230
FNUS53 KLOT 161000
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CST TUE DEC 16 2025
DISCUSSION
TEMPERATURES TODAY WILL ABOUT 10 TO 15 DEGREES WARMER THAN MONDAY.
SOUTHWESTERLY WINDS WILL INCREASE LATER THIS MORNING AND
AFTERNOON, WITH SOME GUSTS INTO THE 20 TO 30 MPH RANGE. A STRONG
STORM SYSTEM WILL PUSH ACROSS THE GREAT LAKES REGION WEDNESDAY
NIGHT THROUGH THURSDAY, DELIVERING THE NEXT CHANCE FOR RAIN AND
ANOTHER PERIOD OF GUSTY WINDS. A SUBSEQUENT STRONG COLD FRONT
WILL SHIFT WINDS OUT OF THE WEST AND NORTHWEST THURSDAY AFTERNOON
AND EVENING, USHERING IN A BRIEF PERIOD OF COLDER CONDITIONS
THURSDAY NIGHT THROUGH FRIDAY. NEAR TO ABOVE NORMAL TEMPERATURES
ARE EXPECTED OVER THE WEEKEND.
ILZ014-162230-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 50
MAX TEMP (24HR TREND) 36 (+15) 35
MIN RH % (24HR TREND) 69 (+16) 79
MIN TEMP (24HR TREND) 28 (+12) 32
MAX RH % (24HR TREND) 91 (+7) 98
20FT WIND AM (MPH) S 7-12 W 5-6
20FT WIND PM (MPH) SW 7-12 SW 9-12 SW 5-6 S 10-15
PEAK WIND GUSTS (MPH) 25 26 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 700 1100
MAX MIXING HGT (FT) 1200 1200
TRANSPORT WND (MPH) SW 20 W 5
VENT RATE (MPH-FT) 25200 7200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE MID 40S. SOUTHWEST WINDS 15 TO
20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 14. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE MID 20S. WEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S. 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 MID 20S. NORTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. SOUTHEAST WINDS
AROUND 5 MPH.
ILZ006-162230-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 50
MAX TEMP (24HR TREND) 35 (+15) 35
MIN RH % (24HR TREND) 70 (+16) 81
MIN TEMP (24HR TREND) 26 (+14) 31
MAX RH % (24HR TREND) 90 (-1) 98
20FT WIND AM (MPH) S 7-12 W 6
20FT WIND PM (MPH) SW 7-12 SW 10-15 SW 6 S 10-15
PEAK WIND GUSTS (MPH) 26 26 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 700 1000
MAX MIXING HGT (FT) 1000 1200
TRANSPORT WND (MPH) SW 20 W 5
VENT RATE (MPH-FT) 21000 7200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE MID 40S. SOUTHWEST WINDS 15 TO
20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 12. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE MID 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 AROUND 40.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY 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. NORTHWEST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS
AROUND 5 MPH.
INZ001-162230-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER CLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 40
MAX TEMP (24HR TREND) 35 (+15) 36
MIN RH % (24HR TREND) 71 (+15) 83
MIN TEMP (24HR TREND) 28 (+14) 32
MAX RH % (24HR TREND) 94 (+1) 99
20FT WIND AM (MPH) S 7-12 W 5
20FT WIND PM (MPH) SW 7-12 SW 9-12 S 5 S 10-15
PEAK WIND GUSTS (MPH) 24 24 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 700 1000
MAX MIXING HGT (FT) 1100 1100
TRANSPORT WND (MPH) SW 19 W 5
VENT RATE (MPH-FT) 22000 6600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN RAIN LIKELY AND A CHANCE OF
SNOW IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 15. WEST WINDS AROUND 15 MPH.
FRIDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 20S. WEST
WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 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 IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 20S. 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 MID 20S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
INZ002-162230-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER CLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 30
MAX TEMP (24HR TREND) 35 (+15) 36
MIN RH % (24HR TREND) 71 (+20) 79
MIN TEMP (24HR TREND) 29 (+17) 32
MAX RH % (24HR TREND) 93 (-2) 98
20FT WIND AM (MPH) S 7-12 W 5-6
20FT WIND PM (MPH) SW 7-12 SW 10-12 S 5-6 S 10-15
PEAK WIND GUSTS (MPH) 27 27 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 700 1200
MAX MIXING HGT (FT) 1100 1300
TRANSPORT WND (MPH) SW 20 W 5
VENT RATE (MPH-FT) 23100 7800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN RAIN LIKELY AND A CHANCE OF
SNOW IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN
SHOWERS IN THE EVENING. LOWS AROUND 17. WEST WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 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 IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 20S. 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 MID 20S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ013-162230-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 50
MAX TEMP (24HR TREND) 35 (+14) 35
MIN RH % (24HR TREND) 73 (+17) 85
MIN TEMP (24HR TREND) 27 (+12) 31
MAX RH % (24HR TREND) 92 (+5) 99
20FT WIND AM (MPH) S 10-15 W 5-6
20FT WIND PM (MPH) SW 10-15 SW 10-15 S 5-6 S 10-15
PEAK WIND GUSTS (MPH) 25 24 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 900
MAX MIXING HGT (FT) 1100 1100
TRANSPORT WND (MPH) SW 20 W 4
VENT RATE (MPH-FT) 23100 5500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 13. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 20S. WEST
WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE LOWER 30S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. NORTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ012-162230-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 34 (+13) 34
MIN RH % (24HR TREND) 76 (+14) 87
MIN TEMP (24HR TREND) 26 (+16) 30
MAX RH % (24HR TREND) 93 (-1) 100
20FT WIND AM (MPH) S 10-15 W 5-6
20FT WIND PM (MPH) SW 10-15 SW 10-12 S 5-6 S 10-15
PEAK WIND GUSTS (MPH) 24 23 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 800
MAX MIXING HGT (FT) 1100 1000
TRANSPORT WND (MPH) SW 20 W 4
VENT RATE (MPH-FT) 23100 5000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 11. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE MID 20S. WEST WINDS
AROUND 10 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.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 19. WEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE LOWER 30S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. NORTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. EAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ005-162230-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 34 (+14) 33
MIN RH % (24HR TREND) 77 (+16) 87
MIN TEMP (24HR TREND) 25 (+16) 29
MAX RH % (24HR TREND) 92 (0) 99
20FT WIND AM (MPH) S 10-15 W 5-6
20FT WIND PM (MPH) SW 10-15 SW 10-15 S 5-6 S 10-15
PEAK WIND GUSTS (MPH) 26 25 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 900
MAX MIXING HGT (FT) 900 1100
TRANSPORT WND (MPH) SW 20 W 5
VENT RATE (MPH-FT) 18900 6600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND
15 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 9. WEST WINDS 15 TO 20 MPH.
FRIDAY
PARTLY SUNNY. COLDER. HIGHS IN THE LOWER 20S. NORTHWEST
WINDS AROUND 10 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 UPPER 30S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 17. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 30S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ004-162230-
BOONE-
INCLUDING THE CITY OF BELVIDERE
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 34 (+14) 34
MIN RH % (24HR TREND) 78 (+13) 83
MIN TEMP (24HR TREND) 25 (+18) 29
MAX RH % (24HR TREND) 94 (-1) 99
20FT WIND AM (MPH) S 10-15 W 5-6
20FT WIND PM (MPH) SW 10-15 SW 9-12 S 5-6 S 10-15
PEAK WIND GUSTS (MPH) 25 23 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 500 800
MAX MIXING HGT (FT) 900 1000
TRANSPORT WND (MPH) SW 19 SW 4
VENT RATE (MPH-FT) 18000 5000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND
15 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 8. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE LOWER 20S. NORTHWEST
WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 20. SOUTH
WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE UPPER 30S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 16. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. NORTH WINDS AROUND
5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 30S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ011-162230-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 34 (+12) 34
MIN RH % (24HR TREND) 78 (+15) 87
MIN TEMP (24HR TREND) 25 (+15) 30
MAX RH % (24HR TREND) 94 (+1) 99
20FT WIND AM (MPH) S 7-12 W 5-6
20FT WIND PM (MPH) SW 7-12 SW 10-12 S 5-6 S 10-15
PEAK WIND GUSTS (MPH) 24 21 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.05-0.10
11 AM MIXING HGT (FT) 500 800
MAX MIXING HGT (FT) 1000 1000
TRANSPORT WND (MPH) SW 19 W 3
VENT RATE (MPH-FT) 20000 3000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND
15 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 10. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE MID 20S. WEST WINDS
AROUND 10 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 AROUND 40.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 18. WEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. NORTH WINDS AROUND
5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. EAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ003-162230-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 34 (+13) 35
MIN RH % (24HR TREND) 77 (+15) 79
MIN TEMP (24HR TREND) 24 (+15) 30
MAX RH % (24HR TREND) 94 (-1) 99
20FT WIND AM (MPH) S 1-6 W 5-7
20FT WIND PM (MPH) SW 7-12 SW 9-12 S 5-7 S 10-15
PEAK WIND GUSTS (MPH) 24 21 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.05-0.10
11 AM MIXING HGT (FT) 600 800
MAX MIXING HGT (FT) 900 1100
TRANSPORT WND (MPH) SW 18 SW 4
VENT RATE (MPH-FT) 16200 5500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. LOWS AROUND 8. WEST WINDS 15 TO
20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE MID 20S. NORTHWEST
WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 20. SOUTH
WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE UPPER 30S.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 16. WEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. NORTH WINDS AROUND
5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 30S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ008-162230-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 35 (+12) 35
MIN RH % (24HR TREND) 78 (+14) 81
MIN TEMP (24HR TREND) 25 (+16) 30
MAX RH % (24HR TREND) 93 (-5) 99
20FT WIND AM (MPH) S 1-6 LGT/VAR
20FT WIND PM (MPH) SW 7-12 SW 8-11 S 4-6 S 10-15
PEAK WIND GUSTS (MPH) 23 19 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.05-0.10
11 AM MIXING HGT (FT) 500 700
MAX MIXING HGT (FT) 900 1000
TRANSPORT WND (MPH) SW 18 SW 3
VENT RATE (MPH-FT) 16200 3000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. LOWS AROUND 9. WEST WINDS 15 TO
20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE MID 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 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS AROUND 40.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 17. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 19. NORTH WINDS AROUND
5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ010-162230-
LEE-
INCLUDING THE CITY OF DIXON
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 35 (+11) 36
MIN RH % (24HR TREND) 79 (+18) 86
MIN TEMP (24HR TREND) 25 (+15) 30
MAX RH % (24HR TREND) 94 (-3) 99
20FT WIND AM (MPH) S 6-11 LGT/VAR
20FT WIND PM (MPH) SW 6-11 SW 8-10 S 4-5 S 10-15
PEAK WIND GUSTS (MPH) 23 19 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.05-0.10
11 AM MIXING HGT (FT) 500 700
MAX MIXING HGT (FT) 800 800
TRANSPORT WND (MPH) SW 18 SW 3
VENT RATE (MPH-FT) 14400 2400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. LOWS AROUND 9. WEST WINDS 15 TO
20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE MID 20S. NORTHWEST
WINDS AROUND 10 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.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY 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. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. EAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ019-162230-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 36 (+12) 36
MIN RH % (24HR TREND) 76 (+19) 82
MIN TEMP (24HR TREND) 26 (+14) 31
MAX RH % (24HR TREND) 93 (0) 98
20FT WIND AM (MPH) S 6-11 LGT/VAR
20FT WIND PM (MPH) SW 6-11 SW 9-10 S 4-5 S 10-15
PEAK WIND GUSTS (MPH) 21 19 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 800
MAX MIXING HGT (FT) 1100 900
TRANSPORT WND (MPH) SW 19 W 3
VENT RATE (MPH-FT) 22000 2700
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. LOWS AROUND 12. WEST WINDS 15 TO
20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE LOWER 30S. NORTHWEST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. EAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ020-162230-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 36 (+13) 36
MIN RH % (24HR TREND) 72 (+10) 86
MIN TEMP (24HR TREND) 26 (+15) 31
MAX RH % (24HR TREND) 94 (-3) 100
20FT WIND AM (MPH) S 6-11 LGT/VAR
20FT WIND PM (MPH) SW 6-11 SW 9-11 S 4-5 S 10-15
PEAK WIND GUSTS (MPH) 23 20 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 900
MAX MIXING HGT (FT) 1100 1000
TRANSPORT WND (MPH) SW 19 W 4
VENT RATE (MPH-FT) 22000 5000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 13. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE MID 20S. WEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S. 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. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 30S. EAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ021-162230-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 50
MAX TEMP (24HR TREND) 36 (+14) 36
MIN RH % (24HR TREND) 72 (+7) 88
MIN TEMP (24HR TREND) 27 (+15) 31
MAX RH % (24HR TREND) 93 (+1) 100
20FT WIND AM (MPH) S 6-11 LGT/VAR
20FT WIND PM (MPH) SW 6-11 SW 8-10 LGT/VAR S 10-15
PEAK WIND GUSTS (MPH) 21 18 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 800
MAX MIXING HGT (FT) 1100 1000
TRANSPORT WND (MPH) SW 18 SW 4
VENT RATE (MPH-FT) 19800 5000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND
15 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 13. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY 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. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ022-162230-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 50
MAX TEMP (24HR TREND) 36 (+15) 36
MIN RH % (24HR TREND) 72 (+12) 86
MIN TEMP (24HR TREND) 27 (+14) 31
MAX RH % (24HR TREND) 94 (+1) 100
20FT WIND AM (MPH) S 7-12 W 5
20FT WIND PM (MPH) SW 7-12 SW 9-11 S 5 S 10-15
PEAK WIND GUSTS (MPH) 23 23 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 900
MAX MIXING HGT (FT) 1100 1000
TRANSPORT WND (MPH) SW 19 W 4
VENT RATE (MPH-FT) 22000 5000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS 15 TO
20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 14. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 20S. WEST
WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 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 IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S. 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. NORTH WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ032-162230-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 50
MAX TEMP (24HR TREND) 36 (+14) 37
MIN RH % (24HR TREND) 76 (+14) 88
MIN TEMP (24HR TREND) 27 (+14) 31
MAX RH % (24HR TREND) 93 (+5) 99
20FT WIND AM (MPH) S 7-11 LGT/VAR
20FT WIND PM (MPH) SW 7-11 SW 9-11 S 4-5 S 15-20
PEAK WIND GUSTS (MPH) 21 19 29
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 700
MAX MIXING HGT (FT) 900 800
TRANSPORT WND (MPH) SW 19 W 3
VENT RATE (MPH-FT) 18000 2400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. LOWS AROUND 12. WEST WINDS
AROUND 20 MPH.
FRIDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS AROUND 10 MPH.
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.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY 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. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ023-162230-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER CLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 40
MAX TEMP (24HR TREND) 36 (+14) 36
MIN RH % (24HR TREND) 74 (+13) 90
MIN TEMP (24HR TREND) 28 (+15) 31
MAX RH % (24HR TREND) 95 (+3) 100
20FT WIND AM (MPH) S 7-11 LGT/VAR
20FT WIND PM (MPH) SW 7-11 SW 9-10 LGT/VAR S 10-15
PEAK WIND GUSTS (MPH) 21 19 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 800
MAX MIXING HGT (FT) 1100 900
TRANSPORT WND (MPH) SW 20 W 4
VENT RATE (MPH-FT) 23100 4500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 13. WEST WINDS AROUND 15 MPH.
FRIDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 20S. WEST
WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY 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. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ039-162230-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLEAR MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 50
MAX TEMP (24HR TREND) 36 (+13) 37
MIN RH % (24HR TREND) 78 (+15) 87
MIN TEMP (24HR TREND) 28 (+15) 31
MAX RH % (24HR TREND) 96 (+11) 98
20FT WIND AM (MPH) SW 7-11 LGT/VAR
20FT WIND PM (MPH) SW 7-11 SW 9-11 S 4-5 S 15-20
PEAK WIND GUSTS (MPH) 20 18 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 600
MAX MIXING HGT (FT) 900 700
TRANSPORT WND (MPH) S 19 SW 4
VENT RATE (MPH-FT) 18000 3500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 12. WEST WINDS 15 TO
20 MPH.
FRIDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE MID 20S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 40S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY 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 MID 20S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ033-162230-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER CLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 40
MAX TEMP (24HR TREND) 36 (+14) 37
MIN RH % (24HR TREND) 76 (+17) 86
MIN TEMP (24HR TREND) 28 (+14) 31
MAX RH % (24HR TREND) 94 (+8) 97
20FT WIND AM (MPH) S 7-11 LGT/VAR
20FT WIND PM (MPH) SW 7-11 SW 8-10 LGT/VAR S 10-15
PEAK WIND GUSTS (MPH) 21 18 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 600 700
MAX MIXING HGT (FT) 1000 800
TRANSPORT WND (MPH) SW 19 SW 4
VENT RATE (MPH-FT) 20000 4000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. WEST WINDS
AROUND 15 MPH.
FRIDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 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 IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 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 MID 20S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
INZ010-162230-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER CLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 30
MAX TEMP (24HR TREND) 35 (+12) 36
MIN RH % (24HR TREND) 75 (+21) 86
MIN TEMP (24HR TREND) 29 (+16) 32
MAX RH % (24HR TREND) 94 (-1) 99
20FT WIND AM (MPH) S 7-11 LGT/VAR
20FT WIND PM (MPH) SW 7-11 SW 9-11 LGT/VAR S 10-15
PEAK WIND GUSTS (MPH) 21 19 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 700 800
MAX MIXING HGT (FT) 1100 1000
TRANSPORT WND (MPH) SW 19 W 4
VENT RATE (MPH-FT) 22000 5000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN RAIN LIKELY AND A CHANCE OF
SNOW IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. LOWS AROUND 14. WEST WINDS AROUND 15 MPH.
FRIDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 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 IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 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 MID 20S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
INZ011-162230-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
400 AM CST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER CLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 30
MAX TEMP (24HR TREND) 35 (+13) 36
MIN RH % (24HR TREND) 72 (+23) 86
MIN TEMP (24HR TREND) 29 (+18) 32
MAX RH % (24HR TREND) 94 (-4) 98
20FT WIND AM (MPH) S 7-11 LGT/VAR
20FT WIND PM (MPH) SW 7-11 SW 10-11 S 4-5 S 10-15
PEAK WIND GUSTS (MPH) 21 19 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 600 900
MAX MIXING HGT (FT) 1100 1100
TRANSPORT WND (MPH) SW 19 W 5
VENT RATE (MPH-FT) 22000 6600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN RAIN LIKELY AND A CHANCE OF
SNOW IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN
SHOWERS IN THE EVENING. LOWS AROUND 15. WEST WINDS AROUND 15 MPH.
FRIDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 20S. WEST
WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 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 IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 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 MID 20S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
INZ019-162230-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
500 AM EST TUE DEC 16 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER CLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE RAIN
CHANCE PRECIP (%) 10 30
MAX TEMP (24HR TREND) 36 (+13) 37
MIN RH % (24HR TREND) 76 (+26) 85
MIN TEMP (24HR TREND) 29 (+16) 32
MAX RH % (24HR TREND) 94 (+11) 97
20FT WIND AM (MPH) S 7-11 LGT/VAR
20FT WIND PM (MPH) SW 7-11 SW 9-11 LGT/VAR S 10-15
PEAK WIND GUSTS (MPH) 21 19 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 600 700
MAX MIXING HGT (FT) 1000 900
TRANSPORT WND (MPH) SW 19 W 4
VENT RATE (MPH-FT) 20000 4500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
RAIN IN THE MORNING, THEN RAIN LIKELY AND A CHANCE OF
SNOW IN THE AFTERNOON. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. WEST WINDS
AROUND 15 MPH.
FRIDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 20S. WEST
WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. 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 IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 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 MID 20S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHEAST
WINDS AROUND 5 MPH.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page