879
FNUS53 KLOT 010814
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
314 AM CDT MON SEP 1 2025
DISCUSSION
DRY WEATHER IS ANTICIPATED THROUGH TUESDAY WITH
SLOWLY WARMING TEMPERATURES. A STRONG EARLY SEASON STORM SYSTEM
IS EXPECTED TO DRIVE A STRONG COLD FRONT ACROSS THE AREA
LATE WEDNESDAY. THIS WILL PRESENT THE AREA WITH THE NEXT GOOD
CHANCE FOR PRECIPITATION ON WEDNESDAY FOLLOWED BY BREEZY
AND MUCH COOLER CONDITIONS FOR THE SECOND HALF OF THE WEEK.
ILZ014-012115-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+2) 80
MIN RH % (24HR TREND) 35 (-12) 38
MIN TEMP (24HR TREND) 55 (-2) 58
MAX RH % (24HR TREND) 97 (+10) 86
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NE 4-7 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4100 4200
MAX MIXING HGT (FT) 5700 6100
TRANSPORT WND (MPH) E 8 NE 5
VENT RATE (MPH-FT) 45600 36600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS AROUND 50. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS AROUND 70. WEST WINDS AROUND 5 MPH,
BECOMING NORTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ006-012115-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+4) 79
MIN RH % (24HR TREND) 38 (-9) 42
MIN TEMP (24HR TREND) 52 (+1) 57
MAX RH % (24HR TREND) 98 (-1) 89
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-7 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4700 3200
MAX MIXING HGT (FT) 5700 5400
TRANSPORT WND (MPH) E 6 SE 6
VENT RATE (MPH-FT) 39900 37800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE LOWER 60S.
NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS
IN THE UPPER 60S. SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
INZ001-012115-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+2) 80
MIN RH % (24HR TREND) 39 (-8) 39
MIN TEMP (24HR TREND) 51 (0) 54
MAX RH % (24HR TREND) 100 (+9) 93
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NE 4-7 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 3700
MAX MIXING HGT (FT) 5400 6100
TRANSPORT WND (MPH) NE 9 NE 3
VENT RATE (MPH-FT) 48600 18300
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS AROUND 80. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS AROUND 50. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS AROUND 70. WEST WINDS AROUND 5 MPH,
BECOMING NORTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
INZ002-012115-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+3) 80
MIN RH % (24HR TREND) 38 (-8) 39
MIN TEMP (24HR TREND) 52 (+2) 54
MAX RH % (24HR TREND) 95 (+5) 93
20FT WIND AM (MPH) E 5-7 LGT/VAR
20FT WIND PM (MPH) NE 5-7 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 3500
MAX MIXING HGT (FT) 5600 6300
TRANSPORT WND (MPH) NE 9 NE 4
VENT RATE (MPH-FT) 50400 31500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS AROUND 80. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 50S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ013-012115-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+2) 81
MIN RH % (24HR TREND) 35 (-8) 37
MIN TEMP (24HR TREND) 54 (-2) 57
MAX RH % (24HR TREND) 99 (+8) 88
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 4-7 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4200 3800
MAX MIXING HGT (FT) 5900 6200
TRANSPORT WND (MPH) E 8 W 5
VENT RATE (MPH-FT) 47200 37200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. WEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ012-012115-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+3) 80
MIN RH % (24HR TREND) 37 (-6) 41
MIN TEMP (24HR TREND) 51 (-1) 56
MAX RH % (24HR TREND) 99 (0) 89
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4000 3000
MAX MIXING HGT (FT) 5800 5300
TRANSPORT WND (MPH) E 6 W 5
VENT RATE (MPH-FT) 40600 31800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. SHOWERS LIKELY IN THE AFTERNOON. HIGHS
IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ005-012115-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 78 (+4) 78
MIN RH % (24HR TREND) 41 (-4) 44
MIN TEMP (24HR TREND) 51 (+1) 56
MAX RH % (24HR TREND) 94 (-5) 92
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4200 2900
MAX MIXING HGT (FT) 5700 5000
TRANSPORT WND (MPH) E 4 W 6
VENT RATE (MPH-FT) 28500 35000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE LOWER 60S. WEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. LIGHT WINDS.
ILZ004-012115-
BOONE-
INCLUDING THE CITY OF BELVIDERE
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 77 (+3) 78
MIN RH % (24HR TREND) 44 (-1) 46
MIN TEMP (24HR TREND) 51 (-1) 56
MAX RH % (24HR TREND) 92 (-3) 94
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4000 2600
MAX MIXING HGT (FT) 5400 5000
TRANSPORT WND (MPH) E 4 W 5
VENT RATE (MPH-FT) 27000 30000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE LOWER 60S.
NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE MID
40S. WEST WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. LIGHT WINDS.
ILZ011-012115-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+4) 79
MIN RH % (24HR TREND) 39 (-5) 42
MIN TEMP (24HR TREND) 51 (-1) 56
MAX RH % (24HR TREND) 97 (+1) 89
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 4-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4000 2900
MAX MIXING HGT (FT) 5400 5400
TRANSPORT WND (MPH) E 5 W 5
VENT RATE (MPH-FT) 32400 32400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ003-012115-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 77 (+3) 78
MIN RH % (24HR TREND) 43 (+1) 44
MIN TEMP (24HR TREND) 51 (0) 56
MAX RH % (24HR TREND) 95 (0) 95
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 2800
MAX MIXING HGT (FT) 5300 5300
TRANSPORT WND (MPH) E 5 W 6
VENT RATE (MPH-FT) 31800 37100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE LOWER 60S.
NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE MID
40S. WEST WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS AROUND 70. NORTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. EAST WINDS
AROUND 5 MPH.
ILZ008-012115-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 79 (+4) 80
MIN RH % (24HR TREND) 40 (+3) 42
MIN TEMP (24HR TREND) 49 (-1) 56
MAX RH % (24HR TREND) 100 (+2) 93
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4100 3100
MAX MIXING HGT (FT) 5500 5500
TRANSPORT WND (MPH) E 5 W 5
VENT RATE (MPH-FT) 33000 33000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. WEST WINDS AROUND 5 MPH, BECOMING
SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ010-012115-
LEE-
INCLUDING THE CITY OF DIXON
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+4) 80
MIN RH % (24HR TREND) 39 (-4) 41
MIN TEMP (24HR TREND) 50 (-2) 56
MAX RH % (24HR TREND) 97 (+1) 91
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 4-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 3000
MAX MIXING HGT (FT) 5600 5700
TRANSPORT WND (MPH) E 5 NW 4
VENT RATE (MPH-FT) 33600 28500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ019-012115-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+2) 81
MIN RH % (24HR TREND) 35 (-10) 37
MIN TEMP (24HR TREND) 52 (-1) 56
MAX RH % (24HR TREND) 93 (+1) 85
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 4-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3200 3400
MAX MIXING HGT (FT) 5400 6600
TRANSPORT WND (MPH) E 8 NW 4
VENT RATE (MPH-FT) 43200 33000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ020-012115-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+2) 81
MIN RH % (24HR TREND) 37 (-10) 41
MIN TEMP (24HR TREND) 51 (-2) 56
MAX RH % (24HR TREND) 100 (+5) 89
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2800 3000
MAX MIXING HGT (FT) 5400 5700
TRANSPORT WND (MPH) E 6 W 4
VENT RATE (MPH-FT) 37800 28500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. WEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ021-012115-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+2) 82
MIN RH % (24HR TREND) 35 (-11) 37
MIN TEMP (24HR TREND) 53 (0) 56
MAX RH % (24HR TREND) 97 (+2) 88
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 4-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2900 3300
MAX MIXING HGT (FT) 5300 6300
TRANSPORT WND (MPH) E 8 NW 4
VENT RATE (MPH-FT) 42400 31500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ022-012115-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+2) 81
MIN RH % (24HR TREND) 36 (-10) 39
MIN TEMP (24HR TREND) 53 (0) 55
MAX RH % (24HR TREND) 100 (+7) 91
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 4-7 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 3600
MAX MIXING HGT (FT) 5400 5900
TRANSPORT WND (MPH) E 8 W 4
VENT RATE (MPH-FT) 43200 29500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS AROUND 80. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ032-012115-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+2) 82
MIN RH % (24HR TREND) 34 (-9) 37
MIN TEMP (24HR TREND) 52 (0) 55
MAX RH % (24HR TREND) 97 (+3) 88
20FT WIND AM (MPH) E 5-7 LGT/VAR
20FT WIND PM (MPH) E 5-7 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3200 3400
MAX MIXING HGT (FT) 5300 6300
TRANSPORT WND (MPH) E 9 N 3
VENT RATE (MPH-FT) 47700 18900
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ023-012115-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+3) 81
MIN RH % (24HR TREND) 36 (-8) 38
MIN TEMP (24HR TREND) 51 (+1) 54
MAX RH % (24HR TREND) 100 (+5) 92
20FT WIND AM (MPH) E 5-7 LGT/VAR
20FT WIND PM (MPH) E 5-7 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2700 3800
MAX MIXING HGT (FT) 5500 6300
TRANSPORT WND (MPH) E 10 NW 4
VENT RATE (MPH-FT) 55000 31500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY, COOLER. HIGHS IN THE MID 60S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ039-012115-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+2) 82
MIN RH % (24HR TREND) 32 (-8) 35
MIN TEMP (24HR TREND) 53 (+2) 55
MAX RH % (24HR TREND) 93 (0) 88
20FT WIND AM (MPH) E 5-7 LGT/VAR
20FT WIND PM (MPH) E 5-7 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 3900
MAX MIXING HGT (FT) 5100 6400
TRANSPORT WND (MPH) E 10 NE 3
VENT RATE (MPH-FT) 51000 19200
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. WEST WINDS AROUND 10 MPH.
THURSDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ033-012115-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+2) 82
MIN RH % (24HR TREND) 34 (-9) 35
MIN TEMP (24HR TREND) 51 (+1) 54
MAX RH % (24HR TREND) 95 (+1) 90
20FT WIND AM (MPH) E 5-6 LGT/VAR
20FT WIND PM (MPH) E 5-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2700 3600
MAX MIXING HGT (FT) 5400 6300
TRANSPORT WND (MPH) E 9 N 4
VENT RATE (MPH-FT) 48600 31500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. LIGHT WINDS.
INZ010-012115-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+2) 81
MIN RH % (24HR TREND) 35 (-11) 37
MIN TEMP (24HR TREND) 51 (+2) 54
MAX RH % (24HR TREND) 98 (+5) 92
20FT WIND AM (MPH) E 5-6 LGT/VAR
20FT WIND PM (MPH) NE 5-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2800 3900
MAX MIXING HGT (FT) 5700 6500
TRANSPORT WND (MPH) E 9 NW 4
VENT RATE (MPH-FT) 51300 32500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. LIGHT WINDS.
INZ011-012115-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
314 AM CDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+2) 81
MIN RH % (24HR TREND) 36 (-9) 36
MIN TEMP (24HR TREND) 50 (+1) 54
MAX RH % (24HR TREND) 97 (+4) 92
20FT WIND AM (MPH) E 5-6 LGT/VAR
20FT WIND PM (MPH) NE 5-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 3900
MAX MIXING HGT (FT) 5900 6900
TRANSPORT WND (MPH) NE 8 NW 4
VENT RATE (MPH-FT) 47200 34500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS AROUND
50. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS AROUND 70. WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. LIGHT WINDS.
INZ019-012115-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
414 AM EDT MON SEP 1 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+2) 81
MIN RH % (24HR TREND) 35 (-9) 36
MIN TEMP (24HR TREND) 52 (+1) 54
MAX RH % (24HR TREND) 93 (+6) 91
20FT WIND AM (MPH) E 5-6 LGT/VAR
20FT WIND PM (MPH) E 5-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2600 3800
MAX MIXING HGT (FT) 5500 6600
TRANSPORT WND (MPH) E 8 S 4
VENT RATE (MPH-FT) 44000 33000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
SHOWERS. LOWS AROUND 50. WEST WINDS AROUND
5 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. LIGHT
WINDS, BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS, BECOMING
NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. LIGHT WINDS.
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