIDNIGHT.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. NORTHEAST WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND  
10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND  
10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ008-152130-  
OGLE-  
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS  
CHANCE PRECIP (%) 90 30 40 60  
MAX TEMP (24HR TREND) 78 (+9) 72  
MIN RH % (24HR TREND) 74 (+22) 77  
MIN TEMP (24HR TREND) 57 (-8) 61  
MAX RH % (24HR TREND) 97 (+12) 100  
20FT WIND AM (MPH) SW 7-10 NE 6  
20FT WIND PM (MPH) W 7-10 LGT/VAR E 6 LGT/VAR  
PEAK WIND GUSTS (MPH) 19  
PRECIP AMOUNT (IN) 0.25-0.50 0.05-0.10 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 1400 1600  
MAX MIXING HGT (FT) 2300 2400  
TRANSPORT WND (MPH) W 11 E 12  
VENT RATE (MPH-FT) 27600 31200  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS AROUND 60. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHEAST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 15 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS AROUND 60. NORTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS 5 TO  
10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ010-152130-  
LEE-  
INCLUDING THE CITY OF DIXON  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 80 40 40 60  
MAX TEMP (24HR TREND) 80 (+10) 73  
MIN RH % (24HR TREND) 73 (+23) 78  
MIN TEMP (24HR TREND) 58 (-9) 63  
MAX RH % (24HR TREND) 97 (+15) 100  
20FT WIND AM (MPH) SW 7-9 NE 5  
20FT WIND PM (MPH) W 7-9 LGT/VAR E 5 LGT/VAR  
PEAK WIND GUSTS (MPH) 18  
PRECIP AMOUNT (IN) 0.25-0.50 0.10-0.25 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 1600 1300  
MAX MIXING HGT (FT) 2500 1800  
TRANSPORT WND (MPH) W 10 E 11  
VENT RATE (MPH-FT) 25000 21600  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.  
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS  
IN THE UPPER 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID 60S.  
SOUTHEAST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH  
WINDS 10 TO 15 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH,  
BECOMING NORTHWEST AFTER MIDNIGHT.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ019-152130-  
LA SALLE-  
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,  
AND MARSEILLES  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY PCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 70 50 60  
MAX TEMP (24HR TREND) 84 (+11) 77  
MIN RH % (24HR TREND) 67 (+26) 74  
MIN TEMP (24HR TREND) 62 (-5) 65  
MAX RH % (24HR TREND) 95 (+21) 100  
20FT WIND AM (MPH) SW 7-9 NE 5  
20FT WIND PM (MPH) W 7-9 N 5 E 5 LGT/VAR  
PEAK WIND GUSTS (MPH) 21  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.10-0.25 0.25-0.50  
11 AM MIXING HGT (FT) 2000 1400  
MAX MIXING HGT (FT) 3200 1800  
TRANSPORT WND (MPH) W 10 E 9  
VENT RATE (MPH-FT) 32000 16200  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY IN THE MORNING. HIGHS  
IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING WEST IN  
THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS  
IN THE LOWER 80S. EAST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 60S. EAST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS  
AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH,  
BECOMING NORTHWEST AFTER MIDNIGHT.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO  
10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
ILZ020-152130-  
KENDALL-  
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 70 60 40 60  
MAX TEMP (24HR TREND) 82 (+10) 75  
MIN RH % (24HR TREND) 72 (+31) 76  
MIN TEMP (24HR TREND) 62 (-3) 65  
MAX RH % (24HR TREND) 96 (+21) 100  
20FT WIND AM (MPH) S 8-10 NE 6  
20FT WIND PM (MPH) W 8-10 N 5 NE 6 LGT/VAR  
PEAK WIND GUSTS (MPH) 19  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 1900 1700  
MAX MIXING HGT (FT) 2900 1800  
TRANSPORT WND (MPH) SW 13 NE 9  
VENT RATE (MPH-FT) 40600 16200  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY CLOUDY.  
HIGHS IN THE LOWER 80S. NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS  
IN THE UPPER 70S. EAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 60S.  
EAST WINDS AROUND 10 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH  
WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE MID 60S. SOUTHWEST WINDS AROUND 10 MPH,  
BECOMING NORTHWEST AFTER MIDNIGHT.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND  
10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
10 TO 15 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
ILZ021-152130-  
GRUNDY-  
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY PCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 70 50 60  
MAX TEMP (24HR TREND) 86 (+12) 78  
MIN RH % (24HR TREND) 66 (+28) 77  
MIN TEMP (24HR TREND) 64 (-2) 67  
MAX RH % (24HR TREND) 98 (+28) 100  
20FT WIND AM (MPH) SW 7-9 LGT/VAR  
20FT WIND PM (MPH) W 7-9 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 19  
PRECIP AMOUNT (IN) 0.05-0.10 0.50-0.75 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 2000 1500  
MAX MIXING HGT (FT) 3700 1900  
TRANSPORT WND (MPH) W 11 NE 8  
VENT RATE (MPH-FT) 44400 15200  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
SHOWERS LIKELY IN THE MORNING. MOSTLY CLOUDY. HIGHS  
IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING  
NORTHWEST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS  
IN THE LOWER 80S. EAST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS  
AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 60S. WEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST  
WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ022-152130-  
WILL-  
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY PCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 70 50 60  
MAX TEMP (24HR TREND) 85 (+13) 77  
MIN RH % (24HR TREND) 66 (+28) 76  
MIN TEMP (24HR TREND) 64 (0) 65  
MAX RH % (24HR TREND) 99 (+29) 100  
20FT WIND AM (MPH) SW 8-10 NE 5  
20FT WIND PM (MPH) W 8-10 LGT/VAR NE 5 LGT/VAR  
PEAK WIND GUSTS (MPH) 21  
PRECIP AMOUNT (IN) 0.05-0.10 0.25-0.50 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 2000 1700  
MAX MIXING HGT (FT) 3600 2000  
TRANSPORT WND (MPH) SW 11 NE 9  
VENT RATE (MPH-FT) 43200 18000  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
SHOWERS LIKELY IN THE MORNING. MOSTLY CLOUDY. HIGHS  
IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING  
NORTHWEST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. NORTH WINDS AROUND 5 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS  
IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. EAST WINDS AROUND 10 MPH, BECOMING  
SOUTHEAST AFTER MIDNIGHT.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS  
AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 60S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. NORTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
ILZ032-152130-  
LIVINGSTON-  
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 70 60 60  
MAX TEMP (24HR TREND) 89 (+12) 82  
MIN RH % (24HR TREND) 60 (+24) 75  
MIN TEMP (24HR TREND) 65 (-2) 68  
MAX RH % (24HR TREND) 100 (+28) 100  
20FT WIND AM (MPH) SW 7-10 LGT/VAR  
20FT WIND PM (MPH) W 7-10 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 23  
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.10-0.25 0.25-0.50  
11 AM MIXING HGT (FT) 2000 1600  
MAX MIXING HGT (FT) 4300 2000  
TRANSPORT WND (MPH) W 12 NE 8  
VENT RATE (MPH-FT) 55900 16000  
VENT RATE CATEGORY FAIR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
SHOWERS LIKELY IN THE MORNING. PARTLY SUNNY. HIGHS IN  
THE MID 80S. EAST WINDS AROUND 5 MPH, BECOMING WEST IN THE  
AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS  
IN THE MID 80S. EAST WINDS AROUND 5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND  
10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 60S. WEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. NOT AS WARM.  
HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ023-152130-  
KANKAKEE-  
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY PCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 70 50 60  
MAX TEMP (24HR TREND) 88 (+14) 79  
MIN RH % (24HR TREND) 57 (+23) 74  
MIN TEMP (24HR TREND) 64 (0) 66  
MAX RH % (24HR TREND) 100 (+31) 100  
20FT WIND AM (MPH) SW 6-9 LGT/VAR  
20FT WIND PM (MPH) W 6-9 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 18  
PRECIP AMOUNT (IN) 0.05-0.10 0.50-0.75 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 2100 1500  
MAX MIXING HGT (FT) 4400 2100  
TRANSPORT WND (MPH) SW 12 NE 8  
VENT RATE (MPH-FT) 57200 16800  
VENT RATE CATEGORY FAIR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
SHOWERS LIKELY IN THE MORNING. MOSTLY CLOUDY. HIGHS  
IN THE LOWER 80S. LIGHT WINDS, BECOMING WEST AROUND 5 MPH IN THE  
AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. NORTH WINDS AROUND 5 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS  
IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS AROUND  
10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
MID 60S. WEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
5 TO 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ039-152130-  
FORD-  
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 50 60 60 50  
MAX TEMP (24HR TREND) 90 (+13) 84  
MIN RH % (24HR TREND) 54 (+20) 68  
MIN TEMP (24HR TREND) 66 (+1) 68  
MAX RH % (24HR TREND) 100 (+26) 100  
20FT WIND AM (MPH) SW 6-11 LGT/VAR  
20FT WIND PM (MPH) SW 6-11 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 20  
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.05-0.10 0.25-0.50  
11 AM MIXING HGT (FT) 2100 1600  
MAX MIXING HGT (FT) 4600 2400  
TRANSPORT WND (MPH) SW 13 NE 6  
VENT RATE (MPH-FT) 64400 16800  
VENT RATE CATEGORY FAIR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST IN  
THE AFTERNOON.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE MID 60S.  
WEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
A CHANCE OF SHOWERS IN THE EVENING. MOSTLY  
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
ILZ033-152130-  
IROQUOIS-  
INCLUDING THE CITIES OF WATSEKA AND GILMAN  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 60 60 50  
MAX TEMP (24HR TREND) 90 (+14) 84  
MIN RH % (24HR TREND) 52 (+20) 66  
MIN TEMP (24HR TREND) 65 (+1) 67  
MAX RH % (24HR TREND) 100 (+29) 100  
20FT WIND AM (MPH) SW 5-9 LGT/VAR  
20FT WIND PM (MPH) SW 5-9 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 18  
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.05-0.10 0.50-0.75  
11 AM MIXING HGT (FT) 2100 1600  
MAX MIXING HGT (FT) 4400 2300  
TRANSPORT WND (MPH) SW 13 NE 5  
VENT RATE (MPH-FT) 61600 13800  
VENT RATE CATEGORY FAIR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING WEST AROUND 5 MPH IN  
THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 60S. NORTH WINDS AROUND 5 MPH IN THE  
EVENING, BECOMING LIGHT.    
FRIDAY
 
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY SUNNY. HIGHS  
IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE MID 60S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
A CHANCE OF SHOWERS IN THE EVENING. MOSTLY  
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS  
5 TO 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 

 
 
INZ010-152130-  
NEWTON-  
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 60 60 60  
MAX TEMP (24HR TREND) 89 (+15) 82  
MIN RH % (24HR TREND) 53 (+23) 69  
MIN TEMP (24HR TREND) 64 (+1) 66  
MAX RH % (24HR TREND) 100 (+31) 100  
20FT WIND AM (MPH) SW 6-9 LGT/VAR  
20FT WIND PM (MPH) SW 6-9 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 18  
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.01-0.05 0.25-0.50  
11 AM MIXING HGT (FT) 2100 1500  
MAX MIXING HGT (FT) 4500 2200  
TRANSPORT WND (MPH) SW 14 NE 5  
VENT RATE (MPH-FT) 67500 13200  
VENT RATE CATEGORY FAIR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING WEST AROUND 5 MPH IN  
THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 10 MPH, BECOMING  
SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE MID 60S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTH IN THE  
AFTERNOON.    
SUNDAY NIGHT
 
A CHANCE OF SHOWERS IN THE EVENING. MOSTLY  
CLOUDY. LOWS IN THE MID 50S. NORTHEAST WINDS AROUND 5 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 

 
 
INZ011-152130-  
JASPER-  
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE  
432 AM CDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 60 60 60  
MAX TEMP (24HR TREND) 88 (+15) 82  
MIN RH % (24HR TREND) 55 (+25) 71  
MIN TEMP (24HR TREND) 64 (0) 66  
MAX RH % (24HR TREND) 100 (+31) 100  
20FT WIND AM (MPH) SW 7-10 LGT/VAR  
20FT WIND PM (MPH) SW 7-10 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 19  
PRECIP AMOUNT (IN) 0.01-0.05 0.50-0.75 0.01-0.05 0.25-0.50  
11 AM MIXING HGT (FT) 2100 1400  
MAX MIXING HGT (FT) 4500 2200  
TRANSPORT WND (MPH) SW 13 NE 5  
VENT RATE (MPH-FT) 63000 13200  
VENT RATE CATEGORY FAIR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.  
HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE MID 60S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 

 
 
INZ019-152130-  
BENTON-  
INCLUDING THE CITIES OF FOWLER AND OXFORD  
532 AM EDT TUE SEP 15 2026  
 
TODAY TONIGHT WED WED NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 60 60 50  
MAX TEMP (24HR TREND) 90 (+16) 84  
MIN RH % (24HR TREND) 51 (+19) 65  
MIN TEMP (24HR TREND) 66 (+3) 68  
MAX RH % (24HR TREND) 100 (+29) 100  
20FT WIND AM (MPH) S 6-10 LGT/VAR  
20FT WIND PM (MPH) SW 6-10 LGT/VAR LGT/VAR LGT/VAR  
PEAK WIND GUSTS (MPH) 19  
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.01-0.05 0.50-0.75  
11 AM MIXING HGT (FT) 1900 1700  
MAX MIXING HGT (FT) 4400 2500  
TRANSPORT WND (MPH) SW 13 NE 6  
VENT RATE (MPH-FT) 61600 17500  
VENT RATE CATEGORY FAIR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
THURSDAY
 
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING WEST  
IN THE AFTERNOON.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE  
MID 60S. NORTH WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID 60S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
A CHANCE OF SHOWERS IN THE EVENING. MOSTLY  
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.    
MONDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 

 
 
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