665
FNUS53 KLOT 151026
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
426 AM CST MON DEC 15 2025
DISCUSSION
MOSTLY CLOUDY SKIES WITH GUSTY SOUTHWEST WINDS ARE EXPECTED TODAY
AMID A MODERATING TREND IN TEMPERATURES THROUGH MID-WEEK. A
STRONG STORM SYSTEM CROSSING THE NORTHERN GREAT LAKES WEDNESDAY
INTO THURSDAY WILL BRING THE NEXT CHANCE OF PRECIPITATION, LIKELY
ALL RAIN, WEDNESDAY NIGHT INTO THURSDAY WHILE ALSO REMOVING MUCH
OF THE EXISTING SNOWPACK ACROSS THE AREA. A STRONG COLD FRONT WILL
USHER IN COLDER CONDITIONS THURSDAY NIGHT THROUGH FRIDAY, BUT
NEAR NORMAL TO ABOVE NORMAL TEMPERATURES WILL RETURN FOR THE
WEEKEND.
ILZ014-152215-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 24 (+14) 36
MIN RH % (24HR TREND) 58 (+9) 70
MIN TEMP (24HR TREND) 15 (+13) 28
MAX RH % (24HR TREND) 92 (+23) 97
20FT WIND AM (MPH) SW 10-15 SW 10-15
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 10-15 SW 8-12
PEAK WIND GUSTS (MPH) 28 25 24
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1600 800
MAX MIXING HGT (FT) 2000 1200
TRANSPORT WND (MPH) SW 17 SW 21
VENT RATE (MPH-FT) 34000 26400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE MID 40S. SOUTH WINDS AROUND
15 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 13.
WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS AROUND 30. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ006-152215-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 23 (+15) 35
MIN RH % (24HR TREND) 63 (+8) 76
MIN TEMP (24HR TREND) 12 (+10) 28
MAX RH % (24HR TREND) 94 (+25) 97
20FT WIND AM (MPH) SW 10-15 SW 10-15
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 10-15 SW 10-15
PEAK WIND GUSTS (MPH) 30 25 25
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1500 700
MAX MIXING HGT (FT) 1900 1100
TRANSPORT WND (MPH) SW 19 SW 23
VENT RATE (MPH-FT) 38000 25300
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE MID 40S. SOUTH WINDS AROUND
15 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 10.
WEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
INZ001-152215-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 22 (+11) 35
MIN RH % (24HR TREND) 59 (+12) 72
MIN TEMP (24HR TREND) 15 (+15) 28
MAX RH % (24HR TREND) 93 (+21) 99
20FT WIND AM (MPH) SW 10-15 S 8-12
20FT WIND PM (MPH) SW 10-15 LGT/VAR S 8-12 SW 8-12
PEAK WIND GUSTS (MPH) 28 24 24
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 700
MAX MIXING HGT (FT) 1900 1100
TRANSPORT WND (MPH) SW 23 S 21
VENT RATE (MPH-FT) 43700 24200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
RAIN, MAINLY IN THE MORNING. HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS AROUND 13. WEST
WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS
10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
INZ002-152215-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 22 (+11) 35
MIN RH % (24HR TREND) 59 (+3) 71
MIN TEMP (24HR TREND) 14 (+14) 29
MAX RH % (24HR TREND) 92 (+15) 99
20FT WIND AM (MPH) SW 10-15 S 8-12
20FT WIND PM (MPH) SW 10-15 LGT/VAR S 8-12 SW 9-12
PEAK WIND GUSTS (MPH) 29 24 24
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 700
MAX MIXING HGT (FT) 1900 1100
TRANSPORT WND (MPH) SW 23 S 23
VENT RATE (MPH-FT) 43700 25300
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
RAIN, MAINLY IN THE MORNING. HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS AROUND 14. WEST
WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS
10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ013-152215-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 23 (+15) 35
MIN RH % (24HR TREND) 62 (+9) 74
MIN TEMP (24HR TREND) 15 (+13) 28
MAX RH % (24HR TREND) 93 (+23) 99
20FT WIND AM (MPH) SW 10-15 SW 10-15
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 10-15 SW 10-15
PEAK WIND GUSTS (MPH) 27 25 24
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 700
MAX MIXING HGT (FT) 1900 1100
TRANSPORT WND (MPH) SW 19 SW 21
VENT RATE (MPH-FT) 38000 24200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
RAIN IN THE MORNING. HIGHS IN THE MID 40S. SOUTH
WINDS AROUND 20 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 12.
WEST WINDS AROUND 20 MPH, BECOMING NORTHWEST AROUND 10 MPH AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ012-152215-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 23 (+19) 34
MIN RH % (24HR TREND) 65 (+5) 81
MIN TEMP (24HR TREND) 13 (+14) 27
MAX RH % (24HR TREND) 95 (+21) 99
20FT WIND AM (MPH) SW 10-15 S 10-15
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 10-15 SW 10-15
PEAK WIND GUSTS (MPH) 27 24 24
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 600
MAX MIXING HGT (FT) 1900 1000
TRANSPORT WND (MPH) SW 20 SW 20
VENT RATE (MPH-FT) 39900 21000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
IN THE LOWER 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING. HIGHS IN
THE MID 40S. SOUTH WINDS AROUND 20 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 9. WEST
WINDS AROUND 20 MPH, BECOMING NORTHWEST AROUND 10 MPH AFTER
MIDNIGHT.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ005-152215-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 22 (+17) 34
MIN RH % (24HR TREND) 67 (+9) 81
MIN TEMP (24HR TREND) 12 (+11) 26
MAX RH % (24HR TREND) 94 (+22) 99
20FT WIND AM (MPH) SW 10-15 SW 10-15
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 10-15 SW 10-15
PEAK WIND GUSTS (MPH) 28 24 24
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 600
MAX MIXING HGT (FT) 1900 1000
TRANSPORT WND (MPH) SW 19 SW 23
VENT RATE (MPH-FT) 38000 23000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
IN THE LOWER 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING. HIGHS IN
THE LOWER 40S. SOUTH WINDS AROUND 15 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 7.
NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 20. SOUTH
WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE UPPER 30S.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 19. WEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ004-152215-
BOONE-
INCLUDING THE CITY OF BELVIDERE
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 22 (+19) 34
MIN RH % (24HR TREND) 67 (+7) 82
MIN TEMP (24HR TREND) 11 (+12) 25
MAX RH % (24HR TREND) 96 (+22) 100
20FT WIND AM (MPH) SW 10-15 S 10-15
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 10-15 SW 8-12
PEAK WIND GUSTS (MPH) 26 23 23
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 600
MAX MIXING HGT (FT) 1800 1000
TRANSPORT WND (MPH) SW 18 SW 21
VENT RATE (MPH-FT) 32400 22000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLOUDY. RAIN LIKELY AFTER MIDNIGHT. LOWS IN
THE LOWER 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
BREEZY. RAIN LIKELY IN THE MORNING. MOSTLY CLOUDY.
HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND 15 MPH, INCREASING TO
WEST AROUND 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 6. WEST
WINDS AROUND 20 MPH, BECOMING NORTHWEST AROUND 10 MPH AFTER
MIDNIGHT.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 19. SOUTH
WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE UPPER 30S.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. WEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ011-152215-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 23 (+19) 34
MIN RH % (24HR TREND) 67 (+4) 81
MIN TEMP (24HR TREND) 12 (+15) 26
MAX RH % (24HR TREND) 95 (+19) 99
20FT WIND AM (MPH) SW 10-15 S 8-12
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 8-12 SW 8-12
PEAK WIND GUSTS (MPH) 27 23 23
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 600
MAX MIXING HGT (FT) 1800 1000
TRANSPORT WND (MPH) SW 20 SW 19
VENT RATE (MPH-FT) 37800 20000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLOUDY. RAIN LIKELY AFTER MIDNIGHT. LOWS IN
THE LOWER 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
BREEZY. MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING.
HIGHS IN THE MID 40S. SOUTH WINDS AROUND 20 MPH, BECOMING WEST IN
THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 8. WEST
WINDS AROUND 20 MPH, BECOMING NORTHWEST AROUND 10 MPH AFTER
MIDNIGHT.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ003-152215-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 23 (+19) 35
MIN RH % (24HR TREND) 68 (+13) 80
MIN TEMP (24HR TREND) 10 (+10) 25
MAX RH % (24HR TREND) 97 (+25) 99
20FT WIND AM (MPH) SW 10-15 S 10-15
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 10-15 SW 8-12
PEAK WIND GUSTS (MPH) 26 21 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 600
MAX MIXING HGT (FT) 1900 1100
TRANSPORT WND (MPH) SW 19 SW 20
VENT RATE (MPH-FT) 38000 23100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
BREEZY. RAIN LIKELY IN THE MORNING. MOSTLY CLOUDY.
HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND 15 MPH, INCREASING TO
WEST AROUND 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 6. NORTHWEST WINDS 10 TO
15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 20. SOUTH
WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE UPPER 30S.
SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ008-152215-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 24 (+19) 35
MIN RH % (24HR TREND) 67 (+11) 80
MIN TEMP (24HR TREND) 12 (+12) 24
MAX RH % (24HR TREND) 98 (+25) 100
20FT WIND AM (MPH) SW 10-15 S 7-12
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 7-12 SW 7-11
PEAK WIND GUSTS (MPH) 26 21 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 600
MAX MIXING HGT (FT) 1800 1000
TRANSPORT WND (MPH) SW 21 SW 19
VENT RATE (MPH-FT) 39600 20000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
RAIN LIKELY IN THE MORNING. MOSTLY CLOUDY. HIGHS IN
THE LOWER 40S. SOUTH WINDS AROUND 15 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 6. NORTHWEST WINDS 10 TO
15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 19. WEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ010-152215-
LEE-
INCLUDING THE CITY OF DIXON
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 25 (+21) 36
MIN RH % (24HR TREND) 67 (+10) 81
MIN TEMP (24HR TREND) 13 (+14) 25
MAX RH % (24HR TREND) 97 (+23) 99
20FT WIND AM (MPH) SW 10-15 S 7-11
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 7-11 SW 7-11
PEAK WIND GUSTS (MPH) 26 20 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 600
MAX MIXING HGT (FT) 1800 900
TRANSPORT WND (MPH) SW 21 S 18
VENT RATE (MPH-FT) 39600 16200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. SOUTH WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING. HIGHS IN
THE MID 40S. SOUTH WINDS AROUND 15 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 8. WEST WINDS AROUND
20 MPH, BECOMING NORTHWEST AROUND 10 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ019-152215-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 25 (+21) 36
MIN RH % (24HR TREND) 66 (+6) 80
MIN TEMP (24HR TREND) 14 (+17) 27
MAX RH % (24HR TREND) 95 (+19) 98
20FT WIND AM (MPH) SW 10-15 S 7-11
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 7-11 SW 7-11
PEAK WIND GUSTS (MPH) 27 20 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 700
MAX MIXING HGT (FT) 1800 1000
TRANSPORT WND (MPH) SW 24 SW 18
VENT RATE (MPH-FT) 43200 18000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING. HIGHS IN
THE MID 40S. SOUTH WINDS AROUND 20 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 11. WEST WINDS AROUND
20 MPH, BECOMING NORTHWEST AROUND 10 MPH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS AROUND 30. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ020-152215-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 24 (+19) 35
MIN RH % (24HR TREND) 65 (+2) 80
MIN TEMP (24HR TREND) 13 (+14) 27
MAX RH % (24HR TREND) 95 (+17) 100
20FT WIND AM (MPH) SW 10-15 S 7-12
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 7-12 SW 8-11
PEAK WIND GUSTS (MPH) 26 21 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 700
MAX MIXING HGT (FT) 1900 1100
TRANSPORT WND (MPH) SW 23 SW 20
VENT RATE (MPH-FT) 43700 23100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING. HIGHS IN
THE MID 40S. SOUTH WINDS AROUND 20 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 11.
WEST WINDS AROUND 20 MPH, BECOMING NORTHWEST AROUND 10 MPH AFTER
MIDNIGHT.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ021-152215-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 25 (+20) 36
MIN RH % (24HR TREND) 62 (-3) 80
MIN TEMP (24HR TREND) 15 (+19) 28
MAX RH % (24HR TREND) 94 (+15) 100
20FT WIND AM (MPH) SW 10-15 S 7-11
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 7-11 SW 8-10
PEAK WIND GUSTS (MPH) 26 20 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 700
MAX MIXING HGT (FT) 1900 1100
TRANSPORT WND (MPH) SW 24 SW 19
VENT RATE (MPH-FT) 45600 22000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING. HIGHS IN
THE UPPER 40S. SOUTH WINDS AROUND 20 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 12. NORTHWEST WINDS 10 TO
15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS AROUND 30. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE MID 40S.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ022-152215-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 23 (+15) 35
MIN RH % (24HR TREND) 61 (+4) 77
MIN TEMP (24HR TREND) 14 (+16) 27
MAX RH % (24HR TREND) 96 (+17) 100
20FT WIND AM (MPH) SW 10-15 S 8-12
20FT WIND PM (MPH) SW 10-15 LGT/VAR SW 8-12 SW 8-12
PEAK WIND GUSTS (MPH) 27 24 24
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1400 700
MAX MIXING HGT (FT) 1900 1100
TRANSPORT WND (MPH) SW 21 SW 20
VENT RATE (MPH-FT) 41800 23100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND
20 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 12.
WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ032-152215-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 25 (+22) 36
MIN RH % (24HR TREND) 63 (+4) 85
MIN TEMP (24HR TREND) 15 (+24) 26
MAX RH % (24HR TREND) 93 (+15) 100
20FT WIND AM (MPH) SW 10-15 S 8-12
20FT WIND PM (MPH) SW 10-15 LGT/VAR S 8-12 SW 8-11
PEAK WIND GUSTS (MPH) 28 20 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 600
MAX MIXING HGT (FT) 1600 1000
TRANSPORT WND (MPH) SW 24 SW 19
VENT RATE (MPH-FT) 38400 20000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 15 TO 20 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING. HIGHS IN
THE UPPER 40S. SOUTH WINDS AROUND 20 MPH, BECOMING WEST IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. MUCH COLDER. LOWS AROUND 11. WEST WINDS 15 TO
20 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS AROUND 30. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 15 MPH.
SATURDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ023-152215-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 23 (+17) 35
MIN RH % (24HR TREND) 61 (+2) 79
MIN TEMP (24HR TREND) 14 (+18) 27
MAX RH % (24HR TREND) 95 (+18) 100
20FT WIND AM (MPH) SW 10-15 S 7-11
20FT WIND PM (MPH) SW 10-15 LGT/VAR S 7-11 SW 7-10
PEAK WIND GUSTS (MPH) 27 21 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 600
MAX MIXING HGT (FT) 1800 1100
TRANSPORT WND (MPH) SW 23 S 20
VENT RATE (MPH-FT) 41400 23100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
RAIN, MAINLY IN THE MORNING. HIGHS IN THE UPPER 40S.
SOUTH WINDS AROUND 15 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. MUCH COLDER. LOWS AROUND 11.
WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ039-152215-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 24 (+21) 35
MIN RH % (24HR TREND) 64 (+4) 82
MIN TEMP (24HR TREND) 15 (+26) 26
MAX RH % (24HR TREND) 92 (+9) 100
20FT WIND AM (MPH) S 10-15 S 9-12
20FT WIND PM (MPH) SW 10-15 SW 5-6 S 9-12 SW 9-11
PEAK WIND GUSTS (MPH) 28 19 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1200 600
MAX MIXING HGT (FT) 1500 900
TRANSPORT WND (MPH) SW 23 S 19
VENT RATE (MPH-FT) 34500 18000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 15 TO 20 MPH.
THURSDAY
RAIN, MAINLY IN THE MORNING. HIGHS IN THE UPPER 40S.
SOUTH WINDS AROUND 20 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 11. WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 15 MPH.
SATURDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTH WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ033-152215-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 23 (+20) 35
MIN RH % (24HR TREND) 61 (+1) 79
MIN TEMP (24HR TREND) 14 (+22) 26
MAX RH % (24HR TREND) 92 (+10) 100
20FT WIND AM (MPH) S 10-15 S 7-10
20FT WIND PM (MPH) SW 10-15 LGT/VAR S 7-10 SW 7-9
PEAK WIND GUSTS (MPH) 27 19 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 600
MAX MIXING HGT (FT) 1700 1100
TRANSPORT WND (MPH) SW 23 S 20
VENT RATE (MPH-FT) 39100 23100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
RAIN, MAINLY IN THE MORNING. HIGHS IN THE UPPER 40S.
SOUTH WINDS AROUND 15 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 11. WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 10 MPH.
SATURDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
INZ010-152215-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 22 (+17) 35
MIN RH % (24HR TREND) 60 (+4) 78
MIN TEMP (24HR TREND) 14 (+19) 27
MAX RH % (24HR TREND) 91 (+11) 99
20FT WIND AM (MPH) SW 10-15 S 7-11
20FT WIND PM (MPH) SW 10-15 LGT/VAR S 7-11 SW 7-10
PEAK WIND GUSTS (MPH) 27 20 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 700
MAX MIXING HGT (FT) 1800 1100
TRANSPORT WND (MPH) SW 24 S 21
VENT RATE (MPH-FT) 43200 24200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
RAIN, MAINLY IN THE MORNING. HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS AROUND 12. WEST
WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
INZ011-152215-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
426 AM CST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 21 (+14) 35
MIN RH % (24HR TREND) 60 (+7) 76
MIN TEMP (24HR TREND) 14 (+17) 28
MAX RH % (24HR TREND) 90 (+11) 99
20FT WIND AM (MPH) SW 10-15 S 8-11
20FT WIND PM (MPH) SW 10-15 LGT/VAR S 8-11 SW 8-11
PEAK WIND GUSTS (MPH) 27 21 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1300 700
MAX MIXING HGT (FT) 1800 1100
TRANSPORT WND (MPH) SW 24 S 21
VENT RATE (MPH-FT) 43200 24200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
RAIN, MAINLY IN THE MORNING. HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS AROUND 13. WEST
WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS
10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
INZ019-152215-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
526 AM EST MON DEC 15 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 21 (+18) 34
MIN RH % (24HR TREND) 61 (+3) 80
MIN TEMP (24HR TREND) 15 (+21) 27
MAX RH % (24HR TREND) 85 (0) 99
20FT WIND AM (MPH) S 10-15 S 8-11
20FT WIND PM (MPH) SW 10-15 LGT/VAR S 8-11 SW 8-10
PEAK WIND GUSTS (MPH) 27 20 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1200 600
MAX MIXING HGT (FT) 1500 1100
TRANSPORT WND (MPH) SW 24 S 21
VENT RATE (MPH-FT) 36000 24200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
RAIN, MAINLY IN THE MORNING. HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 12. WEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS 10 TO 15 MPH.
SATURDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
KLUBER
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