585
FNUS53 KLOT 041001
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
401 AM CST SUN JAN 4 2026
DISCUSSION
TODAY WILL SEE HIGH TEMPERATURES IN THE LOWER AND MIDDLE 30S
BENEATH MOSTLY CLOUDY SKIES. LIGHT WINDS THIS MORNING WILL GO
SOUTHERLY BETWEEN 10 AND 15 MPH FOR THE AFTERNOON. THERE IS A
SLIGHT CHANCE FOR A BRIEF PERIOD OF FREEZING RAIN, SLEET, AND SNOW
NORTH OF THE I-90 CORRIDOR THIS EVENING. LOCALIZED SLICK SPOTS
WILL BE POSSIBLE WHERE PRECIPITATION FALLS.
A TREND TOWARD MILDER CONDITIONS WILL KICK OFF TOMORROW WITH HIGHS
IN THE 40S. 40S AND 50S ARE THEN EXPECTED ON TUESDAY AND
WEDNESDAY WITH 50S POSSIBLE AREA-WIDE COME THURSDAY. RAIN CHANCES
RETURN TO THE AREA ON TUESDAY WITH BETTER, MORE WIDESPREAD CHANCES
FORECAST FOR THURSDAY.
ILZ014-042230-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE FRZ RAIN NONE NONE
CHANCE PRECIP (%) 10 10 10
MAX TEMP (24HR TREND) 32 (+5) 41
MIN RH % (24HR TREND) 64 (+24) 79
MIN TEMP (24HR TREND) 27 (+7) 34
MAX RH % (24HR TREND) 91 (+18) 100
20FT WIND AM (MPH) LGT/VAR SW 5-7
20FT WIND PM (MPH) S 2-7 S 9 SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH) 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1000 1100
MAX MIXING HGT (FT) 1900 1200
TRANSPORT WND (MPH) S 10 SW 9
VENT RATE (MPH-FT) 19000 10800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS AROUND 50. SOUTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS AROUND
30. NORTH WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 10 MPH.
ILZ006-042230-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE FRZ DRZL FRZ RAIN NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 31 (+7) 41
MIN RH % (24HR TREND) 64 (+19) 80
MIN TEMP (24HR TREND) 26 (+9) 32
MAX RH % (24HR TREND) 95 (+20) 100
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) S 2-7 S 9 SW 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 800 900
MAX MIXING HGT (FT) 1700 1100
TRANSPORT WND (MPH) S 10 SW 4
VENT RATE (MPH-FT) 17000 5500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE
LOWER 40S. SOUTH WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. NORTH WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS AROUND 19. WEST
WINDS AROUND 10 MPH.
INZ001-042230-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 32 (+4) 41
MIN RH % (24HR TREND) 66 (+14) 81
MIN TEMP (24HR TREND) 28 (+7) 34
MAX RH % (24HR TREND) 86 (+12) 99
20FT WIND AM (MPH) LGT/VAR SW 5-8
20FT WIND PM (MPH) S 2-6 S 9-10 SW 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 20 15
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1100 1100
MAX MIXING HGT (FT) 1900 1300
TRANSPORT WND (MPH) S 8 SW 12
VENT RATE (MPH-FT) 15200 16900
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS AROUND
30. NORTH WINDS AROUND 10 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 10 MPH.
INZ002-042230-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 33 (+4) 41
MIN RH % (24HR TREND) 66 (+6) 79
MIN TEMP (24HR TREND) 27 (+5) 33
MAX RH % (24HR TREND) 87 (+9) 99
20FT WIND AM (MPH) LGT/VAR SW 5-8
20FT WIND PM (MPH) S 3-6 S 9-10 SW 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 21 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1100 1100
MAX MIXING HGT (FT) 2000 1300
TRANSPORT WND (MPH) S 6 SW 13
VENT RATE (MPH-FT) 14000 18200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS AROUND
30. NORTH WINDS AROUND 10 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 10 MPH.
ILZ013-042230-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10
MAX TEMP (24HR TREND) 32 (+6) 41
MIN RH % (24HR TREND) 67 (+25) 82
MIN TEMP (24HR TREND) 27 (+7) 34
MAX RH % (24HR TREND) 93 (+20) 100
20FT WIND AM (MPH) LGT/VAR SW 5-7
20FT WIND PM (MPH) S 2-7 S 9 SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH) 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 900 900
MAX MIXING HGT (FT) 1700 1100
TRANSPORT WND (MPH) S 9 SW 9
VENT RATE (MPH-FT) 15300 9900
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS AROUND 50. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. WEST WINDS
AROUND 10 MPH.
ILZ012-042230-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE FRZ DRZL NONE NONE
CHANCE PRECIP (%) 10 10 10
MAX TEMP (24HR TREND) 31 (+6) 41
MIN RH % (24HR TREND) 70 (+19) 84
MIN TEMP (24HR TREND) 27 (+7) 33
MAX RH % (24HR TREND) 94 (+22) 100
20FT WIND AM (MPH) LGT/VAR SW 5-7
20FT WIND PM (MPH) S 3-8 S 9-10 SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH) 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1000 900
MAX MIXING HGT (FT) 1700 1100
TRANSPORT WND (MPH) S 10 SW 8
VENT RATE (MPH-FT) 17000 8800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST
IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 19. WEST WINDS
AROUND 10 MPH.
ILZ005-042230-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE FRZ DRZL FRZ RAIN NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 30 (+6) 40
MIN RH % (24HR TREND) 69 (+18) 83
MIN TEMP (24HR TREND) 26 (+9) 31
MAX RH % (24HR TREND) 94 (+21) 100
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) S 2-7 S 9 SW 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 800 800
MAX MIXING HGT (FT) 1600 1100
TRANSPORT WND (MPH) S 13 SW 3
VENT RATE (MPH-FT) 22400 3300
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE
LOWER 40S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. WEST WINDS AROUND
5 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST
IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. WEST WINDS
AROUND 10 MPH.
ILZ004-042230-
BOONE-
INCLUDING THE CITY OF BELVIDERE
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE FRZ DRZL FRZ DRZL NONE NONE
CHANCE PRECIP (%) 20 20 10
MAX TEMP (24HR TREND) 30 (+6) 40
MIN RH % (24HR TREND) 73 (+19) 83
MIN TEMP (24HR TREND) 26 (+8) 31
MAX RH % (24HR TREND) 94 (+20) 100
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) S 2-7 S 8-9 SW 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 900 700
MAX MIXING HGT (FT) 1600 1100
TRANSPORT WND (MPH) S 13 S 3
VENT RATE (MPH-FT) 22400 3300
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. WEST WINDS AROUND
5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST
IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE MID 20S. NORTH WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 30S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. WEST WINDS
AROUND 10 MPH.
ILZ011-042230-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 31 (+4) 42
MIN RH % (24HR TREND) 72 (+16) 81
MIN TEMP (24HR TREND) 27 (+7) 33
MAX RH % (24HR TREND) 94 (+20) 100
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) S 3-8 S 9-11 SW 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 18 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1200 800
MAX MIXING HGT (FT) 1700 1100
TRANSPORT WND (MPH) S 11 W 8
VENT RATE (MPH-FT) 20400 8800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS AROUND 50. SOUTH WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING
NORTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. WEST WINDS
AROUND 10 MPH.
ILZ003-042230-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE FRZ DRZL FRZ DRZL NONE NONE
CHANCE PRECIP (%) 10 10 10
MAX TEMP (24HR TREND) 30 (+4) 41
MIN RH % (24HR TREND) 72 (+20) 79
MIN TEMP (24HR TREND) 26 (+7) 32
MAX RH % (24HR TREND) 94 (+22) 100
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) S 3-8 S 8-9 SW 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 19 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1100 700
MAX MIXING HGT (FT) 1800 1000
TRANSPORT WND (MPH) S 14 W 6
VENT RATE (MPH-FT) 27000 7000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. WEST WINDS AROUND
5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE MID 20S. NORTH WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 30S. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS
AROUND 10 MPH.
ILZ008-042230-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 31 (+3) 42
MIN RH % (24HR TREND) 70 (+20) 78
MIN TEMP (24HR TREND) 28 (+7) 33
MAX RH % (24HR TREND) 93 (+21) 100
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) S 3-8 S 9-11 SW 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 20 23
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1200 800
MAX MIXING HGT (FT) 1800 1100
TRANSPORT WND (MPH) S 14 SW 8
VENT RATE (MPH-FT) 27000 8800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE MID 20S. NORTH WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. WEST WINDS
AROUND 10 MPH.
ILZ010-042230-
LEE-
INCLUDING THE CITY OF DIXON
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 32 (+3) 43
MIN RH % (24HR TREND) 70 (+19) 79
MIN TEMP (24HR TREND) 29 (+7) 34
MAX RH % (24HR TREND) 93 (+20) 100
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) S 3-8 S 9-11 SW 4-7 LGT/VAR
PEAK WIND GUSTS (MPH) 19 23
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 900
MAX MIXING HGT (FT) 1800 1200
TRANSPORT WND (MPH) S 14 SW 8
VENT RATE (MPH-FT) 27000 9600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST
IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE LOWER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE UPPER 20S. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. WEST WINDS
AROUND 10 MPH.
ILZ019-042230-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 34 (+3) 45
MIN RH % (24HR TREND) 65 (+20) 75
MIN TEMP (24HR TREND) 29 (+4) 35
MAX RH % (24HR TREND) 90 (+19) 99
20FT WIND AM (MPH) LGT/VAR SW 5-8
20FT WIND PM (MPH) S 3-7 S 9-10 SW 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 23 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1600 1000
MAX MIXING HGT (FT) 1900 1200
TRANSPORT WND (MPH) S 13 SW 10
VENT RATE (MPH-FT) 26600 12000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 50. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST
IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING WEST
AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. WEST WINDS
AROUND 10 MPH.
ILZ020-042230-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 32 (+3) 43
MIN RH % (24HR TREND) 68 (+15) 82
MIN TEMP (24HR TREND) 28 (+5) 34
MAX RH % (24HR TREND) 92 (+19) 100
20FT WIND AM (MPH) LGT/VAR SW 5-7
20FT WIND PM (MPH) S 2-7 S 8-9 SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH) 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 1000
MAX MIXING HGT (FT) 1900 1200
TRANSPORT WND (MPH) S 9 SW 10
VENT RATE (MPH-FT) 17100 12000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST
IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING
NORTHWEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. WEST WINDS
AROUND 10 MPH.
ILZ021-042230-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 34 (+3) 45
MIN RH % (24HR TREND) 66 (+18) 82
MIN TEMP (24HR TREND) 29 (+5) 35
MAX RH % (24HR TREND) 90 (+19) 100
20FT WIND AM (MPH) LGT/VAR SW 5-8
20FT WIND PM (MPH) S 2-7 S 9-10 SW 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 1100
MAX MIXING HGT (FT) 2000 1300
TRANSPORT WND (MPH) S 11 SW 11
VENT RATE (MPH-FT) 24000 15600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 50. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST
IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 30S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING WEST
AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. WEST WINDS
AROUND 10 MPH.
ILZ022-042230-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 33 (+4) 43
MIN RH % (24HR TREND) 66 (+18) 83
MIN TEMP (24HR TREND) 28 (+6) 34
MAX RH % (24HR TREND) 92 (+19) 100
20FT WIND AM (MPH) LGT/VAR SW 5-8
20FT WIND PM (MPH) S 2-6 S 9 SW 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 19 15
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1200 1100
MAX MIXING HGT (FT) 1900 1300
TRANSPORT WND (MPH) S 9 SW 11
VENT RATE (MPH-FT) 17100 15600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING WEST AFTER
MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. WEST WINDS
AROUND 10 MPH.
ILZ032-042230-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 35 (+3) 46
MIN RH % (24HR TREND) 64 (+28) 77
MIN TEMP (24HR TREND) 30 (+5) 36
MAX RH % (24HR TREND) 86 (+18) 100
20FT WIND AM (MPH) LGT/VAR SW 7-9
20FT WIND PM (MPH) S 2-7 S 10-11 SW 7-9 S 5-6
PEAK WIND GUSTS (MPH) 23 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1500 1100
MAX MIXING HGT (FT) 2000 1300
TRANSPORT WND (MPH) S 9 SW 12
VENT RATE (MPH-FT) 18000 16900
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE MID 50S. SOUTH WINDS AROUND 10 MPH, BECOMING
SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING WEST
AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 19. WEST WINDS
AROUND 10 MPH.
ILZ023-042230-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 33 (+3) 45
MIN RH % (24HR TREND) 65 (+17) 81
MIN TEMP (24HR TREND) 29 (+5) 34
MAX RH % (24HR TREND) 88 (+17) 100
20FT WIND AM (MPH) LGT/VAR SW 5-7
20FT WIND PM (MPH) S 1-6 S 9-10 SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH) 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 1100
MAX MIXING HGT (FT) 1900 1300
TRANSPORT WND (MPH) S 10 SW 12
VENT RATE (MPH-FT) 19000 16900
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING
SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE MID 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING WEST
AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. WEST WINDS
AROUND 10 MPH.
ILZ039-042230-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 36 (+4) 47
MIN RH % (24HR TREND) 57 (+21) 71
MIN TEMP (24HR TREND) 29 (+4) 36
MAX RH % (24HR TREND) 82 (+11) 100
20FT WIND AM (MPH) LGT/VAR SW 7-10
20FT WIND PM (MPH) S 2-7 S 10-11 SW 7-10 S 6-7
PEAK WIND GUSTS (MPH) 21 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1500 1100
MAX MIXING HGT (FT) 2000 1300
TRANSPORT WND (MPH) S 8 SW 14
VENT RATE (MPH-FT) 16000 19500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTH WINDS
AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE MID 50S. SOUTH WINDS AROUND 10 MPH, BECOMING
SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE UPPER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING WEST
AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 30S. WEST
WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 19. WEST WINDS
AROUND 10 MPH.
ILZ033-042230-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 35 (+4) 46
MIN RH % (24HR TREND) 58 (+12) 71
MIN TEMP (24HR TREND) 29 (+5) 35
MAX RH % (24HR TREND) 80 (+10) 100
20FT WIND AM (MPH) LGT/VAR SW 6-8
20FT WIND PM (MPH) S 2-6 S 10 SW 6-8 LGT/VAR
PEAK WIND GUSTS (MPH) 21 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1500 1200
MAX MIXING HGT (FT) 2100 1300
TRANSPORT WND (MPH) S 8 SW 14
VENT RATE (MPH-FT) 16800 19500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE MID 50S. SOUTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE UPPER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING WEST
AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 30S. WEST
WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS AROUND 19. WEST
WINDS AROUND 10 MPH.
INZ010-042230-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 33 (+3) 43
MIN RH % (24HR TREND) 63 (+8) 77
MIN TEMP (24HR TREND) 29 (+6) 34
MAX RH % (24HR TREND) 82 (+11) 100
20FT WIND AM (MPH) LGT/VAR SW 5-8
20FT WIND PM (MPH) S 1-6 S 8-10 SW 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 19 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1200 1100
MAX MIXING HGT (FT) 2000 1400
TRANSPORT WND (MPH) S 6 SW 14
VENT RATE (MPH-FT) 14000 21000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS AROUND 30. NORTH WINDS AROUND 10 MPH, BECOMING WEST AFTER
MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS AROUND 20. WEST
WINDS AROUND 10 MPH.
INZ011-042230-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
401 AM CST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 33 (+4) 42
MIN RH % (24HR TREND) 63 (+2) 79
MIN TEMP (24HR TREND) 28 (+6) 34
MAX RH % (24HR TREND) 83 (+8) 100
20FT WIND AM (MPH) LGT/VAR SW 5-8
20FT WIND PM (MPH) S 2-5 S 8-10 SW 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 20 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1100 1100
MAX MIXING HGT (FT) 2000 1400
TRANSPORT WND (MPH) S 6 SW 16
VENT RATE (MPH-FT) 14000 22400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 30S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS AROUND 30. NORTH WINDS AROUND 10 MPH, BECOMING WEST AFTER
MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 10 MPH.
INZ019-042230-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
501 AM EST SUN JAN 4 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 34 (+4) 44
MIN RH % (24HR TREND) 62 (0) 74
MIN TEMP (24HR TREND) 29 (+6) 35
MAX RH % (24HR TREND) 79 (+2) 99
20FT WIND AM (MPH) LGT/VAR SW 6-9
20FT WIND PM (MPH) S 1-6 S 9-11 SW 6-9 LGT/VAR
PEAK WIND GUSTS (MPH) 20 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 1100
MAX MIXING HGT (FT) 2000 1300
TRANSPORT WND (MPH) S 8 SW 14
VENT RATE (MPH-FT) 16000 19500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 50. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE LOWER 50S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 30S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE UPPER
40S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING.
LOWS AROUND 30. NORTH WINDS AROUND 10 MPH, BECOMING WEST AFTER
MIDNIGHT.
SATURDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 30S. WEST
WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS AROUND 20. WEST
WINDS AROUND 10 MPH.
DOOM
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