775
FNUS53 KLOT 131108
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
508 AM CST SAT DEC 13 2025
DISCUSSION
VERY COLD CONDITIONS WILL PERSIST THROUGH THE WEEKEND WITH DAYTIME
HIGHS IN THE SINGLE DIGITS TO LOW TEENS ABOVE ZERO AND NIGHTTIME
LOWS IN THE SINGLE DIGITS BELOW ZERO. DRY AND FLUFFY SNOW WILL
ACCUMULATE PRIMARILY SOUTH OF INTERSTATE 80 MID MORNING THROUGH
LATE AFTERNOON. SEVERAL INCHES OF ACCUMULATION CAN BE EXPECTED
SOUTH OF THE KANKAKEE RIVER VALLEY.
A TREND TOWARD MUCH MORE MILD CONDITIONS AND ABOVE NORMAL
TEMPERATURES IS EXPECTED MID TO LATE WEEK, WHICH SHOULD REMOVE
MUCH OF THE EXISTING SNOW PACK ACROSS NORTHERN ILLINOIS AND
NORTHWEST INDIANA.
ILZ014-132215-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 10 (-20) 12
MIN RH % (24HR TREND) 60 (-6) 63
MIN TEMP (24HR TREND) -3 (-10) 1
MAX RH % (24HR TREND) 72 (-9) 82
20FT WIND AM (MPH) NW 11-12 NW 9-12
20FT WIND PM (MPH) NW 11-12 NW 10-15 W 9-12 W 5-9
PEAK WIND GUSTS (MPH) 24 26 24 21
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2000 1500
MAX MIXING HGT (FT) 2100 1600
TRANSPORT WND (MPH) NW 17 NW 13
VENT RATE (MPH-FT) 35700 22400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S.
SOUTHWEST 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 LOWER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
IN THE UPPER 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.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 18. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE MID 30S. WEST WINDS AROUND 5 MPH, BECOMING
SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ006-132215-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 7 (-22) 10
MIN RH % (24HR TREND) 63 (-1) 70
MIN TEMP (24HR TREND) -6 (-8) 0
MAX RH % (24HR TREND) 74 (-10) 86
20FT WIND AM (MPH) NW 10-15 NW 9-12
20FT WIND PM (MPH) NW 10-15 NW 10-15 W 9-12 W 5-10
PEAK WIND GUSTS (MPH) 25 26 25 23
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1700 1100
MAX MIXING HGT (FT) 2000 1100
TRANSPORT WND (MPH) NW 19 NW 18
VENT RATE (MPH-FT) 40000 19800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. WEST WINDS AROUND
5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S.
SOUTHWEST WINDS AROUND 5 MPH, INCREASING TO AROUND 15 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
5 TO 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 LOWER 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 14.
WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE MID 30S. WEST WINDS AROUND 5 MPH, BECOMING
SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
INZ001-132215-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY PCLDY MCLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 80 10
MAX TEMP (24HR TREND) 13 (-18) 12
MIN RH % (24HR TREND) 62 (-6) 62
MIN TEMP (24HR TREND) -1 (-12) 0
MAX RH % (24HR TREND) 78 (-12) 87
20FT WIND AM (MPH) NW 11 NW 8-12
20FT WIND PM (MPH) NW 11 NW 10-15 W 8-12 LGT/VAR
PEAK WIND GUSTS (MPH) 24 27 25
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2000 1600
MAX MIXING HGT (FT) 2200 1700
TRANSPORT WND (MPH) NW 16 W 13
VENT RATE (MPH-FT) 35200 23800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. 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 LOWER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
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 MID 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 19. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE MID 30S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS
AROUND 10 MPH.
INZ002-132215-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 80 40 20
MAX TEMP (24HR TREND) 14 (-17) 14
MIN RH % (24HR TREND) 63 (0) 64
MIN TEMP (24HR TREND) 0 (-13) 1
MAX RH % (24HR TREND) 88 (-3) 86
20FT WIND AM (MPH) NW 12 NW 10-15
20FT WIND PM (MPH) NW 12 NW 10-15 W 10-15 W 5-7
PEAK WIND GUSTS (MPH) 27 28 27
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2400 2100
MAX MIXING HGT (FT) 2600 2400
TRANSPORT WND (MPH) NW 18 NW 23
VENT RATE (MPH-FT) 46800 55200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. 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 LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
IN THE UPPER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 19. WEST
WINDS AROUND 10 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE MID 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS
AROUND 10 MPH.
ILZ013-132215-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 40
MAX TEMP (24HR TREND) 8 (-22) 9
MIN RH % (24HR TREND) 63 (-4) 66
MIN TEMP (24HR TREND) -4 (-9) 0
MAX RH % (24HR TREND) 73 (-10) 84
20FT WIND AM (MPH) NW 11 NW 9-12
20FT WIND PM (MPH) NW 11 NW 10-15 W 9-12 SW 5-9
PEAK WIND GUSTS (MPH) 21 23 20 21
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 1400
MAX MIXING HGT (FT) 2100 1500
TRANSPORT WND (MPH) NW 17 NW 13
VENT RATE (MPH-FT) 35700 21000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH, INCREASING TO SOUTHWEST AROUND 15 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
IN THE UPPER 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE LOWER 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 17. WEST
WINDS AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE MID 30S. WEST WINDS AROUND 5 MPH, BECOMING
SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ012-132215-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 6 (-22) 7
MIN RH % (24HR TREND) 65 (-2) 70
MIN TEMP (24HR TREND) -6 (-9) -1
MAX RH % (24HR TREND) 74 (-15) 87
20FT WIND AM (MPH) NW 11 NW 8-12
20FT WIND PM (MPH) NW 11 NW 10-15 W 8-12 SW 5-10
PEAK WIND GUSTS (MPH) 21 23 20 23
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1200
MAX MIXING HGT (FT) 2100 1200
TRANSPORT WND (MPH) NW 18 NW 13
VENT RATE (MPH-FT) 37800 16800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH, INCREASING TO AROUND 15 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS AROUND 40. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
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 LOWER 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 14.
WEST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ005-132215-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 5 (-21) 7
MIN RH % (24HR TREND) 66 (-3) 72
MIN TEMP (24HR TREND) -8 (-9) -1
MAX RH % (24HR TREND) 76 (-11) 89
20FT WIND AM (MPH) NW 11-12 NW 8-12
20FT WIND PM (MPH) NW 11-12 NW 10-15 W 8-12 LGT/VAR
PEAK WIND GUSTS (MPH) 24 24 20 23
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1000
MAX MIXING HGT (FT) 2000 1000
TRANSPORT WND (MPH) NW 19 NW 19
VENT RATE (MPH-FT) 40000 20000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 12. WEST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE MID 30S.
SOUTH WINDS AROUND 5 MPH, INCREASING TO SOUTHWEST AROUND 15 MPH
IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
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 LOWER 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 12.
WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS AROUND 10 MPH.
ILZ004-132215-
BOONE-
INCLUDING THE CITY OF BELVIDERE
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 6 (-18) 6
MIN RH % (24HR TREND) 67 (-6) 72
MIN TEMP (24HR TREND) -8 (-9) -3
MAX RH % (24HR TREND) 77 (-10) 88
20FT WIND AM (MPH) NW 11 NW 7-11
20FT WIND PM (MPH) NW 11 NW 11-12 W 7-11 LGT/VAR
PEAK WIND GUSTS (MPH) 23 23 18 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1000
MAX MIXING HGT (FT) 2100 1000
TRANSPORT WND (MPH) NW 19 NW 18
VENT RATE (MPH-FT) 42000 18000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 11. WEST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH, INCREASING TO AROUND 15 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
IN THE MID 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
AROUND 40. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 11.
WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE LOWER 30S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS AROUND 10 MPH.
ILZ011-132215-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 40
MAX TEMP (24HR TREND) 6 (-20) 6
MIN RH % (24HR TREND) 68 (-5) 71
MIN TEMP (24HR TREND) -7 (-10) -2
MAX RH % (24HR TREND) 76 (-16) 86
20FT WIND AM (MPH) NW 10-11 NW 8-11
20FT WIND PM (MPH) NW 10-11 NW 10-15 W 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 20 21 19 21
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1100
MAX MIXING HGT (FT) 2000 1200
TRANSPORT WND (MPH) NW 18 NW 13
VENT RATE (MPH-FT) 36000 16800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. 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 UPPER 30S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
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 LOWER 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 14.
WEST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ003-132215-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 6 (-20) 6
MIN RH % (24HR TREND) 65 (-4) 68
MIN TEMP (24HR TREND) -8 (-10) -3
MAX RH % (24HR TREND) 76 (-9) 87
20FT WIND AM (MPH) NW 10-11 NW 7-10
20FT WIND PM (MPH) NW 10-11 NW 11-12 W 7-10 SW 0-5
PEAK WIND GUSTS (MPH) 21 23 17 23
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1000
MAX MIXING HGT (FT) 2100 1100
TRANSPORT WND (MPH) NW 19 NW 11
VENT RATE (MPH-FT) 42000 13200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE MID 30S.
SOUTH WINDS AROUND 5 MPH, INCREASING TO AROUND 15 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS AROUND 40. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. NOT AS COOL. LOWS IN THE MID 30S. SOUTH WINDS AROUND
15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 40. WEST WINDS AROUND
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 10.
WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS AROUND 10 MPH.
ILZ008-132215-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 40
MAX TEMP (24HR TREND) 6 (-21) 6
MIN RH % (24HR TREND) 64 (-8) 69
MIN TEMP (24HR TREND) -8 (-11) -4
MAX RH % (24HR TREND) 79 (-10) 90
20FT WIND AM (MPH) NW 10 NW 6-10
20FT WIND PM (MPH) NW 10 NW 11-12 W 6-10 LGT/VAR
PEAK WIND GUSTS (MPH) 20 20 17 23
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1100
MAX MIXING HGT (FT) 2100 1100
TRANSPORT WND (MPH) NW 18 NW 11
VENT RATE (MPH-FT) 37800 13200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. 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 MID 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS AROUND 40. WEST WINDS AROUND 5 MPH, BECOMING SOUTH
IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. NOT AS
COOL. LOWS IN THE MID 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 12.
WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS AROUND 10 MPH.
ILZ010-132215-
LEE-
INCLUDING THE CITY OF DIXON
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 70
MAX TEMP (24HR TREND) 6 (-21) 5
MIN RH % (24HR TREND) 67 (-10) 71
MIN TEMP (24HR TREND) -7 (-12) -3
MAX RH % (24HR TREND) 80 (-12) 89
20FT WIND AM (MPH) NW 10 NW 6-10
20FT WIND PM (MPH) NW 10 NW 11-12 W 6-10 LGT/VAR
PEAK WIND GUSTS (MPH) 20 20 18 21
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1100
MAX MIXING HGT (FT) 2000 1300
TRANSPORT WND (MPH) NW 17 NW 11
VENT RATE (MPH-FT) 34000 15600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 13. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. SOUTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS AROUND 40. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 14.
WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ019-132215-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR MCLEAR
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 90
MAX TEMP (24HR TREND) 10 (-18) 6
MIN RH % (24HR TREND) 65 (-16) 68
MIN TEMP (24HR TREND) -6 (-14) -3
MAX RH % (24HR TREND) 81 (-9) 86
20FT WIND AM (MPH) NW 9-10 NW 7-10
20FT WIND PM (MPH) NW 9-10 NW 10-11 W 7-10 LGT/VAR
PEAK WIND GUSTS (MPH) 19 20 19 21
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 1200
MAX MIXING HGT (FT) 2000 1400
TRANSPORT WND (MPH) NW 16 NW 12
VENT RATE (MPH-FT) 32000 18200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 14. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. 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 LOWER 40S. SOUTHWEST
WINDS 5 TO 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 MID 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 16.
WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ020-132215-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 70
MAX TEMP (24HR TREND) 8 (-21) 8
MIN RH % (24HR TREND) 65 (-11) 69
MIN TEMP (24HR TREND) -5 (-11) -1
MAX RH % (24HR TREND) 77 (-15) 88
20FT WIND AM (MPH) NW 10 NW 8-11
20FT WIND PM (MPH) NW 10 NW 11-12 W 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 20 20 19 19
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 1300
MAX MIXING HGT (FT) 2100 1400
TRANSPORT WND (MPH) NW 17 NW 12
VENT RATE (MPH-FT) 35700 18200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. 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 LOWER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
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 MID 40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 16.
WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE MID 30S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ021-132215-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 90 10
MAX TEMP (24HR TREND) 10 (-19) 8
MIN RH % (24HR TREND) 64 (-20) 68
MIN TEMP (24HR TREND) -4 (-13) -2
MAX RH % (24HR TREND) 79 (-14) 93
20FT WIND AM (MPH) NW 10 NW 7-11
20FT WIND PM (MPH) NW 10 NW 11-12 W 7-11 LGT/VAR
PEAK WIND GUSTS (MPH) 19 20 19 19
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 1300
MAX MIXING HGT (FT) 2100 1500
TRANSPORT WND (MPH) NW 16 NW 12
VENT RATE (MPH-FT) 33600 19500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 30S.
SOUTHWEST 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 LOWER 40S. SOUTHWEST
WINDS 5 TO 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 MID 40S. SOUTHWEST WINDS AROUND 15 MPH, BECOMING WEST IN
THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 17. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ022-132215-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 80 10
MAX TEMP (24HR TREND) 11 (-19) 9
MIN RH % (24HR TREND) 63 (-12) 66
MIN TEMP (24HR TREND) -3 (-11) 0
MAX RH % (24HR TREND) 77 (-14) 91
20FT WIND AM (MPH) NW 11 NW 8-12
20FT WIND PM (MPH) NW 11 NW 10-15 W 8-12 LGT/VAR
PEAK WIND GUSTS (MPH) 20 21 19 20
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 1400
MAX MIXING HGT (FT) 2100 1500
TRANSPORT WND (MPH) NW 16 NW 13
VENT RATE (MPH-FT) 33600 21000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. 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 LOWER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
IN THE UPPER 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.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 17. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE MID 30S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ032-132215-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR MCLEAR
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 100 10
MAX TEMP (24HR TREND) 12 (-17) 7
MIN RH % (24HR TREND) 67 (-17) 72
MIN TEMP (24HR TREND) -5 (-15) -5
MAX RH % (24HR TREND) 84 (-6) 94
20FT WIND AM (MPH) NW 9 NW 7-11
20FT WIND PM (MPH) NW 9 NW 10-12 W 7-11 LGT/VAR
PEAK WIND GUSTS (MPH) 19 21 19 21
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1200
MAX MIXING HGT (FT) 1900 1400
TRANSPORT WND (MPH) NW 16 NW 12
VENT RATE (MPH-FT) 30400 18200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. 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 LOWER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE UPPER 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. MUCH COLDER. LOWS AROUND 16.
WEST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ023-132215-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 100 20
MAX TEMP (24HR TREND) 12 (-17) 9
MIN RH % (24HR TREND) 63 (-17) 67
MIN TEMP (24HR TREND) -3 (-13) -2
MAX RH % (24HR TREND) 79 (-15) 92
20FT WIND AM (MPH) NW 11 NW 8-11
20FT WIND PM (MPH) NW 11 NW 10-15 W 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 20 21 19
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1400
MAX MIXING HGT (FT) 2000 1500
TRANSPORT WND (MPH) NW 17 NW 13
VENT RATE (MPH-FT) 34000 21000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. 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 UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS 5 TO 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, BECOMING WEST IN
THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 17. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE MID 30S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ039-132215-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR MCLEAR
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 100 20
MAX TEMP (24HR TREND) 14 (-15) 6
MIN RH % (24HR TREND) 69 (-17) 71
MIN TEMP (24HR TREND) -5 (-17) -6
MAX RH % (24HR TREND) 87 (-6) 92
20FT WIND AM (MPH) NW 9-10 NW 8-11
20FT WIND PM (MPH) NW 9-10 NW 10-12 NW 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 19 21 19
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1700 1300
MAX MIXING HGT (FT) 1900 1400
TRANSPORT WND (MPH) NW 17 NW 14
VENT RATE (MPH-FT) 32300 21000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. 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 UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTHWEST
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 16. WEST
WINDS AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
ILZ033-132215-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY PCLDY CLEAR MCLEAR
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 100 20
MAX TEMP (24HR TREND) 14 (-15) 7
MIN RH % (24HR TREND) 66 (-16) 67
MIN TEMP (24HR TREND) -4 (-16) -6
MAX RH % (24HR TREND) 85 (-13) 90
20FT WIND AM (MPH) NW 10 NW 7-11
20FT WIND PM (MPH) NW 10 NW 10-15 NW 7-11 LGT/VAR
PEAK WIND GUSTS (MPH) 19 21 19
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1400
MAX MIXING HGT (FT) 2000 1500
TRANSPORT WND (MPH) NW 17 NW 16
VENT RATE (MPH-FT) 34000 24000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. 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 UPPER
20S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 5 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, BECOMING WEST IN
THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 17. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
INZ010-132215-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR MCLEAR
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 100 30
MAX TEMP (24HR TREND) 15 (-15) 9
MIN RH % (24HR TREND) 64 (-11) 66
MIN TEMP (24HR TREND) -3 (-16) -3
MAX RH % (24HR TREND) 82 (-17) 88
20FT WIND AM (MPH) NW 10-11 NW 8-11
20FT WIND PM (MPH) NW 10-11 NW 10-15 W 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 20 21 19
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1300
MAX MIXING HGT (FT) 2000 1500
TRANSPORT WND (MPH) NW 17 NW 14
VENT RATE (MPH-FT) 34000 22500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 14. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY 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. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 5 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, BECOMING WEST IN
THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 17. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE MID 30S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
INZ011-132215-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
508 AM CST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY MCLEAR CLEAR PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 100 30
MAX TEMP (24HR TREND) 16 (-14) 10
MIN RH % (24HR TREND) 65 (-6) 65
MIN TEMP (24HR TREND) -2 (-16) -2
MAX RH % (24HR TREND) 82 (-14) 89
20FT WIND AM (MPH) NW 10-11 NW 8-12
20FT WIND PM (MPH) NW 10-11 NW 10-15 W 8-12 LGT/VAR
PEAK WIND GUSTS (MPH) 20 23 21
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 1300
MAX MIXING HGT (FT) 2000 1700
TRANSPORT WND (MPH) NW 14 NW 14
VENT RATE (MPH-FT) 30000 25500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 14. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY 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. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS 5 TO 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 WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 18. WEST
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE MID 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
INZ019-132215-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
608 AM EST SAT DEC 13 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER CLOUDY PCLDY CLEAR MCLEAR
PRECIP TYPE SNOW SNOW NONE NONE
CHANCE PRECIP (%) 100 40
MAX TEMP (24HR TREND) 16 (-14) 7
MIN RH % (24HR TREND) 68 (-14) 69
MIN TEMP (24HR TREND) -4 (-18) -4
MAX RH % (24HR TREND) 86 (-11) 87
20FT WIND AM (MPH) NW 10-11 NW 8-11
20FT WIND PM (MPH) NW 10-11 NW 11-12 NW 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 20 21 19
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1600 1300
MAX MIXING HGT (FT) 2000 1500
TRANSPORT WND (MPH) NW 18 NW 16
VENT RATE (MPH-FT) 36000 24000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. 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. HIGHS AROUND 40. SOUTHWEST WINDS 5 TO
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 WITH A CHANCE OF RAIN. HIGHS IN THE
UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 18. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE MID 30S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTH WINDS AROUND 10 MPH.
KLUBER
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page