770
FNUS53 KLOT 151037
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
437 AM CST THU JAN 15 2026
DISCUSSION
SIGNIFICANT ACCUMULATING LAKE EFFECT SNOW WILL WIND DOWN THIS
MORNING ACROSS PORTIONS OF NORTHWEST INDIANA. OTHERWISE, SKIES
WILL BECOME PARTLY CLOUDY FOR A TIME TODAY BEFORE THE NEXT
RAPIDLY APPROACHING WEATHER SYSTEM ARRIVES THIS EVENING, AND
PRODUCES A MORE WIDESPREAD ACCUMULATING SNOWFALL ACROSS THE
AREA TONIGHT INTO FRIDAY MORNING. MOST AREAS WILL SEE AROUND
AN INCH OF SNOW WITH SOME LOCALLY HIGHER AMOUNTS POSSIBLE IN
SOME SPOTS. SCATTERED SNOW SHOWERS AND FLURRIES WILL LIKELY
LINGER THROUGH FRIDAY, AS TEMPERATURES WARM SLIGHTLY INTO THE
MID-30S.
A PERIOD OF COLDER, BLUSTERY WEATHER REMAINS IN THE FORECAST
THIS WEEKEND INTO EARLY NEXT WEEK. ADDITIONAL PERIODS OF SNOW
OR SNOW SHOWERS ARE POSSIBLE, AND WIND CHILLS MAY APPROACH 10
BELOW AT TIMES DURING THIS STRETCH AS WELL.
ILZ014-152215-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE FLURRIES SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 10 80 50 40
MAX TEMP (24HR TREND) 26 (-9) 37
MIN RH % (24HR TREND) 41 (-15) 69
MIN TEMP (24HR TREND) 22 (+7) 16
MAX RH % (24HR TREND) 82 (+19) 84
20FT WIND AM (MPH) N 8-10 SW 10-15
20FT WIND PM (MPH) W 8-10 SW 10-15 W 10-15 W 10-15
PEAK WIND GUSTS (MPH) 27 26 26 23
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2000 2100
MAX MIXING HGT (FT) 2800 3100
TRANSPORT WND (MPH) W 11 W 25
VENT RATE (MPH-FT) 33600 77500
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. HIGHS
AROUND 20. WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 10. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 19. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 6. WEST WINDS AROUND 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 11. WEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 15. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 11. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. WEST WINDS 5 TO
10 MPH.
ILZ006-152215-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 30 70 60 40
MAX TEMP (24HR TREND) 25 (-4) 36
MIN RH % (24HR TREND) 42 (-15) 68
MIN TEMP (24HR TREND) 21 (+7) 15
MAX RH % (24HR TREND) 79 (+17) 82
20FT WIND AM (MPH) N 8-9 W 10-15
20FT WIND PM (MPH) W 8-9 SW 10-12 W 10-15 W 11-12
PEAK WIND GUSTS (MPH) 25 26 27 21
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2000 2200
MAX MIXING HGT (FT) 2600 3500
TRANSPORT WND (MPH) SW 12 W 25
VENT RATE (MPH-FT) 33800 87500
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. HIGHS
AROUND 19. WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 9. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 3. WEST WINDS AROUND 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 9. WEST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 1 BELOW. WEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 14. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 9. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 11. WEST WINDS 5 TO
10 MPH.
INZ001-152215-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE FLURRIES SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 10 80 50 40
MAX TEMP (24HR TREND) 25 (-12) 36
MIN RH % (24HR TREND) 44 (-23) 76
MIN TEMP (24HR TREND) 20 (+4) 16
MAX RH % (24HR TREND) 87 (+19) 89
20FT WIND AM (MPH) N 7-10 SW 10-15
20FT WIND PM (MPH) W 7-10 SW 10-15 W 10-15 W 10
PEAK WIND GUSTS (MPH) 28 27 25 21
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2000 2000
MAX MIXING HGT (FT) 2900 3000
TRANSPORT WND (MPH) W 12 W 25
VENT RATE (MPH-FT) 37700 75000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE MORNING,
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS AROUND 19.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 10. WEST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. WEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 6. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 12. WEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 15. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 13. WEST WINDS 5 TO 10 MPH.
INZ002-152215-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE FLURRIES SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 50 80 60 40
MAX TEMP (24HR TREND) 24 (-13) 35
MIN RH % (24HR TREND) 49 (-25) 77
MIN TEMP (24HR TREND) 19 (+1) 17
MAX RH % (24HR TREND) 85 (+8) 90
20FT WIND AM (MPH) NW 8-10 SW 10-15
20FT WIND PM (MPH) W 8-10 SW 10-15 W 10-15 SW 9-10
PEAK WIND GUSTS (MPH) 29 28 27 23
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2600 1900
MAX MIXING HGT (FT) 2900 2800
TRANSPORT WND (MPH) W 12 SW 25
VENT RATE (MPH-FT) 37700 70000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. HIGHS
AROUND 20. WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 10. WEST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. SOUTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 7. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 12. WEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 14. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 9. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 13. WEST WINDS 5 TO 10 MPH.
ILZ013-152215-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 20 80 50 40
MAX TEMP (24HR TREND) 25 (-10) 36
MIN RH % (24HR TREND) 43 (-11) 71
MIN TEMP (24HR TREND) 22 (+7) 16
MAX RH % (24HR TREND) 83 (+19) 85
20FT WIND AM (MPH) N 8-9 W 10-15
20FT WIND PM (MPH) W 8-9 SW 10-12 W 10-15 W 10-15
PEAK WIND GUSTS (MPH) 21 25 26 21
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2000 2100
MAX MIXING HGT (FT) 2700 3100
TRANSPORT WND (MPH) SW 12 W 26
VENT RATE (MPH-FT) 35100 80600
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. HIGHS
AROUND 18. WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 9. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 4. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 10. WEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 14. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 11. WEST WINDS 5 TO
10 MPH.
ILZ012-152215-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 30 80 50 40
MAX TEMP (24HR TREND) 25 (-7) 35
MIN RH % (24HR TREND) 43 (-14) 73
MIN TEMP (24HR TREND) 21 (+7) 14
MAX RH % (24HR TREND) 83 (+17) 86
20FT WIND AM (MPH) N 8-9 W 10-15
20FT WIND PM (MPH) SW 8-9 SW 11-12 W 10-15 W 10-15
PEAK WIND GUSTS (MPH) 20 25 27 21
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2100 2200
MAX MIXING HGT (FT) 2600 3100
TRANSPORT WND (MPH) SW 13 W 26
VENT RATE (MPH-FT) 36400 80600
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. HIGHS
AROUND 17. WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 7. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 17. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 3. WEST WINDS AROUND 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 9. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2 BELOW. WEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 13. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 9.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. WEST WINDS 5 TO
10 MPH.
ILZ005-152215-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 40 60 50 40
MAX TEMP (24HR TREND) 24 (-3) 35
MIN RH % (24HR TREND) 43 (-12) 71
MIN TEMP (24HR TREND) 20 (+7) 13
MAX RH % (24HR TREND) 85 (+20) 85
20FT WIND AM (MPH) N 8 W 10-15
20FT WIND PM (MPH) SW 8 SW 10-12 W 10-15 W 11-12
PEAK WIND GUSTS (MPH) 19 25 28 20
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2100 2300
MAX MIXING HGT (FT) 2500 3300
TRANSPORT WND (MPH) SW 13 W 26
VENT RATE (MPH-FT) 35000 85800
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. HIGHS
AROUND 17. WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 7. WEST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 16. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 2. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 8. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 3 BELOW. WEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 12. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 7. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 8. WEST WINDS
AROUND 5 MPH.
ILZ004-152215-
BOONE-
INCLUDING THE CITY OF BELVIDERE
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 30 60 50 30
MAX TEMP (24HR TREND) 25 (-1) 35
MIN RH % (24HR TREND) 42 (-9) 69
MIN TEMP (24HR TREND) 21 (+8) 12
MAX RH % (24HR TREND) 86 (+22) 82
20FT WIND AM (MPH) N 7-8 W 10-15
20FT WIND PM (MPH) SW 7-8 SW 10-12 W 10-15 W 12
PEAK WIND GUSTS (MPH) 17 24 28 21
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2000 2500
MAX MIXING HGT (FT) 2500 3300
TRANSPORT WND (MPH) SW 13 W 25
VENT RATE (MPH-FT) 35000 82500
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. HIGHS
AROUND 17. WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 6. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 16. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 1. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 7. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 4 BELOW. WEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 13. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 7.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 8. WEST WINDS
AROUND 5 MPH.
ILZ011-152215-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 20 70 40 40
MAX TEMP (24HR TREND) 25 (-6) 35
MIN RH % (24HR TREND) 43 (-12) 72
MIN TEMP (24HR TREND) 22 (+9) 13
MAX RH % (24HR TREND) 85 (+18) 85
20FT WIND AM (MPH) N 8-9 W 10-15
20FT WIND PM (MPH) SW 8-9 S 12 W 10-15 W 10-15
PEAK WIND GUSTS (MPH) 19 25 27 23
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2100 2300
MAX MIXING HGT (FT) 2600 3300
TRANSPORT WND (MPH) SW 11 W 25
VENT RATE (MPH-FT) 31200 82500
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE MORNING,
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS AROUND 17.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 6. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 16. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 2. WEST WINDS AROUND 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 9. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2 BELOW. WEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 14. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 9.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. WEST WINDS 5 TO
10 MPH.
ILZ003-152215-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 30 60 40 30
MAX TEMP (24HR TREND) 25 (-2) 36
MIN RH % (24HR TREND) 41 (-6) 68
MIN TEMP (24HR TREND) 22 (+9) 12
MAX RH % (24HR TREND) 85 (+23) 79
20FT WIND AM (MPH) NW 6-8 W 10-15
20FT WIND PM (MPH) SW 6-8 SW 11-12 W 10-15 W 10-15
PEAK WIND GUSTS (MPH) 18 25 27 21
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 2100 2900
MAX MIXING HGT (FT) 2600 3400
TRANSPORT WND (MPH) SW 12 W 25
VENT RATE (MPH-FT) 33800 85000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. HIGHS
AROUND 17. WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 6. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 16. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 2. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 8. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 3 BELOW. WEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 13. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 8.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 8. WEST WINDS
AROUND 5 MPH.
ILZ008-152215-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 20 70 30 30
MAX TEMP (24HR TREND) 25 (-5) 36
MIN RH % (24HR TREND) 42 (-5) 69
MIN TEMP (24HR TREND) 22 (+8) 12
MAX RH % (24HR TREND) 84 (+21) 81
20FT WIND AM (MPH) NW 6-8 W 10-15
20FT WIND PM (MPH) SW 6-8 SW 12 W 10-15 W 10-15
PEAK WIND GUSTS (MPH) 19 25 28 21
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 2100 3000
MAX MIXING HGT (FT) 2500 3400
TRANSPORT WND (MPH) SW 12 W 27
VENT RATE (MPH-FT) 32500 95200
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE MORNING,
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS AROUND 17.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 6. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 17. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 2. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 8. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2 BELOW. WEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 15. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 8. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. SOUTH WINDS
AROUND 10 MPH, BECOMING WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 9. WEST WINDS
AROUND 5 MPH.
ILZ010-152215-
LEE-
INCLUDING THE CITY OF DIXON
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE FLURRIES SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 20 70 30 30
MAX TEMP (24HR TREND) 26 (-6) 36
MIN RH % (24HR TREND) 45 (-5) 70
MIN TEMP (24HR TREND) 22 (+8) 13
MAX RH % (24HR TREND) 84 (+18) 81
20FT WIND AM (MPH) NW 7-8 W 10-15
20FT WIND PM (MPH) SW 7-8 S 11 W 10-15 W 10-15
PEAK WIND GUSTS (MPH) 17 25 26 23
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 2000 2800
MAX MIXING HGT (FT) 2500 3500
TRANSPORT WND (MPH) SW 11 W 26
VENT RATE (MPH-FT) 30000 91000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE MORNING,
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS AROUND 17.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 6. WEST WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 17. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 3. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 10. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS NEAR ZERO. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 15. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 11. WEST WINDS 5 TO
10 MPH.
ILZ019-152215-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR CLOUDY MCLDY MCLDY
PRECIP TYPE FLURRIES SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 20 80 30 30
MAX TEMP (24HR TREND) 26 (-7) 37
MIN RH % (24HR TREND) 39 (-12) 70
MIN TEMP (24HR TREND) 23 (+8) 14
MAX RH % (24HR TREND) 85 (+23) 82
20FT WIND AM (MPH) N 8 W 10-15
20FT WIND PM (MPH) SW 8 SW 11-12 W 10-15 W 11-12
PEAK WIND GUSTS (MPH) 19 25 26 23
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2300 2600
MAX MIXING HGT (FT) 2700 4000
TRANSPORT WND (MPH) SW 13 W 27
VENT RATE (MPH-FT) 37800 112000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES. HIGHS AROUND 18.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 8. WEST WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 5. WEST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 11. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 17. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 11. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 13. WEST WINDS 5 TO 10 MPH.
ILZ020-152215-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR CLOUDY MCLDY MCLDY
PRECIP TYPE FLURRIES SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 20 80 40 40
MAX TEMP (24HR TREND) 25 (-9) 36
MIN RH % (24HR TREND) 41 (-17) 73
MIN TEMP (24HR TREND) 22 (+7) 15
MAX RH % (24HR TREND) 83 (+18) 87
20FT WIND AM (MPH) N 8-9 W 10-15
20FT WIND PM (MPH) W 8-9 SW 11-12 W 10-15 W 11-12
PEAK WIND GUSTS (MPH) 19 24 26 21
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2200 2200
MAX MIXING HGT (FT) 2700 3400
TRANSPORT WND (MPH) SW 12 W 26
VENT RATE (MPH-FT) 35100 88400
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE MORNING,
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS AROUND 18.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 8. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 5. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 11. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 15. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 12. WEST WINDS 5 TO
10 MPH.
ILZ021-152215-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 10 80 30 30
MAX TEMP (24HR TREND) 26 (-9) 37
MIN RH % (24HR TREND) 39 (-16) 74
MIN TEMP (24HR TREND) 22 (+7) 16
MAX RH % (24HR TREND) 84 (+21) 88
20FT WIND AM (MPH) N 8-9 W 10-15
20FT WIND PM (MPH) W 8-9 SW 10-15 W 10-15 W 11-12
PEAK WIND GUSTS (MPH) 19 25 26 21
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2300 2300
MAX MIXING HGT (FT) 2900 3700
TRANSPORT WND (MPH) SW 12 W 27
VENT RATE (MPH-FT) 37700 103600
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE MORNING,
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS AROUND 19.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 9. WEST WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 19. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 6. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 12. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 17. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 12. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 14. WEST WINDS 5 TO 10 MPH.
ILZ022-152215-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 10 80 40 40
MAX TEMP (24HR TREND) 25 (-11) 36
MIN RH % (24HR TREND) 42 (-19) 75
MIN TEMP (24HR TREND) 21 (+6) 16
MAX RH % (24HR TREND) 86 (+20) 90
20FT WIND AM (MPH) N 8-10 SW 10-15
20FT WIND PM (MPH) W 8-10 SW 10-15 W 10-15 W 10-11
PEAK WIND GUSTS (MPH) 23 25 26 20
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2200 2100
MAX MIXING HGT (FT) 2800 3400
TRANSPORT WND (MPH) SW 12 W 26
VENT RATE (MPH-FT) 36400 88400
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE MORNING,
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS AROUND 19.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 9. WEST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 5. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 11. WEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 15. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 12. WEST WINDS 5 TO
10 MPH.
ILZ032-152215-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW FLURRIES SNOW SHOWERS
CHANCE PRECIP (%) 10 80 20 30
MAX TEMP (24HR TREND) 27 (-7) 37
MIN RH % (24HR TREND) 39 (-16) 74
MIN TEMP (24HR TREND) 21 (+6) 15
MAX RH % (24HR TREND) 85 (+22) 90
20FT WIND AM (MPH) N 8-9 W 10-15
20FT WIND PM (MPH) SW 8-9 SW 10-15 W 10-15 W 11-12
PEAK WIND GUSTS (MPH) 20 26 27 21
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2300 2500
MAX MIXING HGT (FT) 2900 3900
TRANSPORT WND (MPH) SW 13 W 25
VENT RATE (MPH-FT) 40600 97500
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES. HIGHS AROUND 19.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF FLURRIES IN THE EVENING. LOWS AROUND
8. WEST WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 19. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 6. WEST WINDS 10 TO
15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 13. NORTHWEST WINDS AROUND
20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 18. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 12.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS AROUND 30.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 14. WEST WINDS
AROUND 10 MPH.
ILZ023-152215-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 10 80 40 30
MAX TEMP (24HR TREND) 26 (-11) 36
MIN RH % (24HR TREND) 40 (-21) 76
MIN TEMP (24HR TREND) 21 (+6) 16
MAX RH % (24HR TREND) 87 (+21) 91
20FT WIND AM (MPH) N 8-11 SW 10-15
20FT WIND PM (MPH) W 8-11 SW 10-15 W 10-15 W 9-11
PEAK WIND GUSTS (MPH) 24 26 26 19
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2100 2000
MAX MIXING HGT (FT) 2900 3300
TRANSPORT WND (MPH) SW 13 W 24
VENT RATE (MPH-FT) 40600 79200
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE MORNING,
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS AROUND 19.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 9. WEST WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. WEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 6. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 12. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 16. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 13. WEST WINDS AROUND 5 MPH.
ILZ039-152215-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW FLURRIES SNOW SHOWERS
CHANCE PRECIP (%) 80 20 30
MAX TEMP (24HR TREND) 26 (-10) 37
MIN RH % (24HR TREND) 40 (-18) 73
MIN TEMP (24HR TREND) 21 (+7) 15
MAX RH % (24HR TREND) 87 (+22) 90
20FT WIND AM (MPH) N 8-11 SW 10-15
20FT WIND PM (MPH) W 8-11 S 10-15 W 10-15 W 9-11
PEAK WIND GUSTS (MPH) 23 27 27 20
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2200 2300
MAX MIXING HGT (FT) 3000 3800
TRANSPORT WND (MPH) SW 13 W 25
VENT RATE (MPH-FT) 42000 95000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES. HIGHS AROUND 19.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF FLURRIES IN THE EVENING. LOWS AROUND
7. WEST WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 19. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 6. WEST WINDS 10 TO
15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 14. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 18. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 12.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 30S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. WEST WINDS
AROUND 10 MPH.
ILZ033-152215-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 30 30
MAX TEMP (24HR TREND) 26 (-11) 36
MIN RH % (24HR TREND) 40 (-23) 72
MIN TEMP (24HR TREND) 20 (+6) 16
MAX RH % (24HR TREND) 86 (+19) 89
20FT WIND AM (MPH) N 8-11 SW 10-15
20FT WIND PM (MPH) W 8-11 SW 10-15 W 10-15 W 9-10
PEAK WIND GUSTS (MPH) 23 27 26 19
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2100 2200
MAX MIXING HGT (FT) 3100 3600
TRANSPORT WND (MPH) SW 13 W 23
VENT RATE (MPH-FT) 43400 82800
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES. HIGHS AROUND 19.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF FLURRIES IN THE EVENING. LOWS AROUND
8. WEST WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 18. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 6. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 13. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 17. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 11. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS AROUND 30.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 14. WEST WINDS AROUND 5 MPH.
INZ010-152215-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE FLURRIES SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 40 30
MAX TEMP (24HR TREND) 25 (-12) 36
MIN RH % (24HR TREND) 43 (-22) 77
MIN TEMP (24HR TREND) 20 (+5) 17
MAX RH % (24HR TREND) 90 (+22) 89
20FT WIND AM (MPH) NW 8-10 SW 10-15
20FT WIND PM (MPH) W 8-10 SW 10-15 W 10-15 W 9-10
PEAK WIND GUSTS (MPH) 24 26 25 17
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2000 2000
MAX MIXING HGT (FT) 3000 3000
TRANSPORT WND (MPH) W 13 W 25
VENT RATE (MPH-FT) 42000 75000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES. HIGHS AROUND 19.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 9. WEST WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. WEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 7. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 12. WEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 15. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 10. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 13. WEST WINDS AROUND 5 MPH.
INZ011-152215-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
437 AM CST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE FLURRIES SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 10 80 40 30
MAX TEMP (24HR TREND) 25 (-12) 36
MIN RH % (24HR TREND) 45 (-25) 78
MIN TEMP (24HR TREND) 20 (+5) 18
MAX RH % (24HR TREND) 90 (+19) 90
20FT WIND AM (MPH) NW 8-10 SW 10-15
20FT WIND PM (MPH) W 8-10 SW 10-15 SW 10-15 SW 9
PEAK WIND GUSTS (MPH) 25 26 25 17
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 1900 2000
MAX MIXING HGT (FT) 3200 3000
TRANSPORT WND (MPH) W 13 SW 25
VENT RATE (MPH-FT) 44800 75000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES. HIGHS AROUND 20.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 9. WEST WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF FLURRIES IN THE AFTERNOON.
HIGHS AROUND 18. WEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 7. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 12. WEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 15. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 9. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 13. WEST WINDS AROUND 5 MPH.
INZ019-152215-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
537 AM EST THU JAN 15 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SHOWERS FLURRIES
CHANCE PRECIP (%) 80 30 20
MAX TEMP (24HR TREND) 25 (-12) 36
MIN RH % (24HR TREND) 47 (-21) 76
MIN TEMP (24HR TREND) 20 (+5) 17
MAX RH % (24HR TREND) 87 (+17) 90
20FT WIND AM (MPH) N 8-11 SW 10-15
20FT WIND PM (MPH) W 8-11 SW 10-15 W 10-15 W 8-9
PEAK WIND GUSTS (MPH) 25 26 26 17
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2000 2000
MAX MIXING HGT (FT) 3100 3100
TRANSPORT WND (MPH) W 13 W 25
VENT RATE (MPH-FT) 43400 77500
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. A CHANCE OF FLURRIES. HIGHS AROUND 19.
WEST WINDS AROUND 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF FLURRIES IN THE
EVENING. LOWS AROUND 9. WEST WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 18. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 7. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 13. WEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2. WEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 16. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 11. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE UPPER 20S.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 15. WEST WINDS
AROUND 5 MPH.
RATZER
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