454
FNUS53 KLOT 311009
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
409 AM CST WED DEC 31 2025
DISCUSSION
ANOTHER SYSTEM PASSES OVER THE AREA WITH THE CHANCE
FOR ADDITIONAL SNOW ACCUMULATIONS AROUND AN INCH IN THE AFTERNOON
AND EARLY EVENING. AS TEMPERATURES WARM THIS AFTERNOON TO AROUND
AND JUST OVER THE FREEZING MARK, THERE IS A CHANCE FOR SOME LIGHT
RAIN TO MIX IN WITH THE SNOW. WEST WIND GUSTS UP TO 30 MPH ARE
EXPECTED THIS AFTERNOON BEFORE DIMINISHING TONIGHT AND BECOMING
MORE NORTH-NORTHWEST.
ANOTHER SHOT OF COLDER, DRIER AIR IS EXPECTED ON NEW YEARS DAY,
BEFORE MODERATING TEMPERATURES THROUGH THE WEEKEND.
ILZ014-011200-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW SNOW NONE NONE
CHANCE PRECIP (%) 80 30 10
MAX TEMP (24HR TREND) 34 (+11) 22
MIN RH % (24HR TREND) 84 (+28) 53
MIN TEMP (24HR TREND) 8 (-14) 14
MAX RH % (24HR TREND) 88 (-6) 80
20FT WIND AM (MPH) W 10-15 NW 5
20FT WIND PM (MPH) W 10-15 NW 7-12 W 5 LGT/VAR
PEAK WIND GUSTS (MPH) 27 26
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2300 1400
MAX MIXING HGT (FT) 3100 2000
TRANSPORT WND (MPH) NW 20 W 8
VENT RATE (MPH-FT) 65100 16000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 16. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 17. WEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH.
ILZ006-011200-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 80 10 10
MAX TEMP (24HR TREND) 33 (+12) 20
MIN RH % (24HR TREND) 83 (+26) 52
MIN TEMP (24HR TREND) 7 (-13) 13
MAX RH % (24HR TREND) 82 (-11) 82
20FT WIND AM (MPH) W 10-15 W 6
20FT WIND PM (MPH) NW 10-15 NW 6-11 W 6 LGT/VAR
PEAK WIND GUSTS (MPH) 27 26
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2200 1300
MAX MIXING HGT (FT) 3100 1800
TRANSPORT WND (MPH) NW 21 W 10
VENT RATE (MPH-FT) 68200 18000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 14. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 20S. NORTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 15. WEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS
AROUND 5 MPH.
INZ001-011200-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW SNOW NONE NONE
CHANCE PRECIP (%) 80 60 10
MAX TEMP (24HR TREND) 34 (+11) 22
MIN RH % (24HR TREND) 85 (+24) 56
MIN TEMP (24HR TREND) 9 (-14) 13
MAX RH % (24HR TREND) 92 (-2) 82
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 7-12 W 4-5 LGT/VAR
PEAK WIND GUSTS (MPH) 27 26
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2300 1400
MAX MIXING HGT (FT) 2700 2100
TRANSPORT WND (MPH) W 19 W 8
VENT RATE (MPH-FT) 54000 16800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 16. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS, BECOMING WEST AROUND
5 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH.
INZ002-011200-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY PCLDY
PRECIP TYPE SNOW SNOW NONE NONE
CHANCE PRECIP (%) 80 70 10
MAX TEMP (24HR TREND) 33 (+10) 22
MIN RH % (24HR TREND) 84 (+25) 55
MIN TEMP (24HR TREND) 11 (-11) 13
MAX RH % (24HR TREND) 90 (-3) 84
20FT WIND AM (MPH) W 10-15 W 5-6
20FT WIND PM (MPH) W 10-15 NW 10-15 W 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 32 28
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2400 1800
MAX MIXING HGT (FT) 2600 2200
TRANSPORT WND (MPH) W 21 W 9
VENT RATE (MPH-FT) 57200 19800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 17. WEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH.
ILZ013-011200-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW SNOW NONE NONE
CHANCE PRECIP (%) 80 30 10
MAX TEMP (24HR TREND) 34 (+12) 21
MIN RH % (24HR TREND) 85 (+24) 55
MIN TEMP (24HR TREND) 8 (-14) 14
MAX RH % (24HR TREND) 88 (-8) 83
20FT WIND AM (MPH) W 10-15 NW 5
20FT WIND PM (MPH) NW 10-15 NW 7-12 W 5 LGT/VAR
PEAK WIND GUSTS (MPH) 27 26
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2000 1400
MAX MIXING HGT (FT) 3000 2000
TRANSPORT WND (MPH) NW 20 W 8
VENT RATE (MPH-FT) 63000 16000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 15. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 20S. NORTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 16. WEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 5 MPH.
ILZ012-011200-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 80 20 10
MAX TEMP (24HR TREND) 34 (+12) 20
MIN RH % (24HR TREND) 87 (+21) 55
MIN TEMP (24HR TREND) 7 (-14) 12
MAX RH % (24HR TREND) 89 (-9) 85
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 NW 10-15 W 4-5 LGT/VAR
PEAK WIND GUSTS (MPH) 28 26
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2000 1300
MAX MIXING HGT (FT) 3000 2000
TRANSPORT WND (MPH) NW 23 W 8
VENT RATE (MPH-FT) 69000 16000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 20S. NORTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 14. WEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS AROUND 5 MPH.
ILZ005-011200-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 80 10 10
MAX TEMP (24HR TREND) 33 (+12) 19
MIN RH % (24HR TREND) 86 (+23) 55
MIN TEMP (24HR TREND) 5 (-15) 11
MAX RH % (24HR TREND) 85 (-11) 86
20FT WIND AM (MPH) W 10-15 NW 5
20FT WIND PM (MPH) NW 10-15 NW 6-11 W 5 LGT/VAR
PEAK WIND GUSTS (MPH) 27 25
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2100 1300
MAX MIXING HGT (FT) 3200 1700
TRANSPORT WND (MPH) NW 21 W 9
VENT RATE (MPH-FT) 70400 15300
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 12. NORTHWEST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 13. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 30. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 5 MPH,
BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS
AROUND 5 MPH.
ILZ004-011200-
BOONE-
INCLUDING THE CITY OF BELVIDERE
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 80 10 10
MAX TEMP (24HR TREND) 33 (+12) 19
MIN RH % (24HR TREND) 88 (+21) 56
MIN TEMP (24HR TREND) 4 (-17) 10
MAX RH % (24HR TREND) 85 (-11) 87
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 NW 0-5 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 26 25
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2200 1300
MAX MIXING HGT (FT) 3000 1700
TRANSPORT WND (MPH) NW 21 NW 12
VENT RATE (MPH-FT) 66000 22100
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 11. NORTHWEST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 12. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND
5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS
AROUND 5 MPH.
ILZ011-011200-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 80 20
MAX TEMP (24HR TREND) 34 (+11) 20
MIN RH % (24HR TREND) 90 (+20) 54
MIN TEMP (24HR TREND) 6 (-16) 11
MAX RH % (24HR TREND) 89 (-8) 86
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 28 26
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2300 1300
MAX MIXING HGT (FT) 2700 2000
TRANSPORT WND (MPH) W 20 W 6
VENT RATE (MPH-FT) 56700 14000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 12. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 13. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 30. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 5 MPH,
BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS AROUND 5 MPH.
ILZ003-011200-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 80 10
MAX TEMP (24HR TREND) 34 (+11) 19
MIN RH % (24HR TREND) 87 (+19) 51
MIN TEMP (24HR TREND) 5 (-18) 10
MAX RH % (24HR TREND) 82 (-13) 86
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 NW 1-6 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 26 24
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2500 1300
MAX MIXING HGT (FT) 3100 1800
TRANSPORT WND (MPH) NW 20 W 6
VENT RATE (MPH-FT) 65100 12600
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 11. NORTHWEST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 12. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 30. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS AROUND 5 MPH,
BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS
AROUND 5 MPH.
ILZ008-011200-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW NONE NONE NONE
CHANCE PRECIP (%) 70 10
MAX TEMP (24HR TREND) 34 (+10) 21
MIN RH % (24HR TREND) 89 (+18) 51
MIN TEMP (24HR TREND) 6 (-18) 11
MAX RH % (24HR TREND) 85 (-8) 87
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 NW 1-6 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 27 24
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2400 1300
MAX MIXING HGT (FT) 2800 1900
TRANSPORT WND (MPH) W 19 W 5
VENT RATE (MPH-FT) 56000 11400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 12. NORTHWEST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 13. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH,
BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS AROUND 5 MPH.
ILZ010-011200-
LEE-
INCLUDING THE CITY OF DIXON
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW/RAIN NONE NONE NONE
CHANCE PRECIP (%) 70 10
MAX TEMP (24HR TREND) 35 (+10) 22
MIN RH % (24HR TREND) 90 (+15) 51
MIN TEMP (24HR TREND) 7 (-18) 13
MAX RH % (24HR TREND) 88 (-7) 84
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 N 1-6 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 27 24
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2200 1400
MAX MIXING HGT (FT) 2600 1900
TRANSPORT WND (MPH) W 20 W 4
VENT RATE (MPH-FT) 54600 9500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 14. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH,
BECOMING NORTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS AROUND 5 MPH.
ILZ019-011200-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY MCLEAR
PRECIP TYPE SNOW/RAIN NONE NONE NONE
CHANCE PRECIP (%) 70 20
MAX TEMP (24HR TREND) 36 (+9) 23
MIN RH % (24HR TREND) 87 (+18) 50
MIN TEMP (24HR TREND) 9 (-18) 14
MAX RH % (24HR TREND) 90 (-2) 80
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 27 25
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2400 1500
MAX MIXING HGT (FT) 2500 2100
TRANSPORT WND (MPH) W 23 W 4
VENT RATE (MPH-FT) 57500 10500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 15. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 40. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS AROUND 5 MPH.
ILZ020-011200-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 80 30
MAX TEMP (24HR TREND) 35 (+12) 22
MIN RH % (24HR TREND) 90 (+19) 55
MIN TEMP (24HR TREND) 8 (-15) 13
MAX RH % (24HR TREND) 91 (-9) 82
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 26 26
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2200 1400
MAX MIXING HGT (FT) 2500 2100
TRANSPORT WND (MPH) NW 20 W 8
VENT RATE (MPH-FT) 52500 16800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 14. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 15. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS AROUND 5 MPH.
ILZ021-011200-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY MCLEAR
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 70 30
MAX TEMP (24HR TREND) 36 (+10) 23
MIN RH % (24HR TREND) 89 (+19) 54
MIN TEMP (24HR TREND) 10 (-16) 14
MAX RH % (24HR TREND) 93 (-1) 84
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 1-6 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 26 25
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2400 1500
MAX MIXING HGT (FT) 2400 2100
TRANSPORT WND (MPH) W 21 W 4
VENT RATE (MPH-FT) 52800 10500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 15. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 40. SOUTH WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS AROUND 5 MPH.
ILZ022-011200-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 80 40 10
MAX TEMP (24HR TREND) 34 (+10) 22
MIN RH % (24HR TREND) 88 (+21) 56
MIN TEMP (24HR TREND) 8 (-15) 13
MAX RH % (24HR TREND) 94 (-5) 85
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 7-12 W 4-5 LGT/VAR
PEAK WIND GUSTS (MPH) 27 26
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2000 1400
MAX MIXING HGT (FT) 2600 2100
TRANSPORT WND (MPH) W 21 W 6
VENT RATE (MPH-FT) 57200 14700
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 15. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 15. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH.
ILZ032-011200-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY MCLEAR MCLEAR
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 50 30
MAX TEMP (24HR TREND) 37 (+10) 25
MIN RH % (24HR TREND) 83 (+20) 53
MIN TEMP (24HR TREND) 9 (-18) 13
MAX RH % (24HR TREND) 94 (+2) 85
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 26 24
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2100 1500
MAX MIXING HGT (FT) 2400 2000
TRANSPORT WND (MPH) W 24 W 3
VENT RATE (MPH-FT) 57600 6000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 30. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 15. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. NORTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS AROUND 40. WEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS AROUND 5 MPH.
ILZ023-011200-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY MCLEAR
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 70 50
MAX TEMP (24HR TREND) 35 (+11) 22
MIN RH % (24HR TREND) 87 (+23) 56
MIN TEMP (24HR TREND) 9 (-15) 13
MAX RH % (24HR TREND) 94 (-2) 85
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 6-11 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 26 24
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2000 1400
MAX MIXING HGT (FT) 2400 2100
TRANSPORT WND (MPH) W 20 W 5
VENT RATE (MPH-FT) 50400 12600
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 14. LIGHT WINDS.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 15. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 5 MPH.
ILZ039-011200-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY MCLEAR MCLEAR
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 30 30
MAX TEMP (24HR TREND) 37 (+10) 25
MIN RH % (24HR TREND) 75 (+16) 51
MIN TEMP (24HR TREND) 9 (-17) 13
MAX RH % (24HR TREND) 93 (+3) 84
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 8-12 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 25 23
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 1500
MAX MIXING HGT (FT) 2300 2200
TRANSPORT WND (MPH) W 23 W 3
VENT RATE (MPH-FT) 52900 6600
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 30. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 15. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS AROUND 30. NORTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 16. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS AROUND 5 MPH.
ILZ033-011200-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY MCLEAR MCLEAR
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 60 40
MAX TEMP (24HR TREND) 36 (+11) 24
MIN RH % (24HR TREND) 76 (+16) 51
MIN TEMP (24HR TREND) 9 (-16) 13
MAX RH % (24HR TREND) 94 (+3) 83
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 6-11 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 25 23
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1800 1500
MAX MIXING HGT (FT) 2400 2200
TRANSPORT WND (MPH) W 21 NW 4
VENT RATE (MPH-FT) 52800 11000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 15. LIGHT WINDS.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS AROUND 40. WEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 5 MPH.
INZ010-011200-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY MCLEAR
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 70 60
MAX TEMP (24HR TREND) 35 (+10) 22
MIN RH % (24HR TREND) 83 (+18) 56
MIN TEMP (24HR TREND) 9 (-16) 13
MAX RH % (24HR TREND) 94 (-5) 82
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 6-11 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 26 23
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2200 1400
MAX MIXING HGT (FT) 2600 2100
TRANSPORT WND (MPH) W 20 W 6
VENT RATE (MPH-FT) 54600 14700
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 15. LIGHT WINDS.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 5 MPH.
INZ011-011200-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
409 AM CST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 80 60
MAX TEMP (24HR TREND) 34 (+9) 22
MIN RH % (24HR TREND) 84 (+22) 57
MIN TEMP (24HR TREND) 10 (-14) 13
MAX RH % (24HR TREND) 95 (-4) 83
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 7-12 W 3-5 LGT/VAR
PEAK WIND GUSTS (MPH) 26 24
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2300 1400
MAX MIXING HGT (FT) 2600 2100
TRANSPORT WND (MPH) W 21 W 8
VENT RATE (MPH-FT) 57200 16800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 15. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH.
INZ019-011200-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
509 AM EST WED DEC 31 2025
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY MCLEAR MCLEAR
PRECIP TYPE SNOW/RAIN SNOW NONE NONE
CHANCE PRECIP (%) 60 50
MAX TEMP (24HR TREND) 35 (+10) 23
MIN RH % (24HR TREND) 79 (+18) 54
MIN TEMP (24HR TREND) 10 (-14) 14
MAX RH % (24HR TREND) 94 (+1) 83
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 10-15 NW 6-11 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 25 23
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2100 1400
MAX MIXING HGT (FT) 2700 2200
TRANSPORT WND (MPH) W 23 W 5
VENT RATE (MPH-FT) 62100 13200
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTH WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
DK
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page