870
FNUS53 KLOT 132102
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
402 PM CDT TUE OCT 13 2026
DISCUSSION
A SLOW-MOVING COLD FRONT WILL SAG SLOWLY SOUTH ACROSS THE AREA
TONIGHT, EVENTUALLY BECOMING STATIONARY ACROSS THE LOWER OHIO
VALLEY BY LATE WEDNESDAY. SHOWERS AND THUNDERSTORMS ARE EXPECTED
TO DEVELOP ESPECIALLY LATER THIS EVENING INTO EARLY WEDNESDAY
MORNING ALONG THE FRONTAL ZONE, ESPECIALLY ALONG AND SOUTH OF THE
I-88 AND I-80 CORRIDORS ACROSS NORTHERN ILLINOIS AND NORTHWEST
INDIANA WHERE RAINFALL AMOUNTS OF UP TO A HALF INCH ARE POSSIBLE.
RAIN WILL SHIFT SOUTH OF THE AREA WITH THE FRONT BY EARLY
WEDNESDAY AFTERNOON. COOLER NORTH TO NORTHEAST WINDS WILL MAKE FOR
COOLER TEMPERATURES ACROSS MOST OF THE AREA WEDNESDAY, WITH HIGHS
MAINLY IN THE MID-UPPER 60S, THOUGH SOME 70-DEGREE WARMTH WILL
LINGER ALONG AND SOUTH OF THE US 24 CORRIDOR.
DRY WEATHER WILL PERSIST INTO WEDNESDAY NIGHT, BEFORE RAIN
CHANCES INCREASE AGAIN EARLY THURSDAY MORNING.
ILZ014-140930-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 70 20 40 90
MAX TEMP (24HR TREND) 66 (-13) 63
MIN RH % (24HR TREND) 72 (+20) 84
MIN TEMP (24HR TREND) 60 (-9) 55
MAX RH % (24HR TREND) 94 (+26) 90
20FT WIND AM (MPH) NE 7-10 E 6-8
20FT WIND PM (MPH) LGT/VAR NE 7-10 NE 8-9 E 6-8
PEAK WIND GUSTS (MPH) 19 19 15
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.00 0.75-1.00
11 AM MIXING HGT (FT) 2400 1600
MAX MIXING HGT (FT) 2800 1600
TRANSPORT WND (MPH) NE 13 E 11
VENT RATE (MPH-FT) 39200 19200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
CLOUDY. SHOWERS LIKELY IN THE EVENING. LOWS IN
THE UPPER 40S. EAST WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH WINDS
AROUND 15 MPH, DECREASING TO AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
ILZ006-140930-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 50 10 30 90
MAX TEMP (24HR TREND) 66 (-10) 61
MIN RH % (24HR TREND) 68 (+15) 84
MIN TEMP (24HR TREND) 57 (-11) 54
MAX RH % (24HR TREND) 98 (+26) 91
20FT WIND AM (MPH) NE 7-10 E 7-9
20FT WIND PM (MPH) LGT/VAR NE 7-10 NE 8-9 E 7-9
PEAK WIND GUSTS (MPH) 18 18 16
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 2600 1600
MAX MIXING HGT (FT) 3100 1800
TRANSPORT WND (MPH) NE 12 E 13
VENT RATE (MPH-FT) 40300 25200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
CLOUDY. SHOWERS LIKELY IN THE EVENING. LOWS IN
THE MID 40S. EAST WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. NORTHWEST WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN
THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
INZ001-140930-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 70 30 30 100
MAX TEMP (24HR TREND) 69 (-12) 65
MIN RH % (24HR TREND) 71 (+19) 84
MIN TEMP (24HR TREND) 62 (-4) 54
MAX RH % (24HR TREND) 97 (+20) 94
20FT WIND AM (MPH) NE 5-9 E 6-8
20FT WIND PM (MPH) LGT/VAR NE 5-9 NE 6-8 SE 6-8
PEAK WIND GUSTS (MPH) 20 20 14
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.50-0.75
11 AM MIXING HGT (FT) 2100 1400
MAX MIXING HGT (FT) 2400 1500
TRANSPORT WND (MPH) NE 13 E 12
VENT RATE (MPH-FT) 33600 19500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
SHOWERS IN THE EVENING. LOWS IN THE UPPER 40S.
SOUTHEAST WINDS AROUND 5 MPH, INCREASING TO NORTHWEST AROUND
15 MPH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE UPPER 30S.
NORTH WINDS AROUND 15 MPH, BECOMING NORTHWEST AROUND 5 MPH AFTER
MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
INZ002-140930-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 70 30 30 100
MAX TEMP (24HR TREND) 69 (-12) 65
MIN RH % (24HR TREND) 71 (+18) 83
MIN TEMP (24HR TREND) 61 (-7) 53
MAX RH % (24HR TREND) 96 (+20) 92
20FT WIND AM (MPH) NE 5-9 E 6-9
20FT WIND PM (MPH) LGT/VAR N 5-9 NE 6-7 SE 6-9
PEAK WIND GUSTS (MPH) 18 15
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.00 0.50-0.75
11 AM MIXING HGT (FT) 2000 1400
MAX MIXING HGT (FT) 2500 1400
TRANSPORT WND (MPH) NE 12 E 13
VENT RATE (MPH-FT) 32500 19600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
SHOWERS IN THE EVENING. LOWS AROUND 50.
SOUTHEAST WINDS AROUND 5 MPH, INCREASING TO NORTHWEST AROUND
15 MPH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 40. NORTH WINDS AROUND 15 MPH,
DECREASING TO AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
ILZ013-140930-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 70 20 40 90
MAX TEMP (24HR TREND) 66 (-12) 62
MIN RH % (24HR TREND) 73 (+20) 84
MIN TEMP (24HR TREND) 60 (-9) 55
MAX RH % (24HR TREND) 96 (+28) 91
20FT WIND AM (MPH) NE 7-9 E 6-8
20FT WIND PM (MPH) LGT/VAR NE 7-9 NE 7-9 E 6-8
PEAK WIND GUSTS (MPH) 17 16 14
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.00 0.75-1.00
11 AM MIXING HGT (FT) 2300 1500
MAX MIXING HGT (FT) 2900 1500
TRANSPORT WND (MPH) NE 12 E 13
VENT RATE (MPH-FT) 37700 21000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE UPPER 40S. EAST WINDS AROUND 10 MPH, BECOMING
NORTHWEST AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST WINDS
AROUND 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
ILZ012-140930-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 70 20 40 100
MAX TEMP (24HR TREND) 66 (-11) 62
MIN RH % (24HR TREND) 71 (+18) 87
MIN TEMP (24HR TREND) 59 (-7) 54
MAX RH % (24HR TREND) 98 (+24) 94
20FT WIND AM (MPH) NE 7-9 E 6-8
20FT WIND PM (MPH) LGT/VAR NE 7-9 NE 7-9 E 6-8
PEAK WIND GUSTS (MPH) 17 16 14
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.00 0.75-1.00
11 AM MIXING HGT (FT) 2200 1300
MAX MIXING HGT (FT) 3100 1400
TRANSPORT WND (MPH) NE 11 E 16
VENT RATE (MPH-FT) 37200 22400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 10 MPH, BECOMING
NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE LOWER 30S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT WINDS.
ILZ005-140930-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS NONE NONE SHOWERS
CHANCE PRECIP (%) 40 10 40 90
MAX TEMP (24HR TREND) 66 (-9) 61
MIN RH % (24HR TREND) 66 (+12) 87
MIN TEMP (24HR TREND) 57 (-9) 52
MAX RH % (24HR TREND) 98 (+20) 95
20FT WIND AM (MPH) NE 6-8 E 6-8
20FT WIND PM (MPH) LGT/VAR NE 6-8 NE 6-8 E 6-8
PEAK WIND GUSTS (MPH) 15 15 14
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 2500 1400
MAX MIXING HGT (FT) 3300 1400
TRANSPORT WND (MPH) NE 11 E 16
VENT RATE (MPH-FT) 39600 22400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 5 MPH, INCREASING TO
NORTHWEST AROUND 15 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. LIGHT WINDS.
ILZ004-140930-
BOONE-
INCLUDING THE CITY OF BELVIDERE
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS NONE NONE SHOWERS
CHANCE PRECIP (%) 40 10 40 90
MAX TEMP (24HR TREND) 66 (-9) 61
MIN RH % (24HR TREND) 64 (+11) 86
MIN TEMP (24HR TREND) 57 (-7) 52
MAX RH % (24HR TREND) 94 (+13) 96
20FT WIND AM (MPH) NE 6-8 E 6-8
20FT WIND PM (MPH) LGT/VAR NE 6-8 NE 6-8 E 6-8
PEAK WIND GUSTS (MPH) 15 15
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 2600 1200
MAX MIXING HGT (FT) 3500 1400
TRANSPORT WND (MPH) NE 10 E 16
VENT RATE (MPH-FT) 35000 22400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 10 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. LIGHT WINDS.
ILZ011-140930-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 50 100
MAX TEMP (24HR TREND) 66 (-11) 63
MIN RH % (24HR TREND) 68 (+14) 86
MIN TEMP (24HR TREND) 59 (-7) 53
MAX RH % (24HR TREND) 100 (+27) 95
20FT WIND AM (MPH) NE 7-8 E 6-8
20FT WIND PM (MPH) LGT/VAR NE 7-8 NE 7-9 E 6-8
PEAK WIND GUSTS (MPH) 16 16 14
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.01-0.05 0.75-1.00
11 AM MIXING HGT (FT) 2100 1300
MAX MIXING HGT (FT) 3300 1400
TRANSPORT WND (MPH) NE 11 E 16
VENT RATE (MPH-FT) 39600 22400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE LOWER 30S. NORTH WINDS AROUND 10 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 10 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT WINDS.
ILZ003-140930-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS NONE NONE SHOWERS
CHANCE PRECIP (%) 40 10 40 90
MAX TEMP (24HR TREND) 67 (-8) 62
MIN RH % (24HR TREND) 61 (+8) 85
MIN TEMP (24HR TREND) 57 (-6) 51
MAX RH % (24HR TREND) 93 (+12) 96
20FT WIND AM (MPH) NE 7-8 E 7-8
20FT WIND PM (MPH) LGT/VAR NE 7-8 NE 7-8 E 7-8
PEAK WIND GUSTS (MPH) 14 14
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 2600 1200
MAX MIXING HGT (FT) 3600 1400
TRANSPORT WND (MPH) NE 10 E 16
VENT RATE (MPH-FT) 36000 22400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 10 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTHWEST WINDS
AROUND 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. LIGHT WINDS.
ILZ008-140930-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS NONE SHOWERS TSTMS
CHANCE PRECIP (%) 60 10 60 100
MAX TEMP (24HR TREND) 67 (-9) 62
MIN RH % (24HR TREND) 62 (+8) 86
MIN TEMP (24HR TREND) 58 (-6) 52
MAX RH % (24HR TREND) 97 (+12) 96
20FT WIND AM (MPH) NE 7 E 6-7
20FT WIND PM (MPH) LGT/VAR NE 7 NE 6-8 E 6-7
PEAK WIND GUSTS (MPH) 15
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.05-0.10 0.75-1.00
11 AM MIXING HGT (FT) 2400 1200
MAX MIXING HGT (FT) 3500 1400
TRANSPORT WND (MPH) NE 10 E 13
VENT RATE (MPH-FT) 35000 19600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 10 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS 5 TO
10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. LIGHT WINDS.
ILZ010-140930-
LEE-
INCLUDING THE CITY OF DIXON
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 60 100
MAX TEMP (24HR TREND) 67 (-9) 63
MIN RH % (24HR TREND) 65 (+9) 86
MIN TEMP (24HR TREND) 59 (-5) 53
MAX RH % (24HR TREND) 99 (+19) 95
20FT WIND AM (MPH) NE 6-7 E 5-7
20FT WIND PM (MPH) LGT/VAR NE 6-7 NE 6-8 E 5-7
PEAK WIND GUSTS (MPH) 15
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.05-0.10 0.75-1.00
11 AM MIXING HGT (FT) 2000 1200
MAX MIXING HGT (FT) 3300 1300
TRANSPORT WND (MPH) NE 11 E 13
VENT RATE (MPH-FT) 39600 18200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
15 TO 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS AROUND
60. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT WINDS.
ILZ019-140930-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 30 60 100
MAX TEMP (24HR TREND) 68 (-12) 67
MIN RH % (24HR TREND) 71 (+19) 84
MIN TEMP (24HR TREND) 62 (-7) 54
MAX RH % (24HR TREND) 98 (+37) 95
20FT WIND AM (MPH) NE 5-7 E 5-6
20FT WIND PM (MPH) LGT/VAR NE 5-7 NE 6-9 E 5-6
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.05-0.10 0.75-1.00
11 AM MIXING HGT (FT) 1900 1300
MAX MIXING HGT (FT) 2800 1300
TRANSPORT WND (MPH) NE 12 E 13
VENT RATE (MPH-FT) 36400 18200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH, BECOMING
NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
15 TO 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
LOWER 60S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS AROUND 40. SOUTH WINDS AROUND
5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT WINDS.
ILZ020-140930-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 50 100
MAX TEMP (24HR TREND) 67 (-12) 64
MIN RH % (24HR TREND) 72 (+20) 86
MIN TEMP (24HR TREND) 61 (-7) 54
MAX RH % (24HR TREND) 98 (+29) 95
20FT WIND AM (MPH) NE 6-9 E 6-8
20FT WIND PM (MPH) LGT/VAR NE 6-9 NE 7-9 E 6-8
PEAK WIND GUSTS (MPH) 17 17 14
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.01-0.05 0.75-1.00
11 AM MIXING HGT (FT) 2000 1300
MAX MIXING HGT (FT) 2900 1400
TRANSPORT WND (MPH) NE 13 E 13
VENT RATE (MPH-FT) 40600 19600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
LOWER 60S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
ILZ021-140930-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 30 50 100
MAX TEMP (24HR TREND) 69 (-13) 66
MIN RH % (24HR TREND) 73 (+25) 87
MIN TEMP (24HR TREND) 63 (-7) 55
MAX RH % (24HR TREND) 98 (+35) 96
20FT WIND AM (MPH) LGT/VAR E 5-6
20FT WIND PM (MPH) LGT/VAR NE 4-7 NE 5-8 E 5-6
PEAK WIND GUSTS (MPH) 16 16
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.05-0.10 0.75-1.00
11 AM MIXING HGT (FT) 2100 1300
MAX MIXING HGT (FT) 2600 1400
TRANSPORT WND (MPH) NE 13 E 13
VENT RATE (MPH-FT) 36400 19600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE UPPER 40S. NORTH WINDS AROUND 5 MPH, INCREASING TO
NORTHWEST AROUND 15 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
15 TO 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
LOWER 60S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
ILZ022-140930-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 70 30 40 100
MAX TEMP (24HR TREND) 68 (-13) 65
MIN RH % (24HR TREND) 73 (+22) 86
MIN TEMP (24HR TREND) 62 (-7) 54
MAX RH % (24HR TREND) 98 (+30) 95
20FT WIND AM (MPH) NE 5-9 E 6-8
20FT WIND PM (MPH) LGT/VAR NE 5-9 NE 7-9 E 6-8
PEAK WIND GUSTS (MPH) 18 17
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.00 0.75-1.00
11 AM MIXING HGT (FT) 2100 1300
MAX MIXING HGT (FT) 2600 1400
TRANSPORT WND (MPH) NE 14 E 13
VENT RATE (MPH-FT) 39000 19600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
CLOUDY. SHOWERS LIKELY IN THE EVENING. LOWS IN
THE UPPER 40S. EAST WINDS AROUND 10 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. PATCHY FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
LOWER 60S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
ILZ032-140930-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 30 60 100
MAX TEMP (24HR TREND) 70 (-14) 70
MIN RH % (24HR TREND) 73 (+26) 80
MIN TEMP (24HR TREND) 64 (-6) 55
MAX RH % (24HR TREND) 98 (+36) 97
20FT WIND AM (MPH) LGT/VAR E 5
20FT WIND PM (MPH) LGT/VAR NE 3-7 NE 5-7 S 5
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.10-0.25 0.50-0.75
11 AM MIXING HGT (FT) 1900 1300
MAX MIXING HGT (FT) 2600 1400
TRANSPORT WND (MPH) NE 12 S 13
VENT RATE (MPH-FT) 33800 19600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE MID 40S. WEST WINDS AROUND 5 MPH, INCREASING TO
NORTHWEST AROUND 15 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
LOWER 60S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
ILZ023-140930-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 70 30 40 100
MAX TEMP (24HR TREND) 69 (-15) 67
MIN RH % (24HR TREND) 70 (+23) 84
MIN TEMP (24HR TREND) 63 (-5) 54
MAX RH % (24HR TREND) 98 (+31) 98
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) LGT/VAR NE 3-7 LGT/VAR SE 4-6
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.50-0.75
11 AM MIXING HGT (FT) 2100 1300
MAX MIXING HGT (FT) 2500 1400
TRANSPORT WND (MPH) NE 13 E 13
VENT RATE (MPH-FT) 35000 19600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
CLOUDY. SHOWERS LIKELY IN THE EVENING. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH, INCREASING TO
NORTHWEST AROUND 15 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. PATCHY FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTH WINDS AROUND 10 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
LOWER 60S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. LIGHT WINDS.
ILZ039-140930-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 40 50 100
MAX TEMP (24HR TREND) 73 (-13) 72
MIN RH % (24HR TREND) 69 (+24) 78
MIN TEMP (24HR TREND) 65 (-3) 56
MAX RH % (24HR TREND) 97 (+28) 95
20FT WIND AM (MPH) LGT/VAR E 5
20FT WIND PM (MPH) LGT/VAR NE 3-6 NE 5-7 S 5
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.10-0.25 0.50-0.75
11 AM MIXING HGT (FT) 1800 1500
MAX MIXING HGT (FT) 2500 1800
TRANSPORT WND (MPH) NE 11 SE 13
VENT RATE (MPH-FT) 30000 25200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
15 TO 20 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. PATCHY FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
LOWER 60S. LIGHT WINDS, BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
ILZ033-140930-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 60 40 40 100
MAX TEMP (24HR TREND) 73 (-13) 71
MIN RH % (24HR TREND) 67 (+23) 79
MIN TEMP (24HR TREND) 64 (-3) 55
MAX RH % (24HR TREND) 98 (+28) 94
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) LGT/VAR NE 2-5 LGT/VAR S 4-5
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.50-0.75
11 AM MIXING HGT (FT) 1800 1600
MAX MIXING HGT (FT) 2600 1800
TRANSPORT WND (MPH) NE 12 SE 12
VENT RATE (MPH-FT) 33800 23400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. PATCHY FROST AFTER MIDNIGHT.
COLDER. LOWS IN THE MID 30S. NORTHWEST WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. PATCHY FROST IN THE MORNING. HIGHS IN THE
LOWER 60S. LIGHT WINDS.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
INZ010-140930-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 60 30 40 100
MAX TEMP (24HR TREND) 71 (-14) 70
MIN RH % (24HR TREND) 68 (+22) 81
MIN TEMP (24HR TREND) 63 (-3) 55
MAX RH % (24HR TREND) 95 (+20) 93
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) LGT/VAR NE 2-6 NE 5-6 SE 4-6
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.50-0.75
11 AM MIXING HGT (FT) 2000 1400
MAX MIXING HGT (FT) 2600 1400
TRANSPORT WND (MPH) NE 12 E 13
VENT RATE (MPH-FT) 33800 19600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH,
INCREASING TO NORTHWEST AROUND 15 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE MID 30S.
NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS AROUND 60. LIGHT WINDS.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
INZ011-140930-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
402 PM CDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 50 30 30 100
MAX TEMP (24HR TREND) 71 (-14) 69
MIN RH % (24HR TREND) 69 (+23) 81
MIN TEMP (24HR TREND) 63 (-4) 55
MAX RH % (24HR TREND) 94 (+16) 93
20FT WIND AM (MPH) LGT/VAR E 5-7
20FT WIND PM (MPH) LGT/VAR NE 3-6 NE 5-6 SE 5-7
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.50-0.75
11 AM MIXING HGT (FT) 2000 1500
MAX MIXING HGT (FT) 2700 1500
TRANSPORT WND (MPH) N 13 E 13
VENT RATE (MPH-FT) 37800 21000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH,
INCREASING TO NORTHWEST AROUND 15 MPH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE UPPER 30S.
NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS AROUND 60. LIGHT WINDS, BECOMING
SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
INZ019-140930-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
502 PM EDT TUE OCT 13 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE TSTMS
CHANCE PRECIP (%) 40 40 40 100
MAX TEMP (24HR TREND) 74 (-12) 72
MIN RH % (24HR TREND) 67 (+23) 80
MIN TEMP (24HR TREND) 65 (-2) 57
MAX RH % (24HR TREND) 95 (+18) 92
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) LGT/VAR NE 1-5 NE 5-6 S 4-6
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.25-0.50
11 AM MIXING HGT (FT) 1700 1600
MAX MIXING HGT (FT) 2500 2000
TRANSPORT WND (MPH) N 11 SE 11
VENT RATE (MPH-FT) 30000 24000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING. LOWS AROUND 50. SOUTHWEST WINDS AROUND 5 MPH, INCREASING
TO WEST AROUND 15 MPH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS IN THE UPPER 30S.
NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS AROUND 60. LIGHT WINDS.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
RATZER
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