853
FNUS53 KLOT 301131
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
531 AM CST FRI JAN 30 2026
DISCUSSION
PERIODS OF LAKE EFFECT SNOW WILL AFFECT NORTHEAST ILLINOIS AND
NORTHWEST INDIANA THROUGH SATURDAY. THE LAKE EFFECT SNOW WILL BE
INITIALLY CONFINED TO THE CHICAGO METRO THROUGH THE DAYTIME
HOURS. A DOMINANT LAKE EFFECT SNOW BAND WILL THEN CROSS NORTHEAST
ILLINOIS EARLY THIS EVENING BEFORE SETTLING OVER NORTHWEST INDIANA
THROUGH THE REMAINDER OF THE NIGHT. THE BAND SHOULD THEN SLIGHTLY
SHIFT WESTWARD WHILE SLOWLY WEAKENING ON SATURDAY, CENTERING ON
OR AROUND THE ILLINOIS AND INDIANA STATE LINE.
UNSEASONABLY COLD CONDITIONS WILL PERSIST THROUGH AT LEAST THE
MIDDLE OF NEXT WEEK, WITH A CHANCE FOR LIGHT SNOW SUNDAY NIGHT
INTO MONDAY AND THE POTENTIAL FOR ACCUMULATING SNOW FOR SOME OR
ALL OF THE AREA LATE TUESDAY INTO WEDNESDAY.
ILZ014-302230-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 90 90 60
MAX TEMP (24HR TREND) 19 (+2) 25
MIN RH % (24HR TREND) 59 (+22) 72
MIN TEMP (24HR TREND) 8 (+3) 5
MAX RH % (24HR TREND) 83 (+12) 91
20FT WIND AM (MPH) NW 7-9 NW 9-11
20FT WIND PM (MPH) NE 7-9 N 9-12 N 9-11 LGT/VAR
PEAK WIND GUSTS (MPH) 19 25 21
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1300 1400
MAX MIXING HGT (FT) 3800 2100
TRANSPORT WND (MPH) NE 14 N 17
VENT RATE (MPH-FT) 57000 35700
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
18. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. SOUTH WINDS AROUND 5 MPH, BECOMING EAST
IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE
LOWER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. NORTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH.
ILZ006-302230-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY PCLDY PCLDY CLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 100 40 20
MAX TEMP (24HR TREND) 18 (+3) 24
MIN RH % (24HR TREND) 61 (+22) 70
MIN TEMP (24HR TREND) 7 (0) 4
MAX RH % (24HR TREND) 82 (+16) 89
20FT WIND AM (MPH) N 9-12 NW 9-12
20FT WIND PM (MPH) NE 9-12 N 11-12 N 9-12 LGT/VAR
PEAK WIND GUSTS (MPH) 21 24 20
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1300 1200
MAX MIXING HGT (FT) 3800 1900
TRANSPORT WND (MPH) NE 20 N 14
VENT RATE (MPH-FT) 79800 28500
VENT RATE CATEGORY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
18. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. NORTH WINDS AROUND 5 MPH, BECOMING EAST
IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH.
INZ001-302230-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 50 90 80 10
MAX TEMP (24HR TREND) 17 (-1) 23
MIN RH % (24HR TREND) 56 (+2) 77
MIN TEMP (24HR TREND) 6 (+8) 6
MAX RH % (24HR TREND) 85 (-9) 95
20FT WIND AM (MPH) NW 5-6 N 8-10
20FT WIND PM (MPH) N 5-6 N 6-11 N 8-10 LGT/VAR
PEAK WIND GUSTS (MPH) 26 23
PRECIP AMOUNT (IN) 0.01-0.05 0.10-0.25 0.05-0.10 0.00
11 AM MIXING HGT (FT) 1100 1600
MAX MIXING HGT (FT) 3300 2200
TRANSPORT WND (MPH) N 10 N 18
VENT RATE (MPH-FT) 33000 39600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
15. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. WEST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
19. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15. NORTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH.
INZ002-302230-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 40 100 90 50
MAX TEMP (24HR TREND) 17 (-1) 22
MIN RH % (24HR TREND) 63 (+4) 72
MIN TEMP (24HR TREND) 4 (+1) 8
MAX RH % (24HR TREND) 86 (-1) 93
20FT WIND AM (MPH) W 5-6 N 7-9
20FT WIND PM (MPH) N 5-6 NE 6-9 N 7-9 LGT/VAR
PEAK WIND GUSTS (MPH) 26 19
PRECIP AMOUNT (IN) 0.01-0.05 0.10-0.25 0.05-0.10 0.01-0.05
11 AM MIXING HGT (FT) 1200 1600
MAX MIXING HGT (FT) 3100 2400
TRANSPORT WND (MPH) N 12 N 20
VENT RATE (MPH-FT) 40300 50400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS AROUND 14. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. WEST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
19. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. NORTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS AROUND 20. SOUTHWEST WINDS AROUND 10 MPH.
ILZ013-302230-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 90 70 20
MAX TEMP (24HR TREND) 19 (+2) 24
MIN RH % (24HR TREND) 57 (+18) 70
MIN TEMP (24HR TREND) 7 (+3) 5
MAX RH % (24HR TREND) 82 (+12) 92
20FT WIND AM (MPH) N 8-9 N 9-12
20FT WIND PM (MPH) NE 8-9 N 10-12 N 9-12 LGT/VAR
PEAK WIND GUSTS (MPH) 16 19 18
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1200 1200
MAX MIXING HGT (FT) 3200 2200
TRANSPORT WND (MPH) NE 16 N 14
VENT RATE (MPH-FT) 51200 33000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
18. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE
LOWER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH.
ILZ012-302230-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY PCLDY PCLDY CLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 80 40 10
MAX TEMP (24HR TREND) 18 (+2) 23
MIN RH % (24HR TREND) 54 (+9) 70
MIN TEMP (24HR TREND) 5 (+7) 4
MAX RH % (24HR TREND) 83 (+7) 92
20FT WIND AM (MPH) N 8-10 N 9-12
20FT WIND PM (MPH) N 8-10 N 10-12 N 9-12 LGT/VAR
PEAK WIND GUSTS (MPH) 18 20 19
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1200 1200
MAX MIXING HGT (FT) 3200 2100
TRANSPORT WND (MPH) NE 16 N 14
VENT RATE (MPH-FT) 51200 31500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
17. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW. HIGHS IN THE
UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTH WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH.
ILZ005-302230-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY PCLDY PCLDY CLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 90 20 10
MAX TEMP (24HR TREND) 17 (+3) 23
MIN RH % (24HR TREND) 57 (+14) 70
MIN TEMP (24HR TREND) 5 (+4) 2
MAX RH % (24HR TREND) 83 (+6) 92
20FT WIND AM (MPH) N 8-12 N 8-11
20FT WIND PM (MPH) NE 8-12 N 10-11 NW 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 19 19 18
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1200 1100
MAX MIXING HGT (FT) 3300 1700
TRANSPORT WND (MPH) NE 20 N 14
VENT RATE (MPH-FT) 69300 25500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 20S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING.
LOWS AROUND 17. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
18. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH.
ILZ004-302230-
BOONE-
INCLUDING THE CITY OF BELVIDERE
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE SNOW SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 80 10
MAX TEMP (24HR TREND) 16 (+3) 21
MIN RH % (24HR TREND) 57 (+8) 69
MIN TEMP (24HR TREND) 5 (+7) 1
MAX RH % (24HR TREND) 83 (-2) 91
20FT WIND AM (MPH) N 8-12 N 8-11
20FT WIND PM (MPH) N 8-12 N 10-11 NW 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 20 18 17
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 1100
MAX MIXING HGT (FT) 2500 1600
TRANSPORT WND (MPH) NE 20 N 14
VENT RATE (MPH-FT) 52500 24000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTH WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING.
LOWS AROUND 17. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
18. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. NORTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH.
ILZ011-302230-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY CLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 70 30
MAX TEMP (24HR TREND) 17 (+2) 21
MIN RH % (24HR TREND) 54 (+5) 68
MIN TEMP (24HR TREND) 5 (+5) 4
MAX RH % (24HR TREND) 82 (+5) 91
20FT WIND AM (MPH) N 8-11 N 9-12
20FT WIND PM (MPH) N 8-11 N 10-11 NW 9-12 LGT/VAR
PEAK WIND GUSTS (MPH) 18 20 19
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 1200
MAX MIXING HGT (FT) 2600 1800
TRANSPORT WND (MPH) N 17 NW 14
VENT RATE (MPH-FT) 44200 27000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING.
LOWS AROUND 18. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
5 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
19. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTH WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ003-302230-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE SNOW SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 50 10
MAX TEMP (24HR TREND) 15 (+2) 21
MIN RH % (24HR TREND) 56 (+8) 65
MIN TEMP (24HR TREND) 5 (+7) 2
MAX RH % (24HR TREND) 80 (-1) 90
20FT WIND AM (MPH) N 8-12 N 8-10
20FT WIND PM (MPH) N 8-12 N 9-10 NW 8-10 LGT/VAR
PEAK WIND GUSTS (MPH) 21 19 17
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 1200
MAX MIXING HGT (FT) 2300 1700
TRANSPORT WND (MPH) N 20 N 12
VENT RATE (MPH-FT) 48300 22100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTH WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING.
LOWS AROUND 17. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
18. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. NORTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ008-302230-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE SNOW SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 50 10
MAX TEMP (24HR TREND) 16 (+2) 21
MIN RH % (24HR TREND) 51 (+5) 63
MIN TEMP (24HR TREND) 4 (+3) 3
MAX RH % (24HR TREND) 79 (+4) 91
20FT WIND AM (MPH) N 10-15 N 8-11
20FT WIND PM (MPH) N 10-15 N 10-11 NW 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 21 21 17
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1700 1300
MAX MIXING HGT (FT) 2600 1900
TRANSPORT WND (MPH) N 19 N 13
VENT RATE (MPH-FT) 52000 26600
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. SOUTH WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING.
LOWS AROUND 18. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
19. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. NORTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ010-302230-
LEE-
INCLUDING THE CITY OF DIXON
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 50 20
MAX TEMP (24HR TREND) 16 (0) 22
MIN RH % (24HR TREND) 49 (+2) 60
MIN TEMP (24HR TREND) 5 (+2) 4
MAX RH % (24HR TREND) 79 (+6) 91
20FT WIND AM (MPH) N 7-12 N 9-11
20FT WIND PM (MPH) N 7-12 N 10-11 NW 9-11 LGT/VAR
PEAK WIND GUSTS (MPH) 20 21 18
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1500 1400
MAX MIXING HGT (FT) 3000 2000
TRANSPORT WND (MPH) N 18 N 14
VENT RATE (MPH-FT) 54000 30000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. SOUTH WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING.
LOWS AROUND 18. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS AROUND 30. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. NORTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ019-302230-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY CLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 50 40
MAX TEMP (24HR TREND) 17 (+2) 23
MIN RH % (24HR TREND) 51 (+4) 62
MIN TEMP (24HR TREND) 5 (+6) 4
MAX RH % (24HR TREND) 79 (+2) 91
20FT WIND AM (MPH) N 6-9 NW 9-12
20FT WIND PM (MPH) N 6-9 N 10-11 NW 9-12 LGT/VAR
PEAK WIND GUSTS (MPH) 17 20 19
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1500 1400
MAX MIXING HGT (FT) 3100 2200
TRANSPORT WND (MPH) N 14 NW 14
VENT RATE (MPH-FT) 46500 33000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING.
LOWS AROUND 18. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 30. SOUTHWEST WINDS AROUND
5 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. WEST WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS AROUND 30. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ020-302230-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY CLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 70 50
MAX TEMP (24HR TREND) 18 (+2) 23
MIN RH % (24HR TREND) 53 (+8) 70
MIN TEMP (24HR TREND) 6 (+9) 5
MAX RH % (24HR TREND) 81 (+1) 94
20FT WIND AM (MPH) N 7-8 N 9-12
20FT WIND PM (MPH) N 7-8 N 10-12 N 9-12 LGT/VAR
PEAK WIND GUSTS (MPH) 15 20 19
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1300 1200
MAX MIXING HGT (FT) 3000 2300
TRANSPORT WND (MPH) N 12 N 14
VENT RATE (MPH-FT) 39000 34500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
18. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS AROUND 30. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTH WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH.
ILZ021-302230-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY CLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 60 60
MAX TEMP (24HR TREND) 18 (+2) 24
MIN RH % (24HR TREND) 55 (+9) 71
MIN TEMP (24HR TREND) 6 (+9) 4
MAX RH % (24HR TREND) 82 (+4) 95
20FT WIND AM (MPH) NW 5-7 NW 9-11
20FT WIND PM (MPH) N 5-7 N 9-11 NW 9-11 LGT/VAR
PEAK WIND GUSTS (MPH) 13 19 18
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1300 1400
MAX MIXING HGT (FT) 3000 2400
TRANSPORT WND (MPH) N 10 NW 16
VENT RATE (MPH-FT) 30000 38400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
17. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS AROUND 30. SOUTHWEST WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS AROUND 30. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE
LOWER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ022-302230-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 70 70 30
MAX TEMP (24HR TREND) 18 (+1) 24
MIN RH % (24HR TREND) 57 (+11) 74
MIN TEMP (24HR TREND) 7 (+8) 5
MAX RH % (24HR TREND) 85 (+5) 96
20FT WIND AM (MPH) NW 6-8 NW 9-11
20FT WIND PM (MPH) N 6-8 N 8-11 N 9-11 LGT/VAR
PEAK WIND GUSTS (MPH) 19 18
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1100 1400
MAX MIXING HGT (FT) 3100 2400
TRANSPORT WND (MPH) N 11 N 16
VENT RATE (MPH-FT) 37200 38400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
17. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. NORTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH.
ILZ032-302230-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 40 60
MAX TEMP (24HR TREND) 17 (+2) 22
MIN RH % (24HR TREND) 55 (+6) 73
MIN TEMP (24HR TREND) 4 (+7) 2
MAX RH % (24HR TREND) 87 (+9) 97
20FT WIND AM (MPH) NW 5-7 NW 10-12
20FT WIND PM (MPH) N 5-7 N 7-9 NW 10-12 LGT/VAR
PEAK WIND GUSTS (MPH) 18 19
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1400 1400
MAX MIXING HGT (FT) 3000 2300
TRANSPORT WND (MPH) N 12 NW 17
VENT RATE (MPH-FT) 39000 39100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING.
LOWS AROUND 16. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS AROUND 30. SOUTHWEST WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. WEST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS AROUND 30. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ023-302230-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 50 60 30
MAX TEMP (24HR TREND) 17 (+1) 23
MIN RH % (24HR TREND) 57 (+7) 79
MIN TEMP (24HR TREND) 6 (+8) 4
MAX RH % (24HR TREND) 84 (+4) 96
20FT WIND AM (MPH) NW 5 NW 8-11
20FT WIND PM (MPH) N 5 N 6-10 NW 8-11 LGT/VAR
PEAK WIND GUSTS (MPH) 19 17
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1000 1400
MAX MIXING HGT (FT) 2600 2300
TRANSPORT WND (MPH) N 9 N 18
VENT RATE (MPH-FT) 23400 41400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 20S. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
15. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW. HIGHS IN THE
UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
19. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. NORTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ039-302230-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 30 40
MAX TEMP (24HR TREND) 16 (+1) 21
MIN RH % (24HR TREND) 54 (+2) 79
MIN TEMP (24HR TREND) 4 (+6) 2
MAX RH % (24HR TREND) 89 (+13) 94
20FT WIND AM (MPH) N 6-7 NW 10-15
20FT WIND PM (MPH) N 6-7 N 7-10 NW 10-15 LGT/VAR
PEAK WIND GUSTS (MPH) 19 19
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1200 1300
MAX MIXING HGT (FT) 3100 2300
TRANSPORT WND (MPH) N 10 NW 19
VENT RATE (MPH-FT) 31000 46000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE EVENING.
LOWS AROUND 14. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. WEST WINDS AROUND
5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS AROUND 30. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. SOUTHWEST WINDS
AROUND 10 MPH.
ILZ033-302230-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 30 50 10
MAX TEMP (24HR TREND) 16 (+2) 22
MIN RH % (24HR TREND) 56 (+4) 78
MIN TEMP (24HR TREND) 4 (+9) 2
MAX RH % (24HR TREND) 87 (-1) 94
20FT WIND AM (MPH) NW 5 NW 9-11
20FT WIND PM (MPH) N 5 N 6-9 NW 9-11 LGT/VAR
PEAK WIND GUSTS (MPH) 19 18
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1100 1400
MAX MIXING HGT (FT) 2800 2500
TRANSPORT WND (MPH) N 9 NW 19
VENT RATE (MPH-FT) 25200 50000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
13. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW. HIGHS IN THE
UPPER 20S. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. SOUTHWEST WINDS
5 TO 10 MPH.
INZ010-302230-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 30 60 50
MAX TEMP (24HR TREND) 16 (+2) 21
MIN RH % (24HR TREND) 56 (+1) 79
MIN TEMP (24HR TREND) 4 (+8) 6
MAX RH % (24HR TREND) 87 (-6) 95
20FT WIND AM (MPH) LGT/VAR NW 7-10
20FT WIND PM (MPH) LGT/VAR N 5-8 N 7-10 LGT/VAR
PEAK WIND GUSTS (MPH) 17 16
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 900 1600
MAX MIXING HGT (FT) 2900 2300
TRANSPORT WND (MPH) N 8 N 18
VENT RATE (MPH-FT) 23200 41400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
13. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW. HIGHS IN THE
UPPER 20S. SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND 19.
NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. NORTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. SOUTHWEST WINDS
5 TO 10 MPH.
INZ011-302230-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
531 AM CST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 20 50 50 10
MAX TEMP (24HR TREND) 17 (+2) 20
MIN RH % (24HR TREND) 57 (+1) 75
MIN TEMP (24HR TREND) 4 (+7) 8
MAX RH % (24HR TREND) 86 (-11) 95
20FT WIND AM (MPH) LGT/VAR N 7-10
20FT WIND PM (MPH) LGT/VAR N 5-8 N 7-10 LGT/VAR
PEAK WIND GUSTS (MPH) 17 16
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 800 1700
MAX MIXING HGT (FT) 3000 2300
TRANSPORT WND (MPH) N 8 N 19
VENT RATE (MPH-FT) 24000 46000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
19. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE UPPER 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. SOUTHWEST WINDS
AROUND 10 MPH.
INZ019-302230-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
631 AM EST FRI JAN 30 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 20 30 40
MAX TEMP (24HR TREND) 15 (+1) 20
MIN RH % (24HR TREND) 60 (+8) 80
MIN TEMP (24HR TREND) 3 (+9) 5
MAX RH % (24HR TREND) 88 (-11) 96
20FT WIND AM (MPH) LGT/VAR NW 8-12
20FT WIND PM (MPH) LGT/VAR N 6-8 N 8-12 LGT/VAR
PEAK WIND GUSTS (MPH) 17 17
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1000 1600
MAX MIXING HGT (FT) 2800 2400
TRANSPORT WND (MPH) N 9 N 20
VENT RATE (MPH-FT) 25200 50400
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 12. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE UPPER 20S. SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND
20. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING.
HIGHS IN THE MID 20S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS IN THE MID 20S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 19. SOUTHWEST WINDS
5 TO 10 MPH.
KLUBER
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