135
FNUS53 KLOT 210859
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
359 AM CDT MON SEP 21 2026
DISCUSSION
SPOTTY DRIZZLE OR LIGHT RAIN SHOWERS WILL CONTINUE IN SOME PLACES
THIS MORNING, WITH SOME LOW (20-30 PERCENT) CHANCES OF ADDITIONAL
SHOWERS MAINLY WEST OF THE FOX RIVER VALLEY IN NORTHERN ILLINOIS
THROUGH TUESDAY MORNING. OTHERWISE, IT WILL BE BREEZY WITH
NORTHEAST WINDS GUSTING UP TO 25 MPH AT TIMES WITH COOLER THAN
AVERAGE TEMPERATURES THROUGH MID-WEEK.
WINDS WILL DIMINISH MID AND LATE-WEEK AS HIGH PRESSURE SETTLES
ACROSS THE AREA. DAYTIME TEMPERATURES WILL GENERALLY BE IN THE 60S
WITH NIGHTTIME LOWS IN THE 40S AND LOWER 50S. A SLIGHT MODERATION
IN TEMPERATURES INTO THE LOWER 70S IS POSSIBLE BY THE WEEKEND.
ILZ014-212115-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30 10 10
MAX TEMP (24HR TREND) 64 (-3) 64
MIN RH % (24HR TREND) 71 (-23) 59
MIN TEMP (24HR TREND) 53 (-5) 52
MAX RH % (24HR TREND) 92 (-3) 94
20FT WIND AM (MPH) NE 10-15 NE 11-12
20FT WIND PM (MPH) NE 10-15 NE 9-11 NE 11-12 NE 8-9
PEAK WIND GUSTS (MPH) 25 24 23 23
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2100 2700
MAX MIXING HGT (FT) 2800 3500
TRANSPORT WND (MPH) NE 18 NE 17
VENT RATE (MPH-FT) 50400 59500
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST WINDS AROUND 5 MPH
IN THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. LIGHT
WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ006-212115-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 10
MAX TEMP (24HR TREND) 63 (-2) 62
MIN RH % (24HR TREND) 70 (-26) 63
MIN TEMP (24HR TREND) 51 (-6) 50
MAX RH % (24HR TREND) 97 (+2) 100
20FT WIND AM (MPH) E 10-15 NE 10-15
20FT WIND PM (MPH) NE 10-15 NE 9-10 NE 10-15 NE 7-9
PEAK WIND GUSTS (MPH) 26 21 23 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2300 3100
MAX MIXING HGT (FT) 2800 3700
TRANSPORT WND (MPH) NE 19 NE 18
VENT RATE (MPH-FT) 56000 66600
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
INZ001-212115-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30 10 10
MAX TEMP (24HR TREND) 64 (-5) 64
MIN RH % (24HR TREND) 75 (-20) 62
MIN TEMP (24HR TREND) 50 (-6) 50
MAX RH % (24HR TREND) 90 (-9) 93
20FT WIND AM (MPH) NE 10-11 NE 9-10
20FT WIND PM (MPH) NE 10-11 NE 8-9 NE 9-10 NE 6-7
PEAK WIND GUSTS (MPH) 21 21 20
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1700 1800
MAX MIXING HGT (FT) 2200 3300
TRANSPORT WND (MPH) NE 16 NE 16
VENT RATE (MPH-FT) 35200 52800
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
INZ002-212115-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30 10
MAX TEMP (24HR TREND) 64 (-5) 65
MIN RH % (24HR TREND) 72 (-22) 59
MIN TEMP (24HR TREND) 50 (-5) 50
MAX RH % (24HR TREND) 89 (-10) 93
20FT WIND AM (MPH) NE 10-11 NE 9
20FT WIND PM (MPH) NE 10-11 NE 8-9 NE 9 NE 7
PEAK WIND GUSTS (MPH) 20 20 17
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1600 1800
MAX MIXING HGT (FT) 2300 3400
TRANSPORT WND (MPH) NE 16 NE 14
VENT RATE (MPH-FT) 36800 51000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
ILZ013-212115-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 10
MAX TEMP (24HR TREND) 63 (-4) 63
MIN RH % (24HR TREND) 72 (-23) 60
MIN TEMP (24HR TREND) 53 (-5) 51
MAX RH % (24HR TREND) 95 (0) 97
20FT WIND AM (MPH) NE 10-15 NE 11-12
20FT WIND PM (MPH) NE 10-15 NE 9-10 NE 11-12 NE 7-9
PEAK WIND GUSTS (MPH) 23 18 21 15
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2100 2700
MAX MIXING HGT (FT) 2700 3400
TRANSPORT WND (MPH) NE 18 NE 17
VENT RATE (MPH-FT) 48600 57800
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ012-212115-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 20
MAX TEMP (24HR TREND) 63 (-3) 62
MIN RH % (24HR TREND) 74 (-22) 64
MIN TEMP (24HR TREND) 52 (-5) 49
MAX RH % (24HR TREND) 97 (+1) 100
20FT WIND AM (MPH) NE 10-15 NE 11-12
20FT WIND PM (MPH) NE 10-15 NE 9 NE 11-12 NE 6-8
PEAK WIND GUSTS (MPH) 24 18 21 14
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2000 2800
MAX MIXING HGT (FT) 2600 3300
TRANSPORT WND (MPH) NE 19 NE 18
VENT RATE (MPH-FT) 52000 59400
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 70. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ005-212115-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 20
MAX TEMP (24HR TREND) 62 (-2) 61
MIN RH % (24HR TREND) 71 (-26) 66
MIN TEMP (24HR TREND) 50 (-6) 48
MAX RH % (24HR TREND) 96 (0) 100
20FT WIND AM (MPH) E 10-15 NE 10-12
20FT WIND PM (MPH) NE 10-15 NE 8-9 NE 10-12 NE 5-7
PEAK WIND GUSTS (MPH) 24 18 20
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2100 3100
MAX MIXING HGT (FT) 2800 3600
TRANSPORT WND (MPH) NE 20 NE 18
VENT RATE (MPH-FT) 58800 64800
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. LIGHT WINDS,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ004-212115-
BOONE-
INCLUDING THE CITY OF BELVIDERE
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 10 20 20
MAX TEMP (24HR TREND) 62 (-2) 61
MIN RH % (24HR TREND) 73 (-21) 64
MIN TEMP (24HR TREND) 50 (-6) 47
MAX RH % (24HR TREND) 97 (+4) 100
20FT WIND AM (MPH) E 10-15 NE 10-12
20FT WIND PM (MPH) NE 10-15 NE 8-9 NE 10-12 NE 5-7
PEAK WIND GUSTS (MPH) 24 18 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 2700
MAX MIXING HGT (FT) 2700 3600
TRANSPORT WND (MPH) NE 19 NE 18
VENT RATE (MPH-FT) 54000 64800
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT WINDS.
ILZ011-212115-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 20
MAX TEMP (24HR TREND) 62 (-4) 63
MIN RH % (24HR TREND) 76 (-18) 62
MIN TEMP (24HR TREND) 51 (-6) 48
MAX RH % (24HR TREND) 97 (-1) 100
20FT WIND AM (MPH) NE 10-15 NE 11-12
20FT WIND PM (MPH) NE 10-15 NE 9-10 NE 11-12 NE 6-8
PEAK WIND GUSTS (MPH) 24 19 20
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 2500
MAX MIXING HGT (FT) 2200 3300
TRANSPORT WND (MPH) NE 19 NE 18
VENT RATE (MPH-FT) 44000 59400
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ003-212115-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 20
MAX TEMP (24HR TREND) 61 (-3) 62
MIN RH % (24HR TREND) 73 (-19) 63
MIN TEMP (24HR TREND) 50 (-5) 46
MAX RH % (24HR TREND) 99 (+8) 100
20FT WIND AM (MPH) NE 10-15 NE 10-12
20FT WIND PM (MPH) NE 10-15 NE 8-10 NE 10-12 NE 5-7
PEAK WIND GUSTS (MPH) 23 18 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 2700
MAX MIXING HGT (FT) 2400 3300
TRANSPORT WND (MPH) NE 20 NE 17
VENT RATE (MPH-FT) 50400 56100
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. LIGHT WINDS,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT WINDS.
ILZ008-212115-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 30 20
MAX TEMP (24HR TREND) 61 (-3) 63
MIN RH % (24HR TREND) 77 (-16) 62
MIN TEMP (24HR TREND) 50 (-6) 46
MAX RH % (24HR TREND) 99 (+2) 100
20FT WIND AM (MPH) NE 10-15 NE 10-11
20FT WIND PM (MPH) NE 10-15 NE 8-10 NE 10-11 NE 5-6
PEAK WIND GUSTS (MPH) 23 19 19
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1600 2300
MAX MIXING HGT (FT) 2000 3100
TRANSPORT WND (MPH) NE 19 NE 17
VENT RATE (MPH-FT) 40000 52700
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ010-212115-
LEE-
INCLUDING THE CITY OF DIXON
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 30 20
MAX TEMP (24HR TREND) 61 (-6) 63
MIN RH % (24HR TREND) 80 (-13) 62
MIN TEMP (24HR TREND) 52 (-5) 48
MAX RH % (24HR TREND) 100 (+2) 100
20FT WIND AM (MPH) NE 10-15 NE 10-11
20FT WIND PM (MPH) NE 10-15 NE 9-11 NE 10-11 NE 6-7
PEAK WIND GUSTS (MPH) 23 19 19
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1600 2300
MAX MIXING HGT (FT) 1900 3100
TRANSPORT WND (MPH) NE 18 NE 18
VENT RATE (MPH-FT) 34200 55800
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. EAST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. EAST WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ019-212115-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 20
MAX TEMP (24HR TREND) 63 (-8) 65
MIN RH % (24HR TREND) 77 (-15) 61
MIN TEMP (24HR TREND) 54 (-5) 51
MAX RH % (24HR TREND) 90 (-6) 95
20FT WIND AM (MPH) NE 11 NE 10-11
20FT WIND PM (MPH) NE 11 NE 9 NE 10-11 NE 5-7
PEAK WIND GUSTS (MPH) 23 19 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1700 2200
MAX MIXING HGT (FT) 2100 2800
TRANSPORT WND (MPH) NE 17 NE 17
VENT RATE (MPH-FT) 35700 47600
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. EAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS AROUND 70. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ020-212115-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 20
MAX TEMP (24HR TREND) 64 (-5) 64
MIN RH % (24HR TREND) 76 (-18) 63
MIN TEMP (24HR TREND) 53 (-6) 51
MAX RH % (24HR TREND) 94 (-3) 98
20FT WIND AM (MPH) NE 11-12 NE 10
20FT WIND PM (MPH) NE 11-12 NE 8-9 NE 10 NE 5-7
PEAK WIND GUSTS (MPH) 21 18 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 2100
MAX MIXING HGT (FT) 2300 3100
TRANSPORT WND (MPH) NE 17 NE 18
VENT RATE (MPH-FT) 39100 55800
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. EAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. EAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ021-212115-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 10
MAX TEMP (24HR TREND) 64 (-7) 66
MIN RH % (24HR TREND) 76 (-19) 62
MIN TEMP (24HR TREND) 55 (-4) 53
MAX RH % (24HR TREND) 89 (-10) 92
20FT WIND AM (MPH) NE 10-11 NE 9-10
20FT WIND PM (MPH) NE 10-11 NE 8 NE 9-10 NE 5-6
PEAK WIND GUSTS (MPH) 20 18 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 2100
MAX MIXING HGT (FT) 2200 3000
TRANSPORT WND (MPH) NE 17 NE 17
VENT RATE (MPH-FT) 37400 51000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ022-212115-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30 10 10
MAX TEMP (24HR TREND) 64 (-5) 64
MIN RH % (24HR TREND) 76 (-20) 62
MIN TEMP (24HR TREND) 52 (-6) 51
MAX RH % (24HR TREND) 92 (-7) 96
20FT WIND AM (MPH) NE 10-12 NE 10-11
20FT WIND PM (MPH) NE 10-12 NE 8-9 NE 10-11 NE 6-7
PEAK WIND GUSTS (MPH) 23 18 20
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 2100
MAX MIXING HGT (FT) 2200 3000
TRANSPORT WND (MPH) NE 17 NE 17
VENT RATE (MPH-FT) 37400 51000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ032-212115-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 10
MAX TEMP (24HR TREND) 65 (-8) 66
MIN RH % (24HR TREND) 77 (-16) 64
MIN TEMP (24HR TREND) 53 (-5) 51
MAX RH % (24HR TREND) 95 (-4) 95
20FT WIND AM (MPH) NE 10-11 NE 10-11
20FT WIND PM (MPH) NE 10-11 NE 9 NE 10-11 NE 6-7
PEAK WIND GUSTS (MPH) 19 18 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1700 2000
MAX MIXING HGT (FT) 2100 3200
TRANSPORT WND (MPH) NE 17 NE 17
VENT RATE (MPH-FT) 35700 54400
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ023-212115-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 10
MAX TEMP (24HR TREND) 65 (-6) 65
MIN RH % (24HR TREND) 74 (-21) 62
MIN TEMP (24HR TREND) 51 (-6) 50
MAX RH % (24HR TREND) 91 (-7) 92
20FT WIND AM (MPH) NE 10-11 NE 9-10
20FT WIND PM (MPH) NE 10-11 NE 8 NE 9-10 NE 6-7
PEAK WIND GUSTS (MPH) 19 17 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1800
MAX MIXING HGT (FT) 2200 3200
TRANSPORT WND (MPH) NE 17 NE 16
VENT RATE (MPH-FT) 37400 51200
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS 5 TO
10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. EAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ039-212115-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 10
MAX TEMP (24HR TREND) 65 (-10) 66
MIN RH % (24HR TREND) 76 (-12) 62
MIN TEMP (24HR TREND) 53 (-5) 51
MAX RH % (24HR TREND) 95 (-5) 94
20FT WIND AM (MPH) NE 10-11 NE 10-11
20FT WIND PM (MPH) NE 10-11 NE 9-10 NE 10-11 NE 7-8
PEAK WIND GUSTS (MPH) 18 17 17 15
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 1800
MAX MIXING HGT (FT) 2100 3300
TRANSPORT WND (MPH) NE 17 NE 17
VENT RATE (MPH-FT) 35700 56100
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ033-212115-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10 10
MAX TEMP (24HR TREND) 66 (-8) 67
MIN RH % (24HR TREND) 72 (-17) 59
MIN TEMP (24HR TREND) 52 (-6) 51
MAX RH % (24HR TREND) 91 (-7) 91
20FT WIND AM (MPH) NE 10 NE 9-10
20FT WIND PM (MPH) NE 10 NE 8 NE 9-10 NE 6-7
PEAK WIND GUSTS (MPH) 18 17 16
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2000 2000
MAX MIXING HGT (FT) 2200 3300
TRANSPORT WND (MPH) NE 18 NE 17
VENT RATE (MPH-FT) 39600 56100
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS 5 TO
10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
INZ010-212115-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30 10 10
MAX TEMP (24HR TREND) 65 (-8) 66
MIN RH % (24HR TREND) 73 (-18) 60
MIN TEMP (24HR TREND) 51 (-5) 50
MAX RH % (24HR TREND) 89 (-10) 91
20FT WIND AM (MPH) NE 10 NE 9
20FT WIND PM (MPH) NE 10 NE 8 NE 9 NE 6-7
PEAK WIND GUSTS (MPH) 19 17 15
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2000 1900
MAX MIXING HGT (FT) 2200 3300
TRANSPORT WND (MPH) NE 18 NE 17
VENT RATE (MPH-FT) 39600 56100
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
INZ011-212115-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
359 AM CDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 65 (-8) 66
MIN RH % (24HR TREND) 73 (-19) 61
MIN TEMP (24HR TREND) 50 (-6) 50
MAX RH % (24HR TREND) 89 (-11) 92
20FT WIND AM (MPH) NE 10 NE 9
20FT WIND PM (MPH) NE 10 NE 8 NE 9 NE 7
PEAK WIND GUSTS (MPH) 19 18 16
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2000 1900
MAX MIXING HGT (FT) 2200 3100
TRANSPORT WND (MPH) NE 18 NE 17
VENT RATE (MPH-FT) 39600 52700
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT
WINDS.
INZ019-212115-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
459 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10
MAX TEMP (24HR TREND) 65 (-11) 67
MIN RH % (24HR TREND) 73 (-10) 59
MIN TEMP (24HR TREND) 53 (-5) 52
MAX RH % (24HR TREND) 89 (-11) 92
20FT WIND AM (MPH) NE 10-11 NE 9-10
20FT WIND PM (MPH) NE 10-11 NE 9 NE 9-10 NE 7-8
PEAK WIND GUSTS (MPH) 19 18 17 15
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2200 2000
MAX MIXING HGT (FT) 2200 3100
TRANSPORT WND (MPH) NE 18 NE 17
VENT RATE (MPH-FT) 39600 52700
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. EAST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
RATZER
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