772
FNUS53 KLOT 172053
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
353 PM CDT TUE MAR 17 2026
DISCUSSION
A PERIOD OF LIGHT SNOW IS EXPECTED FROM LATE THIS EVENING THROUGH
EARLY WEDNESDAY MORNING. SNOWFALL AMOUNTS ARE EXPECTED TO BE
RELATIVELY LIGHT, RANGING FROM AN INCH OR LESS ACROSS MOST OF
NORTHWEST INDIANA AND NORTHEAST ILLINOIS, TO AROUND AN INCH AND A
HALF ACROSS NORTH CENTRAL ILLINOIS WEST OF THE FOX VALLEY AND THE
I-55 CORRIDOR. ANOTHER WEAK DISTURBANCE WILL BRING A CHANCE OF
LIGHT RAIN SHOWERS LATE WEDNESDAY NIGHT INTO THURSDAY MORNING. DRY
WEATHER IS THEN EXPECTED THROUGH THE REMAINDER OF THE WEEK,
EXCEPT FOR A SLIGHT CHANCE OF RAIN SHOWERS LATE SATURDAY NIGHT
INTO SUNDAY MORNING.
WHILE WARMER TEMPERATURES ARE EXPECTED LATER THIS WEEK INTO THIS
WEEKEND, A COLD FRONT WILL SHIFT WINDS NORTHEASTERLY THURSDAY
AFTERNOON WITH COOLER TEMPERATURES, ESPECIALLY NEAR LAKE MICHIGAN.
ANOTHER STRONGER COLD FRONT IS EXPECTED TO MOVE ACROSS THE AREA
SUNDAY. DRY WEATHER IS EXPECTED NEXT MONDAY AND TUESDAY.
ILZ014-180930-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 20 30 30
MAX TEMP (24HR TREND) 43 (+19) 50
MIN RH % (24HR TREND) 67 (+23) 77
MIN TEMP (24HR TREND) 19 (+5) 34
MAX RH % (24HR TREND) 88 (+19) 97
20FT WIND AM (MPH) S 7-10 LGT/VAR
20FT WIND PM (MPH) SW 7-10 SW 7-10 LGT/VAR N 4-5
PEAK WIND GUSTS (MPH) 19 19
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2200 1000
MAX MIXING HGT (FT) 2500 1800
TRANSPORT WND (MPH) SW 11 N 11
VENT RATE (MPH-FT) 30000 21600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
AROUND 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 30. NORTHEAST WINDS AROUND 10 MPH,
BECOMING EAST AFTER MIDNIGHT.
ILZ006-180930-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW/FZ RA FRZ DRZL SHOWERS SHOWERS
CHANCE PRECIP (%) 100 10 40 20
MAX TEMP (24HR TREND) 39 (+16) 47
MIN RH % (24HR TREND) 73 (+29) 83
MIN TEMP (24HR TREND) 16 (+6) 33
MAX RH % (24HR TREND) 90 (+24) 98
20FT WIND AM (MPH) S 7-9 LGT/VAR
20FT WIND PM (MPH) S 7-10 SW 7-9 LGT/VAR N 4-5
PEAK WIND GUSTS (MPH) 19 18
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2100 700
MAX MIXING HGT (FT) 2200 1400
TRANSPORT WND (MPH) SW 14 N 12
VENT RATE (MPH-FT) 33000 18200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS AROUND
15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE UPPER 20S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS AROUND 40. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
INZ001-180930-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SNOW SHOWERS SHOWERS
CHANCE PRECIP (%) 100 20 30 30
MAX TEMP (24HR TREND) 44 (+19) 51
MIN RH % (24HR TREND) 61 (+14) 80
MIN TEMP (24HR TREND) 21 (+5) 33
MAX RH % (24HR TREND) 88 (+11) 100
20FT WIND AM (MPH) S 8-11 LGT/VAR
20FT WIND PM (MPH) SW 6-10 SW 8-11 LGT/VAR NW 4-5
PEAK WIND GUSTS (MPH) 19 18
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2200 1000
MAX MIXING HGT (FT) 2900 2100
TRANSPORT WND (MPH) SW 13 N 9
VENT RATE (MPH-FT) 40600 18900
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 60S. SOUTH WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN
THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. MUCH COLDER. HIGHS IN THE LOWER 40S.
NORTH WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 30. NORTHEAST WINDS AROUND 10 MPH,
BECOMING EAST AFTER MIDNIGHT.
INZ002-180930-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SNOW SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 30 40
MAX TEMP (24HR TREND) 43 (+18) 49
MIN RH % (24HR TREND) 58 (+14) 79
MIN TEMP (24HR TREND) 20 (+3) 33
MAX RH % (24HR TREND) 86 (+8) 99
20FT WIND AM (MPH) S 9-12 LGT/VAR
20FT WIND PM (MPH) SW 6-10 SW 9-12 LGT/VAR NW 4-5
PEAK WIND GUSTS (MPH) 18 19
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2300 900
MAX MIXING HGT (FT) 3000 2100
TRANSPORT WND (MPH) SW 14 NW 9
VENT RATE (MPH-FT) 45000 18900
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE MID 60S. SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE LOWER 40S.
NORTH WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHEAST WINDS AROUND
10 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ013-180930-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 10 30 30
MAX TEMP (24HR TREND) 41 (+17) 50
MIN RH % (24HR TREND) 69 (+21) 77
MIN TEMP (24HR TREND) 19 (+7) 33
MAX RH % (24HR TREND) 90 (+20) 99
20FT WIND AM (MPH) S 7-9 LGT/VAR
20FT WIND PM (MPH) S 7-10 SW 7-9 LGT/VAR N 4-6
PEAK WIND GUSTS (MPH) 17 16
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2100 900
MAX MIXING HGT (FT) 2400 2100
TRANSPORT WND (MPH) SW 13 N 12
VENT RATE (MPH-FT) 33600 27300
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE UPPER 60S. SOUTH
WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
AROUND 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHEAST WINDS AROUND
10 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ012-180930-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 10 40 20
MAX TEMP (24HR TREND) 41 (+19) 50
MIN RH % (24HR TREND) 71 (+22) 80
MIN TEMP (24HR TREND) 17 (+8) 32
MAX RH % (24HR TREND) 91 (+13) 100
20FT WIND AM (MPH) S 7-9 LGT/VAR
20FT WIND PM (MPH) S 7-10 SW 7-9 LGT/VAR N 4-5
PEAK WIND GUSTS (MPH) 17 15
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 1900 900
MAX MIXING HGT (FT) 2100 2000
TRANSPORT WND (MPH) SW 12 N 12
VENT RATE (MPH-FT) 27300 26000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS
AROUND 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 60S. SOUTHEAST WINDS AROUND 10 MPH, BECOMING SOUTHWEST
IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS AROUND
15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE UPPER 20S.
NORTH WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS AROUND 10 MPH.
ILZ005-180930-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW/FZ RA NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 10 40 20
MAX TEMP (24HR TREND) 38 (+16) 46
MIN RH % (24HR TREND) 74 (+28) 83
MIN TEMP (24HR TREND) 15 (+8) 32
MAX RH % (24HR TREND) 91 (+18) 100
20FT WIND AM (MPH) S 8-9 LGT/VAR
20FT WIND PM (MPH) S 7-10 SW 8-9 LGT/VAR N 4-5
PEAK WIND GUSTS (MPH) 17 15
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 1900 700
MAX MIXING HGT (FT) 2000 1400
TRANSPORT WND (MPH) SW 14 N 12
VENT RATE (MPH-FT) 30000 18200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 60S. SOUTH
WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE UPPER 20S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS AROUND 5 MPH.
ILZ004-180930-
BOONE-
INCLUDING THE CITY OF BELVIDERE
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW/FZ RA NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 40 20
MAX TEMP (24HR TREND) 38 (+16) 45
MIN RH % (24HR TREND) 72 (+26) 82
MIN TEMP (24HR TREND) 16 (+11) 32
MAX RH % (24HR TREND) 92 (+17) 100
20FT WIND AM (MPH) S 7-8 LGT/VAR
20FT WIND PM (MPH) S 8-10 SW 7-8 LGT/VAR N 4-5
PEAK WIND GUSTS (MPH) 17 15
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 1700 600
MAX MIXING HGT (FT) 1900 1100
TRANSPORT WND (MPH) SW 13 N 12
VENT RATE (MPH-FT) 26600 14300
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. WARMER.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS AROUND 60. SOUTHWEST WINDS AROUND 15 MPH, BECOMING
NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS IN THE UPPER 20S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS 5 TO 10 MPH.
ILZ011-180930-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 30 20
MAX TEMP (24HR TREND) 40 (+18) 49
MIN RH % (24HR TREND) 72 (+21) 79
MIN TEMP (24HR TREND) 16 (+9) 32
MAX RH % (24HR TREND) 93 (+17) 100
20FT WIND AM (MPH) S 7-9 LGT/VAR
20FT WIND PM (MPH) S 8-11 SW 7-9 LGT/VAR N 4-5
PEAK WIND GUSTS (MPH) 18 15
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 1700 700
MAX MIXING HGT (FT) 1900 1700
TRANSPORT WND (MPH) SW 11 N 12
VENT RATE (MPH-FT) 22800 22100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. WARMER.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS IN THE UPPER 20S.
NORTH WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS AROUND 10 MPH.
ILZ003-180930-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW/FZ RA NONE SHOWERS NONE
CHANCE PRECIP (%) 100 30 10
MAX TEMP (24HR TREND) 39 (+16) 46
MIN RH % (24HR TREND) 71 (+28) 77
MIN TEMP (24HR TREND) 17 (+12) 32
MAX RH % (24HR TREND) 88 (+12) 99
20FT WIND AM (MPH) S 7-8 LGT/VAR
20FT WIND PM (MPH) S 8-10 SW 7-8 LGT/VAR N 4-5
PEAK WIND GUSTS (MPH) 17 14
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1700 600
MAX MIXING HGT (FT) 1900 1000
TRANSPORT WND (MPH) SW 11 N 11
VENT RATE (MPH-FT) 22800 12000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. WARMER.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS AROUND 60. WEST WINDS AROUND 15 MPH, BECOMING
NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS IN THE UPPER 20S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS IN THE LOWER 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS
AROUND 10 MPH.
ILZ008-180930-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS NONE
CHANCE PRECIP (%) 100 30 10
MAX TEMP (24HR TREND) 39 (+17) 47
MIN RH % (24HR TREND) 72 (+25) 77
MIN TEMP (24HR TREND) 17 (+11) 32
MAX RH % (24HR TREND) 91 (+19) 99
20FT WIND AM (MPH) S 6-8 LGT/VAR
20FT WIND PM (MPH) S 8-11 SW 6-8 LGT/VAR N 4-5
PEAK WIND GUSTS (MPH) 18 14
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1600 700
MAX MIXING HGT (FT) 1800 1200
TRANSPORT WND (MPH) SW 10 N 11
VENT RATE (MPH-FT) 18000 14400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. WARMER.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS IN THE UPPER 20S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS IN THE MID 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS AROUND 10 MPH.
ILZ010-180930-
LEE-
INCLUDING THE CITY OF DIXON
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS NONE
CHANCE PRECIP (%) 100 30 10
MAX TEMP (24HR TREND) 40 (+18) 48
MIN RH % (24HR TREND) 73 (+22) 78
MIN TEMP (24HR TREND) 17 (+11) 32
MAX RH % (24HR TREND) 93 (+21) 99
20FT WIND AM (MPH) S 6-7 SW 5
20FT WIND PM (MPH) S 8-11 SW 6-7 LGT/VAR N 5
PEAK WIND GUSTS (MPH) 19 14
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1500 800
MAX MIXING HGT (FT) 1600 1400
TRANSPORT WND (MPH) SW 9 N 13
VENT RATE (MPH-FT) 14400 19600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. WEST WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 60S. SOUTHEAST WINDS AROUND 10 MPH, BECOMING SOUTHWEST
IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS IN THE UPPER 20S.
NORTH WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. COOLER. HIGHS IN THE MID 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS AROUND 10 MPH.
ILZ019-180930-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 20 20
MAX TEMP (24HR TREND) 44 (+21) 56
MIN RH % (24HR TREND) 68 (+17) 72
MIN TEMP (24HR TREND) 19 (+9) 32
MAX RH % (24HR TREND) 92 (+16) 98
20FT WIND AM (MPH) S 6-9 SW 5-6
20FT WIND PM (MPH) S 8-11 SW 6-9 LGT/VAR NW 5-6
PEAK WIND GUSTS (MPH) 18 16
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1000
MAX MIXING HGT (FT) 2100 2300
TRANSPORT WND (MPH) SW 10 N 13
VENT RATE (MPH-FT) 21000 32200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH, BECOMING SOUTHWEST
IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 30. NORTH
WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. COOLER. HIGHS IN THE MID 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS AROUND 10 MPH.
ILZ020-180930-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 10 30 20
MAX TEMP (24HR TREND) 43 (+19) 52
MIN RH % (24HR TREND) 67 (+18) 78
MIN TEMP (24HR TREND) 19 (+8) 32
MAX RH % (24HR TREND) 91 (+13) 100
20FT WIND AM (MPH) S 7-9 LGT/VAR
20FT WIND PM (MPH) S 8-10 SW 7-9 LGT/VAR N 4-6
PEAK WIND GUSTS (MPH) 17 16
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2000 900
MAX MIXING HGT (FT) 2300 2200
TRANSPORT WND (MPH) SW 11 N 12
VENT RATE (MPH-FT) 27600 28600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 60S. SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 30. NORTH
WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. COLDER. HIGHS IN THE MID 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS AROUND 10 MPH.
ILZ021-180930-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 10 20 20
MAX TEMP (24HR TREND) 45 (+20) 55
MIN RH % (24HR TREND) 64 (+14) 77
MIN TEMP (24HR TREND) 20 (+8) 33
MAX RH % (24HR TREND) 92 (+12) 100
20FT WIND AM (MPH) S 7-10 LGT/VAR
20FT WIND PM (MPH) S 7-11 SW 7-10 LGT/VAR NW 4-6
PEAK WIND GUSTS (MPH) 18 16
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2000 1000
MAX MIXING HGT (FT) 2500 2400
TRANSPORT WND (MPH) W 11 N 13
VENT RATE (MPH-FT) 30000 33600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE LOWER 70S. SOUTH WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN
THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS 10 TO 15 MPH.
MONDAY
PARTLY SUNNY. COOLER. HIGHS IN THE MID 40S. NORTHEAST
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS AROUND 10 MPH.
ILZ022-180930-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 10 20 30
MAX TEMP (24HR TREND) 44 (+19) 54
MIN RH % (24HR TREND) 64 (+14) 79
MIN TEMP (24HR TREND) 20 (+6) 33
MAX RH % (24HR TREND) 92 (+14) 100
20FT WIND AM (MPH) S 7-10 LGT/VAR
20FT WIND PM (MPH) S 7-10 SW 7-10 LGT/VAR NW 4-6
PEAK WIND GUSTS (MPH) 17 16
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2100 1000
MAX MIXING HGT (FT) 2600 2400
TRANSPORT WND (MPH) SW 12 N 11
VENT RATE (MPH-FT) 33800 28800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 60S. SOUTHEAST WINDS AROUND 10 MPH, BECOMING SOUTHWEST
IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. MUCH COLDER. HIGHS IN THE LOWER 40S.
NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS AROUND 10 MPH.
ILZ032-180930-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE NONE SHOWERS
CHANCE PRECIP (%) 100 10 10 20
MAX TEMP (24HR TREND) 46 (+21) 58
MIN RH % (24HR TREND) 61 (+7) 74
MIN TEMP (24HR TREND) 21 (+10) 33
MAX RH % (24HR TREND) 90 (+9) 100
20FT WIND AM (MPH) S 7-10 S 6-7
20FT WIND PM (MPH) S 8-12 SW 7-10 LGT/VAR NW 6-7
PEAK WIND GUSTS (MPH) 20 19 13
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 1100
MAX MIXING HGT (FT) 2600 2600
TRANSPORT WND (MPH) W 11 NW 13
VENT RATE (MPH-FT) 31200 36400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH, BECOMING SOUTHWEST
IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 30. NORTH
WINDS AROUND 15 MPH.
MONDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 40S.
NORTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. EAST WINDS
AROUND 10 MPH.
ILZ023-180930-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 100 10 20 30
MAX TEMP (24HR TREND) 45 (+19) 55
MIN RH % (24HR TREND) 60 (+7) 78
MIN TEMP (24HR TREND) 21 (+6) 33
MAX RH % (24HR TREND) 91 (+12) 100
20FT WIND AM (MPH) S 8-11 LGT/VAR
20FT WIND PM (MPH) S 6-10 SW 8-11 LGT/VAR NW 4-6
PEAK WIND GUSTS (MPH) 18 18
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2200 1000
MAX MIXING HGT (FT) 2800 2500
TRANSPORT WND (MPH) SW 12 N 12
VENT RATE (MPH-FT) 36400 32500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS AROUND 60. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN
THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 40S.
NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHEAST
WINDS AROUND 10 MPH.
ILZ039-180930-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE NONE SHOWERS
CHANCE PRECIP (%) 100 10 10 20
MAX TEMP (24HR TREND) 48 (+22) 60
MIN RH % (24HR TREND) 54 (+2) 68
MIN TEMP (24HR TREND) 22 (+9) 33
MAX RH % (24HR TREND) 88 (+8) 100
20FT WIND AM (MPH) S 8-12 S 7
20FT WIND PM (MPH) S 7-12 SW 8-12 LGT/VAR NW 7
PEAK WIND GUSTS (MPH) 20 19 13
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2200 1100
MAX MIXING HGT (FT) 2900 2900
TRANSPORT WND (MPH) W 12 NW 12
VENT RATE (MPH-FT) 37700 37700
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS AROUND 5 MPH, BECOMING
SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 10 MPH.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH, BECOMING SOUTHWEST
IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND
15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 15 MPH.
MONDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE UPPER 40S.
NORTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHEAST
WINDS AROUND 10 MPH.
ILZ033-180930-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW NONE NONE SHOWERS
CHANCE PRECIP (%) 100 10 10 20
MAX TEMP (24HR TREND) 48 (+22) 58
MIN RH % (24HR TREND) 53 (+3) 69
MIN TEMP (24HR TREND) 22 (+8) 33
MAX RH % (24HR TREND) 88 (+6) 100
20FT WIND AM (MPH) S 10-15 S 5-6
20FT WIND PM (MPH) S 7-11 SW 10-15 LGT/VAR W 5-6
PEAK WIND GUSTS (MPH) 19 19
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2200 1100
MAX MIXING HGT (FT) 3200 2700
TRANSPORT WND (MPH) SW 12 NW 12
VENT RATE (MPH-FT) 41600 35100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS AROUND 5 MPH, BECOMING
SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH, BECOMING SOUTHWEST
IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE MID 40S.
NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHEAST
WINDS 5 TO 10 MPH.
INZ010-180930-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SNOW SHOWERS SHOWERS
CHANCE PRECIP (%) 100 20 20 30
MAX TEMP (24HR TREND) 46 (+20) 55
MIN RH % (24HR TREND) 54 (+6) 77
MIN TEMP (24HR TREND) 22 (+6) 33
MAX RH % (24HR TREND) 89 (+8) 99
20FT WIND AM (MPH) S 10-15 LGT/VAR
20FT WIND PM (MPH) SW 6-10 SW 10-15 LGT/VAR NW 4-6
PEAK WIND GUSTS (MPH) 18 19
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2300 1000
MAX MIXING HGT (FT) 3300 2600
TRANSPORT WND (MPH) SW 14 NW 11
VENT RATE (MPH-FT) 49500 31200
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS AROUND 60. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN
THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 40S.
NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHEAST
WINDS 5 TO 10 MPH.
INZ011-180930-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
353 PM CDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SNOW SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 20 30
MAX TEMP (24HR TREND) 45 (+19) 53
MIN RH % (24HR TREND) 55 (+9) 81
MIN TEMP (24HR TREND) 22 (+5) 33
MAX RH % (24HR TREND) 86 (+2) 99
20FT WIND AM (MPH) S 10-15 LGT/VAR
20FT WIND PM (MPH) SW 6-10 SW 10-15 LGT/VAR W 4-6
PEAK WIND GUSTS (MPH) 18 19
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2300 900
MAX MIXING HGT (FT) 3300 2600
TRANSPORT WND (MPH) SW 16 NW 9
VENT RATE (MPH-FT) 52800 23400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS AROUND 60. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 60S. SOUTH WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN
THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING WEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. MUCH COLDER. HIGHS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 30. NORTHEAST WINDS
5 TO 10 MPH.
INZ019-180930-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
453 PM EDT TUE MAR 17 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER CLOUDY PCLDY MCLDY PCLDY
PRECIP TYPE SNOW SNOW NONE SHOWERS
CHANCE PRECIP (%) 100 20 10 30
MAX TEMP (24HR TREND) 47 (+21) 55
MIN RH % (24HR TREND) 56 (+9) 75
MIN TEMP (24HR TREND) 22 (+7) 34
MAX RH % (24HR TREND) 88 (+3) 99
20FT WIND AM (MPH) S 10-15 S 5-6
20FT WIND PM (MPH) SW 6-10 SW 10-15 LGT/VAR W 5-6
PEAK WIND GUSTS (MPH) 19 19
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.01-0.05
11 AM MIXING HGT (FT) 2300 1000
MAX MIXING HGT (FT) 3300 2600
TRANSPORT WND (MPH) SW 16 W 12
VENT RATE (MPH-FT) 52800 33800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70. SOUTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 15 MPH, BECOMING WEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE LOWER 30S.
NORTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE MID 40S.
NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 30. NORTHEAST WINDS 5 TO 10 MPH.
RATZER
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