295
FNUS53 KLOT 120947
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
347 AM CST FRI DEC 12 2025
DISCUSSION
AFTER A PARTLY CLOUDY START TO THE MORNING, EXPECT INCREASING MID
AND UPPER-LEVEL CLOUD COVER THIS AFTERNOON. SOME FLURRIES ARE
POSSIBLE THIS EVENING. ANOTHER STORM SYSTEM WILL BRING A SWATH OF
ACCUMULATING SNOW ACROSS CENTRAL AND PORTIONS OF NORTHERN ILLINOIS
ON SATURDAY. SEVERAL INCHES OF ACCUMULATIONS ARE POSSIBLE SOUTH
OF I-80, WITH LITTLE TO NO ACCUMULATION CLOSER TO THE WISCONSIN
STATE LINE.
EXPECT BITTERLY COLD CONDITIONS THROUGH THE UPCOMING WEEKEND
BEFORE A TREND TOWARD WARMER AND DRIER CONDITIONS FOR THE FIRST
HALF OF NEXT WEEK.
ILZ014-122230-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY CLOUDY MCLEAR
PRECIP TYPE NONE FLURRIES SNOW NONE
CHANCE PRECIP (%) 10 10 60 10
MAX TEMP (24HR TREND) 30 (+3) 14
MIN RH % (24HR TREND) 75 (+16) 64
MIN TEMP (24HR TREND) 5 (-18) -3
MAX RH % (24HR TREND) 85 (+2) 78
20FT WIND AM (MPH) LGT/VAR NW 10-11
20FT WIND PM (MPH) W 3-7 W 10-15 NW 10-11 NW 11
PEAK WIND GUSTS (MPH) 23 18 20
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1500 2100
MAX MIXING HGT (FT) 2500 2300
TRANSPORT WND (MPH) W 12 NW 18
VENT RATE (MPH-FT) 32500 41400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 11. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 2. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 15. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 30S.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S. WEST WINDS 5 TO
10 MPH.
ILZ006-122230-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLEAR
PRECIP TYPE NONE FLURRIES SNOW NONE
CHANCE PRECIP (%) 10 10 40 10
MAX TEMP (24HR TREND) 27 (+2) 10
MIN RH % (24HR TREND) 75 (+15) 68
MIN TEMP (24HR TREND) 1 (-17) -5
MAX RH % (24HR TREND) 86 (+4) 80
20FT WIND AM (MPH) LGT/VAR NW 10-11
20FT WIND PM (MPH) W 4-8 W 10-15 NW 10-11 NW 12
PEAK WIND GUSTS (MPH) 16 25 20 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 700 1800
MAX MIXING HGT (FT) 2100 2000
TRANSPORT WND (MPH) W 13 NW 19
VENT RATE (MPH-FT) 29400 40000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 10. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS NEAR ZERO. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 12. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE MID 30S.
SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE LOWER 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 18. NORTHWEST WINDS 5 TO
10 MPH.
INZ001-122230-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY CLOUDY PCLDY
PRECIP TYPE NONE FLURRIES SNOW SNOW SHOWERS
CHANCE PRECIP (%) 10 10 80 20
MAX TEMP (24HR TREND) 31 (+4) 16
MIN RH % (24HR TREND) 76 (+13) 66
MIN TEMP (24HR TREND) 10 (-13) -2
MAX RH % (24HR TREND) 88 (+1) 81
20FT WIND AM (MPH) LGT/VAR NW 9-10
20FT WIND PM (MPH) W 3-6 W 10-12 NW 9-10 NW 11-12
PEAK WIND GUSTS (MPH) 23 17 23
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00
11 AM MIXING HGT (FT) 1500 2100
MAX MIXING HGT (FT) 2500 2300
TRANSPORT WND (MPH) W 10 NW 16
VENT RATE (MPH-FT) 25000 36800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 12. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS NEAR ZERO. WEST WINDS AROUND
5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 14.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 30.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S. WEST WINDS 5 TO
10 MPH.
INZ002-122230-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY CLOUDY PCLDY
PRECIP TYPE NONE SNOW SHOWERS SNOW SNOW SHOWERS
CHANCE PRECIP (%) 10 20 80 30
MAX TEMP (24HR TREND) 30 (+2) 17
MIN RH % (24HR TREND) 74 (+12) 68
MIN TEMP (24HR TREND) 11 (-12) 0
MAX RH % (24HR TREND) 88 (+3) 82
20FT WIND AM (MPH) LGT/VAR NW 10
20FT WIND PM (MPH) W 3-6 W 10-12 NW 10 NW 10-15
PEAK WIND GUSTS (MPH) 25 19 24
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.01-0.05
11 AM MIXING HGT (FT) 1500 2400
MAX MIXING HGT (FT) 2500 2800
TRANSPORT WND (MPH) W 9 NW 18
VENT RATE (MPH-FT) 22500 50400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 14. NORTHWEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 20. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 14.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 30.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
WEST WINDS AROUND 10 MPH.
ILZ013-122230-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY CLOUDY MCLEAR
PRECIP TYPE NONE FLURRIES SNOW NONE
CHANCE PRECIP (%) 10 10 60 10
MAX TEMP (24HR TREND) 29 (+2) 11
MIN RH % (24HR TREND) 78 (+17) 66
MIN TEMP (24HR TREND) 5 (-16) -3
MAX RH % (24HR TREND) 87 (+4) 77
20FT WIND AM (MPH) LGT/VAR NW 10-11
20FT WIND PM (MPH) W 3-7 W 10-15 NW 10-11 NW 11
PEAK WIND GUSTS (MPH) 21 17 18
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1200 2000
MAX MIXING HGT (FT) 2200 2200
TRANSPORT WND (MPH) W 12 NW 17
VENT RATE (MPH-FT) 28600 37400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 10. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 1 BELOW. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 14. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 40S. WEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 20. NORTHWEST WINDS AROUND
10 MPH.
ILZ012-122230-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY CLOUDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 60 10
MAX TEMP (24HR TREND) 28 (+3) 9
MIN RH % (24HR TREND) 80 (+14) 72
MIN TEMP (24HR TREND) 2 (-16) -6
MAX RH % (24HR TREND) 88 (+3) 80
20FT WIND AM (MPH) LGT/VAR NW 9-11
20FT WIND PM (MPH) W 3-8 W 10-15 NW 9-11 NW 11
PEAK WIND GUSTS (MPH) 15 23 17 19
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 800 1800
MAX MIXING HGT (FT) 1900 2100
TRANSPORT WND (MPH) W 12 NW 18
VENT RATE (MPH-FT) 24700 37800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 7. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 3 BELOW. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. NOT AS COLD. HIGHS AROUND 20. SOUTHWEST
WINDS AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 12. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 18. NORTHWEST WINDS AROUND
10 MPH.
ILZ005-122230-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 40 10
MAX TEMP (24HR TREND) 25 (+1) 7
MIN RH % (24HR TREND) 79 (+15) 70
MIN TEMP (24HR TREND) 0 (-13) -7
MAX RH % (24HR TREND) 88 (-4) 81
20FT WIND AM (MPH) LGT/VAR NW 9-11
20FT WIND PM (MPH) W 3-8 W 10-15 NW 9-11 NW 11
PEAK WIND GUSTS (MPH) 15 23 18 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 600 1700
MAX MIXING HGT (FT) 1600 2000
TRANSPORT WND (MPH) W 14 NW 19
VENT RATE (MPH-FT) 24000 40000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 7. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 4 BELOW. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. NOT AS COLD. HIGHS AROUND 19. SOUTHWEST
WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 10. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE MID 30S.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE LOWER 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 16. NORTHWEST WINDS 5 TO
10 MPH.
ILZ004-122230-
BOONE-
INCLUDING THE CITY OF BELVIDERE
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 40
MAX TEMP (24HR TREND) 24 (0) 7
MIN RH % (24HR TREND) 78 (+9) 70
MIN TEMP (24HR TREND) 0 (-11) -8
MAX RH % (24HR TREND) 88 (-8) 81
20FT WIND AM (MPH) LGT/VAR NW 9-10
20FT WIND PM (MPH) W 3-8 W 10-15 NW 9-10 NW 10
PEAK WIND GUSTS (MPH) 15 23 17 18
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 500 1800
MAX MIXING HGT (FT) 1500 2100
TRANSPORT WND (MPH) W 12 NW 19
VENT RATE (MPH-FT) 19500 42000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 6. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 6 BELOW. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. NOT AS COLD. HIGHS AROUND 20. SOUTHWEST
WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 9. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE MID 30S.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 15.
NORTHWEST WINDS 5 TO 10 MPH.
ILZ011-122230-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY CLOUDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 60
MAX TEMP (24HR TREND) 26 (+1) 9
MIN RH % (24HR TREND) 80 (+12) 72
MIN TEMP (24HR TREND) 2 (-14) -7
MAX RH % (24HR TREND) 89 (0) 80
20FT WIND AM (MPH) LGT/VAR NW 9-10
20FT WIND PM (MPH) W 3-7 W 10-15 NW 9-10 NW 11
PEAK WIND GUSTS (MPH) 23 17 19
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 800 1800
MAX MIXING HGT (FT) 1900 2000
TRANSPORT WND (MPH) W 12 NW 19
VENT RATE (MPH-FT) 24700 40000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 6. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 4 BELOW. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 11. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 18.
NORTHWEST WINDS AROUND 10 MPH.
ILZ003-122230-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 40
MAX TEMP (24HR TREND) 25 (+1) 8
MIN RH % (24HR TREND) 79 (+10) 67
MIN TEMP (24HR TREND) 1 (-10) -8
MAX RH % (24HR TREND) 86 (-12) 78
20FT WIND AM (MPH) LGT/VAR NW 9-10
20FT WIND PM (MPH) W 3-8 NW 10-15 NW 9-10 NW 10-11
PEAK WIND GUSTS (MPH) 16 21 17 18
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 500 1800
MAX MIXING HGT (FT) 1600 2100
TRANSPORT WND (MPH) W 13 NW 19
VENT RATE (MPH-FT) 22400 42000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 7. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 6 BELOW. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 8. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE MID 30S.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 15.
NORTHWEST WINDS 5 TO 10 MPH.
ILZ008-122230-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 60
MAX TEMP (24HR TREND) 26 (+1) 8
MIN RH % (24HR TREND) 79 (+10) 71
MIN TEMP (24HR TREND) 2 (-12) -9
MAX RH % (24HR TREND) 89 (-6) 82
20FT WIND AM (MPH) LGT/VAR NW 8-9
20FT WIND PM (MPH) W 3-7 NW 10-15 NW 8-9 NW 10
PEAK WIND GUSTS (MPH) 16 21 16 18
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 700 1800
MAX MIXING HGT (FT) 1600 2100
TRANSPORT WND (MPH) W 11 NW 18
VENT RATE (MPH-FT) 19200 37800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 6. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 6 BELOW. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 10. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE LOWER 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 16.
NORTHWEST WINDS 5 TO 10 MPH.
ILZ010-122230-
LEE-
INCLUDING THE CITY OF DIXON
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY CLOUDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 70
MAX TEMP (24HR TREND) 26 (0) 9
MIN RH % (24HR TREND) 81 (+11) 73
MIN TEMP (24HR TREND) 3 (-15) -8
MAX RH % (24HR TREND) 90 (-2) 83
20FT WIND AM (MPH) LGT/VAR NW 9
20FT WIND PM (MPH) W 3-7 W 12 NW 9 NW 10
PEAK WIND GUSTS (MPH) 21 16 18
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00
11 AM MIXING HGT (FT) 900 1800
MAX MIXING HGT (FT) 1800 2000
TRANSPORT WND (MPH) W 11 NW 19
VENT RATE (MPH-FT) 21600 40000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 5. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 6 BELOW. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 12.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE LOWER 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 18.
NORTHWEST WINDS 5 TO 10 MPH.
ILZ019-122230-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY CLOUDY CLOUDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 80 10
MAX TEMP (24HR TREND) 28 (0) 12
MIN RH % (24HR TREND) 80 (+6) 71
MIN TEMP (24HR TREND) 5 (-17) -6
MAX RH % (24HR TREND) 90 (-2) 83
20FT WIND AM (MPH) LGT/VAR NW 8-9
20FT WIND PM (MPH) W 3-6 W 11-12 NW 8-9 NW 10-11
PEAK WIND GUSTS (MPH) 21 16 18
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 1100 2000
MAX MIXING HGT (FT) 2200 2100
TRANSPORT WND (MPH) W 11 NW 16
VENT RATE (MPH-FT) 26400 33600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 6. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 4 BELOW. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 13.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 30.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. SOUTH WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 40S. WEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 20.
NORTHWEST WINDS AROUND 10 MPH.
ILZ020-122230-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY CLOUDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 80 10
MAX TEMP (24HR TREND) 28 (+1) 11
MIN RH % (24HR TREND) 81 (+15) 72
MIN TEMP (24HR TREND) 5 (-16) -5
MAX RH % (24HR TREND) 89 (+1) 81
20FT WIND AM (MPH) LGT/VAR NW 9-10
20FT WIND PM (MPH) W 3-7 W 12 NW 9-10 NW 11
PEAK WIND GUSTS (MPH) 21 17 18
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00
11 AM MIXING HGT (FT) 1000 2000
MAX MIXING HGT (FT) 2100 2200
TRANSPORT WND (MPH) W 11 NW 17
VENT RATE (MPH-FT) 25200 37400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 8. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 3 BELOW. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 13. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 30.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 40S. WEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 20. NORTHWEST WINDS 5 TO
10 MPH.
ILZ021-122230-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY CLOUDY CLOUDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 80 10
MAX TEMP (24HR TREND) 30 (+2) 13
MIN RH % (24HR TREND) 82 (+9) 69
MIN TEMP (24HR TREND) 8 (-15) -5
MAX RH % (24HR TREND) 90 (-8) 86
20FT WIND AM (MPH) LGT/VAR NW 9
20FT WIND PM (MPH) W 3-6 W 11-12 NW 9 NW 10-11
PEAK WIND GUSTS (MPH) 20 16 18
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 1400 2100
MAX MIXING HGT (FT) 2400 2200
TRANSPORT WND (MPH) W 11 NW 16
VENT RATE (MPH-FT) 28800 35200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 8. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 3 BELOW. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 14.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 30S.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 30.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 40S. WEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S. NORTHWEST WINDS
5 TO 10 MPH.
ILZ022-122230-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY CLOUDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 80 10
MAX TEMP (24HR TREND) 30 (+2) 13
MIN RH % (24HR TREND) 80 (+18) 69
MIN TEMP (24HR TREND) 7 (-16) -4
MAX RH % (24HR TREND) 91 (0) 83
20FT WIND AM (MPH) LGT/VAR NW 9-10
20FT WIND PM (MPH) W 3-6 W 10-15 NW 9-10 NW 11
PEAK WIND GUSTS (MPH) 21 17 18
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00
11 AM MIXING HGT (FT) 1400 2000
MAX MIXING HGT (FT) 2300 2200
TRANSPORT WND (MPH) W 11 NW 16
VENT RATE (MPH-FT) 27600 35200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 9. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2 BELOW. WEST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 13.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 30.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S. WEST WINDS 5 TO
10 MPH.
ILZ032-122230-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY CLOUDY CLOUDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 90 10
MAX TEMP (24HR TREND) 30 (+2) 15
MIN RH % (24HR TREND) 85 (+10) 74
MIN TEMP (24HR TREND) 9 (-14) -7
MAX RH % (24HR TREND) 94 (-2) 92
20FT WIND AM (MPH) LGT/VAR NW 9
20FT WIND PM (MPH) W 3-5 W 10-12 NW 9 NW 10-11
PEAK WIND GUSTS (MPH) 20 15 18
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 1300 1900
MAX MIXING HGT (FT) 2200 1900
TRANSPORT WND (MPH) W 10 NW 12
VENT RATE (MPH-FT) 22000 24700
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 6. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 6 BELOW. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTH WINDS AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 14.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 30.
SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. SOUTH WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 40S. SOUTHWEST WINDS AROUND 15 MPH, BECOMING WEST IN
THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 20.
NORTHWEST WINDS AROUND 10 MPH.
ILZ023-122230-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY CLOUDY CLOUDY MCLEAR
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 80 10
MAX TEMP (24HR TREND) 30 (+2) 15
MIN RH % (24HR TREND) 80 (+10) 68
MIN TEMP (24HR TREND) 9 (-14) -5
MAX RH % (24HR TREND) 90 (-7) 86
20FT WIND AM (MPH) LGT/VAR NW 9
20FT WIND PM (MPH) W 3-5 W 10-12 NW 9 NW 10-11
PEAK WIND GUSTS (MPH) 20 15 17
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 1400 1900
MAX MIXING HGT (FT) 2300 2100
TRANSPORT WND (MPH) W 8 NW 16
VENT RATE (MPH-FT) 18400 33600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 8. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 3 BELOW. WEST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTH WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 13.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 20. WEST WINDS 5 TO 10 MPH.
ILZ039-122230-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY CLOUDY CLOUDY PCLDY
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 100 10
MAX TEMP (24HR TREND) 30 (+3) 16
MIN RH % (24HR TREND) 85 (+9) 73
MIN TEMP (24HR TREND) 11 (-13) -7
MAX RH % (24HR TREND) 94 (-2) 92
20FT WIND AM (MPH) LGT/VAR NW 9
20FT WIND PM (MPH) NW 4-5 W 9-11 NW 9 NW 10-11
PEAK WIND GUSTS (MPH) 19 14 17
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 1200 1900
MAX MIXING HGT (FT) 2000 1900
TRANSPORT WND (MPH) NW 9 NW 14
VENT RATE (MPH-FT) 18000 28500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 5. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 7 BELOW. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTH WINDS AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 14.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH, BECOMING WEST IN
THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
NORTHWEST WINDS AROUND 10 MPH.
ILZ033-122230-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY CLOUDY CLOUDY PCLDY
PRECIP TYPE NONE NONE SNOW NONE
CHANCE PRECIP (%) 10 10 90 10
MAX TEMP (24HR TREND) 31 (+3) 17
MIN RH % (24HR TREND) 81 (+7) 68
MIN TEMP (24HR TREND) 12 (-12) -6
MAX RH % (24HR TREND) 92 (-7) 88
20FT WIND AM (MPH) LGT/VAR NW 8-9
20FT WIND PM (MPH) NW 3-5 W 9-11 NW 8-9 NW 9-10
PEAK WIND GUSTS (MPH) 19 14 17
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 1300 1900
MAX MIXING HGT (FT) 2200 2000
TRANSPORT WND (MPH) NW 6 NW 17
VENT RATE (MPH-FT) 15400 34000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 7. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 5 BELOW. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTH WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 13.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE UPPER 40S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
WEST WINDS 5 TO 10 MPH.
INZ010-122230-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY CLOUDY CLOUDY PCLDY
PRECIP TYPE NONE NONE SNOW SNOW SHOWERS
CHANCE PRECIP (%) 10 10 90 20
MAX TEMP (24HR TREND) 31 (+3) 17
MIN RH % (24HR TREND) 79 (+10) 68
MIN TEMP (24HR TREND) 11 (-12) -4
MAX RH % (24HR TREND) 89 (-10) 87
20FT WIND AM (MPH) LGT/VAR NW 9
20FT WIND PM (MPH) LGT/VAR W 9-12 NW 9 NW 10
PEAK WIND GUSTS (MPH) 19 15 17
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 1300 1900
MAX MIXING HGT (FT) 2300 2200
TRANSPORT WND (MPH) W 5 NW 18
VENT RATE (MPH-FT) 13800 39600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 9. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 3 BELOW. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS AROUND 20. SOUTHWEST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 13.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE UPPER 40S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
WEST WINDS 5 TO 10 MPH.
INZ011-122230-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
347 AM CST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY CLOUDY PCLDY
PRECIP TYPE NONE NONE SNOW SNOW SHOWERS
CHANCE PRECIP (%) 10 10 80 20
MAX TEMP (24HR TREND) 31 (+3) 17
MIN RH % (24HR TREND) 77 (+10) 68
MIN TEMP (24HR TREND) 12 (-11) -3
MAX RH % (24HR TREND) 89 (-6) 85
20FT WIND AM (MPH) LGT/VAR NW 9
20FT WIND PM (MPH) LGT/VAR W 9-12 NW 9 NW 10-11
PEAK WIND GUSTS (MPH) 19 15 18
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 1300 1900
MAX MIXING HGT (FT) 2300 2200
TRANSPORT WND (MPH) W 4 NW 17
VENT RATE (MPH-FT) 11500 37400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 10. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2 BELOW. WEST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 20. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 13.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
IN THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
WEST WINDS 5 TO 10 MPH.
INZ019-122230-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
447 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY CLOUDY CLOUDY PCLDY
PRECIP TYPE NONE NONE SNOW SNOW SHOWERS
CHANCE PRECIP (%) 10 10 90 20
MAX TEMP (24HR TREND) 31 (+3) 18
MIN RH % (24HR TREND) 81 (+7) 71
MIN TEMP (24HR TREND) 13 (-11) -4
MAX RH % (24HR TREND) 90 (-10) 89
20FT WIND AM (MPH) LGT/VAR NW 8-9
20FT WIND PM (MPH) LGT/VAR W 8-11 NW 8-9 NW 10
PEAK WIND GUSTS (MPH) 18 14 17
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 1200 1700
MAX MIXING HGT (FT) 2200 2000
TRANSPORT WND (MPH) NW 6 NW 17
VENT RATE (MPH-FT) 15400 34000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS AROUND 7. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 4 BELOW. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS AROUND 19. SOUTHWEST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 14.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 30S.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 40S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE UPPER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH, BECOMING WEST IN
THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 20S.
WEST WINDS 5 TO 10 MPH.
KLUBER
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