791
FNUS53 KLOT 310824
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
324 AM CDT SUN AUG 31 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.
ILZ014-312115-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR MCLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 77 (+4) 78
MIN RH % (24HR TREND) 36 (-11) 40
MIN TEMP (24HR TREND) 55 (-1) 56
MAX RH % (24HR TREND) 92 (+8) 95
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-7 LGT/VAR E 3-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 4000
MAX MIXING HGT (FT) 5600 5300
TRANSPORT WND (MPH) E 5 E 10
VENT RATE (MPH-FT) 33600 53000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING
NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE LOWER 50S. WEST WINDS AROUND 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. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. WEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 5 MPH.
ILZ006-312115-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 76 (+4) 78
MIN RH % (24HR TREND) 40 (-13) 45
MIN TEMP (24HR TREND) 51 (0) 54
MAX RH % (24HR TREND) 98 (+3) 97
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-7 LGT/VAR E 2-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3900 4200
MAX MIXING HGT (FT) 5100 5300
TRANSPORT WND (MPH) E 5 E 8
VENT RATE (MPH-FT) 30600 42400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS, BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS 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. COOLER. LOWS IN THE
UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. COOLER. HIGHS IN THE LOWER 60S.
NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE MID 60S. WEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
INZ001-312115-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 76 (+4) 78
MIN RH % (24HR TREND) 40 (-11) 44
MIN TEMP (24HR TREND) 50 (-2) 52
MAX RH % (24HR TREND) 91 (-6) 93
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NE 2-6 LGT/VAR NE 3-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4100 2800
MAX MIXING HGT (FT) 5400 5100
TRANSPORT WND (MPH) NE 6 NE 10
VENT RATE (MPH-FT) 37800 51000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING
NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. 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 LOWER 60S.
NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. WEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH.
INZ002-312115-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 76 (+3) 77
MIN RH % (24HR TREND) 41 (-11) 45
MIN TEMP (24HR TREND) 50 (-2) 52
MAX RH % (24HR TREND) 90 (-3) 91
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NE 3-6 LGT/VAR NE 3-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4000 2700
MAX MIXING HGT (FT) 5300 5100
TRANSPORT WND (MPH) NE 6 NE 10
VENT RATE (MPH-FT) 37100 51000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING
NORTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE LOWER 50S. WEST WINDS AROUND 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 MID 40S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH.
ILZ013-312115-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+4) 79
MIN RH % (24HR TREND) 36 (-13) 39
MIN TEMP (24HR TREND) 54 (-2) 56
MAX RH % (24HR TREND) 97 (+12) 97
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-6 LGT/VAR E 3-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4100 4100
MAX MIXING HGT (FT) 5600 5500
TRANSPORT WND (MPH) E 4 E 10
VENT RATE (MPH-FT) 28000 55000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS, BECOMING EAST
AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 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 UPPER
40S. NORTHWEST WINDS AROUND 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. WEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. WEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH.
ILZ012-312115-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR MCLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+5) 79
MIN RH % (24HR TREND) 38 (-17) 41
MIN TEMP (24HR TREND) 52 (0) 54
MAX RH % (24HR TREND) 100 (+10) 96
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-5 LGT/VAR E 3-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 3700
MAX MIXING HGT (FT) 5300 5400
TRANSPORT WND (MPH) E 4 E 9
VENT RATE (MPH-FT) 26500 48600
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS, BECOMING
NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
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 UPPER
40S. NORTHWEST WINDS AROUND 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 MID 40S. WEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
ILZ005-312115-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 76 (+3) 78
MIN RH % (24HR TREND) 41 (-17) 46
MIN TEMP (24HR TREND) 51 (+2) 53
MAX RH % (24HR TREND) 98 (+5) 96
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) 3500 3700
MAX MIXING HGT (FT) 5100 5200
TRANSPORT WND (MPH) E 4 E 8
VENT RATE (MPH-FT) 25500 41600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING
NORTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COOLER. LOWS IN THE
MID 40S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS AROUND 60. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ004-312115-
BOONE-
INCLUDING THE CITY OF BELVIDERE
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 76 (+3) 77
MIN RH % (24HR TREND) 40 (-19) 48
MIN TEMP (24HR TREND) 51 (+1) 52
MAX RH % (24HR TREND) 96 (+4) 96
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) 3300 3400
MAX MIXING HGT (FT) 4900 5000
TRANSPORT WND (MPH) E 4 E 8
VENT RATE (MPH-FT) 24500 40000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING,
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COOLER. LOWS IN THE
MID 40S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE UPPER 50S.
NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. LIGHT WINDS.
ILZ011-312115-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 77 (+3) 79
MIN RH % (24HR TREND) 40 (-16) 41
MIN TEMP (24HR TREND) 50 (-2) 53
MAX RH % (24HR TREND) 100 (+7) 94
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) 3700 3500
MAX MIXING HGT (FT) 5100 5300
TRANSPORT WND (MPH) E 5 E 9
VENT RATE (MPH-FT) 30600 47700
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COOLER. LOWS IN THE
MID 40S. NORTHWEST WINDS AROUND 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 MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY 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. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
ILZ003-312115-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 76 (+3) 78
MIN RH % (24HR TREND) 39 (-19) 44
MIN TEMP (24HR TREND) 51 (0) 52
MAX RH % (24HR TREND) 96 (+6) 98
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) 3200 3400
MAX MIXING HGT (FT) 4700 5000
TRANSPORT WND (MPH) E 4 E 8
VENT RATE (MPH-FT) 23500 40000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING
NORTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING,
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COOLER. LOWS IN THE
MID 40S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS AROUND 60. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 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. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ008-312115-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 77 (+3) 79
MIN RH % (24HR TREND) 38 (-15) 43
MIN TEMP (24HR TREND) 50 (-2) 52
MAX RH % (24HR TREND) 100 (+8) 94
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) 3500 3600
MAX MIXING HGT (FT) 4800 5200
TRANSPORT WND (MPH) E 4 E 8
VENT RATE (MPH-FT) 24000 41600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING,
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COOLER. 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 BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ010-312115-
LEE-
INCLUDING THE CITY OF DIXON
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 77 (+2) 79
MIN RH % (24HR TREND) 41 (-8) 43
MIN TEMP (24HR TREND) 50 (-3) 52
MAX RH % (24HR TREND) 100 (+6) 92
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NE 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) 3500 3300
MAX MIXING HGT (FT) 5100 5200
TRANSPORT WND (MPH) NE 5 E 10
VENT RATE (MPH-FT) 30600 52000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COOLER. 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 BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ019-312115-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON 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) 40 (-9) 37
MIN TEMP (24HR TREND) 51 (-5) 53
MAX RH % (24HR TREND) 99 (+5) 92
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-5 LGT/VAR E 3-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3800 3200
MAX MIXING HGT (FT) 5800 5900
TRANSPORT WND (MPH) E 5 E 11
VENT RATE (MPH-FT) 34800 70800
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 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 UPPER
40S. NORTHWEST 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 MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ020-312115-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+4) 80
MIN RH % (24HR TREND) 38 (-16) 40
MIN TEMP (24HR TREND) 51 (-3) 55
MAX RH % (24HR TREND) 100 (+6) 96
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) 3600 3000
MAX MIXING HGT (FT) 5400 5100
TRANSPORT WND (MPH) E 5 E 10
VENT RATE (MPH-FT) 32400 51000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 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 UPPER
40S. NORTHWEST WINDS AROUND 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 MID 40S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
ILZ021-312115-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+5) 80
MIN RH % (24HR TREND) 38 (-16) 40
MIN TEMP (24HR TREND) 51 (-3) 54
MAX RH % (24HR TREND) 98 (+2) 95
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-5 LGT/VAR E 3-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4100 2900
MAX MIXING HGT (FT) 5700 5200
TRANSPORT WND (MPH) E 5 E 11
VENT RATE (MPH-FT) 34200 62400
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 40S. NORTHWEST 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 MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. WEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ022-312115-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+4) 79
MIN RH % (24HR TREND) 39 (-12) 41
MIN TEMP (24HR TREND) 51 (-3) 54
MAX RH % (24HR TREND) 94 (+1) 97
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-5 LGT/VAR E 3-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4200 3200
MAX MIXING HGT (FT) 5600 5100
TRANSPORT WND (MPH) E 5 E 10
VENT RATE (MPH-FT) 33600 51000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. 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 MID 40S. WEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH.
ILZ032-312115-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+3) 81
MIN RH % (24HR TREND) 38 (-9) 38
MIN TEMP (24HR TREND) 50 (-6) 53
MAX RH % (24HR TREND) 96 (+3) 93
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-5 LGT/VAR E 4-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4500 3200
MAX MIXING HGT (FT) 5900 5600
TRANSPORT WND (MPH) E 8 E 10
VENT RATE (MPH-FT) 47200 56000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. 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 MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 10 TO
15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH.
ILZ023-312115-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+5) 79
MIN RH % (24HR TREND) 39 (-11) 41
MIN TEMP (24HR TREND) 50 (-3) 52
MAX RH % (24HR TREND) 94 (-1) 95
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 2-5 LGT/VAR E 3-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4200 3000
MAX MIXING HGT (FT) 5600 5500
TRANSPORT WND (MPH) E 5 E 11
VENT RATE (MPH-FT) 33600 66000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. 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 MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ039-312115-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 79 (+3) 80
MIN RH % (24HR TREND) 37 (-8) 37
MIN TEMP (24HR TREND) 50 (-5) 53
MAX RH % (24HR TREND) 94 (+4) 92
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 4-6 LGT/VAR E 4-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4600 2900
MAX MIXING HGT (FT) 5600 5300
TRANSPORT WND (MPH) E 8 E 9
VENT RATE (MPH-FT) 44800 47700
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
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. NORTHWEST 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 MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH.
ILZ033-312115-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 78 (+3) 80
MIN RH % (24HR TREND) 37 (-12) 37
MIN TEMP (24HR TREND) 49 (-3) 52
MAX RH % (24HR TREND) 93 (0) 91
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) 4500 2900
MAX MIXING HGT (FT) 5600 5700
TRANSPORT WND (MPH) E 8 E 10
VENT RATE (MPH-FT) 44800 57000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
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. NORTHWEST 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 MID 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST 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 LOWER 70S. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
INZ010-312115-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 77 (+4) 79
MIN RH % (24HR TREND) 39 (-14) 41
MIN TEMP (24HR TREND) 49 (-1) 52
MAX RH % (24HR TREND) 94 (-5) 92
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) E 3-5 LGT/VAR E 3-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 3000
MAX MIXING HGT (FT) 5600 5800
TRANSPORT WND (MPH) E 6 E 10
VENT RATE (MPH-FT) 39200 58000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. 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 AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
INZ011-312115-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
324 AM CDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 76 (+3) 78
MIN RH % (24HR TREND) 38 (-16) 43
MIN TEMP (24HR TREND) 49 (-1) 52
MAX RH % (24HR TREND) 92 (-6) 91
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 3200
MAX MIXING HGT (FT) 5600 5900
TRANSPORT WND (MPH) E 8 E 10
VENT RATE (MPH-FT) 44800 59000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS AROUND 50. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. COOLER. HIGHS IN THE LOWER 60S. WEST
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. WEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
INZ019-312115-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
424 AM EDT SUN AUG 31 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 77 (+3) 79
MIN RH % (24HR TREND) 37 (-13) 40
MIN TEMP (24HR TREND) 49 (-3) 52
MAX RH % (24HR TREND) 89 (-1) 89
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) 4200 2900
MAX MIXING HGT (FT) 5300 5600
TRANSPORT WND (MPH) E 9 E 10
VENT RATE (MPH-FT) 47700 56000
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
50. 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 MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
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