608
FNUS53 KLOT 272153
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
453 PM CDT MON APR 27 2026
DISCUSSION
AN ADDITIONAL ROUND OF SHOWERS AND THUNDERSTORMS WILL OCCUR
THROUGH THIS EVENING, SOME OF WHICH COULD BE SEVERE. BREEZY
WESTERLY WINDS WILL DEVELOP TONIGHT BEHIND A COLD FRONT, WITH
GUSTS TO AROUND 25 MPH CONTINUING INTO TUESDAY AFTERNOON. A
DISTURBANCE WILL BRING ANOTHER CHANCE FOR SHOWERS TO THE REGION
TUESDAY NIGHT INTO EARLY WEDNESDAY MORNING. THEREAFTER, BELOW
NORMAL TEMPERATURES FOR THE END OF APRIL AND EARLY MAY ARE
EXPECTED LATER THIS WEEK. LOW TEMPS SATURDAY MORNING MAY BE IN THE
MID 30S FOR MOST AREAS, WHICH MAY RESULT IN AREAS OF FROST.
ILZ014-280915-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 70 30 10
MAX TEMP (24HR TREND) 63 (-2) 58
MIN RH % (24HR TREND) 47 (-30) 48
MIN TEMP (24HR TREND) 49 (0) 46
MAX RH % (24HR TREND) 92 (+3) 84
20FT WIND AM (MPH) W 10-15 N 9-10
20FT WIND PM (MPH) SW 10-15 NW 10-15 LGT/VAR N 9-10
PEAK WIND GUSTS (MPH) 29 24 18
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 3900
MAX MIXING HGT (FT) 4000 5000
TRANSPORT WND (MPH) W 16 N 17
VENT RATE (MPH-FT) 64000 85000
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
ILZ006-280915-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 62 (-2) 55
MIN RH % (24HR TREND) 48 (-30) 50
MIN TEMP (24HR TREND) 48 (+3) 44
MAX RH % (24HR TREND) 92 (-4) 83
20FT WIND AM (MPH) W 10-15 N 8-9
20FT WIND PM (MPH) SW 10-15 W 10-15 LGT/VAR N 8-9
PEAK WIND GUSTS (MPH) 28 23 16
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2800 3600
MAX MIXING HGT (FT) 4100 5100
TRANSPORT WND (MPH) W 17 N 13
VENT RATE (MPH-FT) 69700 71400
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. EAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. PATCHY FROST AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
INZ001-280915-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 70 40 10
MAX TEMP (24HR TREND) 63 (-3) 57
MIN RH % (24HR TREND) 52 (-24) 55
MIN TEMP (24HR TREND) 50 (-1) 46
MAX RH % (24HR TREND) 95 (+4) 91
20FT WIND AM (MPH) W 10-15 N 9-11
20FT WIND PM (MPH) S 10-15 NW 10-15 LGT/VAR N 9-11
PEAK WIND GUSTS (MPH) 29 24 19
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2700 3500
MAX MIXING HGT (FT) 3500 4500
TRANSPORT WND (MPH) NW 11 N 19
VENT RATE (MPH-FT) 42000 90000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. PATCHY FROST AFTER MIDNIGHT. LOWS
IN THE MID 30S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
INZ002-280915-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 80 40 10
MAX TEMP (24HR TREND) 63 (-2) 56
MIN RH % (24HR TREND) 53 (-19) 56
MIN TEMP (24HR TREND) 50 (-1) 46
MAX RH % (24HR TREND) 94 (-2) 91
20FT WIND AM (MPH) W 10-15 N 8-11
20FT WIND PM (MPH) S 10-15 NW 10-15 LGT/VAR N 8-11
PEAK WIND GUSTS (MPH) 30 23 19
PRECIP AMOUNT (IN) 0.50-0.75 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2800 3400
MAX MIXING HGT (FT) 3500 4200
TRANSPORT WND (MPH) NW 11 N 19
VENT RATE (MPH-FT) 42000 84000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. PATCHY FROST AFTER MIDNIGHT. LOWS
IN THE MID 30S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
ILZ013-280915-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 70 20 10
MAX TEMP (24HR TREND) 63 (-2) 58
MIN RH % (24HR TREND) 48 (-29) 48
MIN TEMP (24HR TREND) 49 (-1) 46
MAX RH % (24HR TREND) 92 (+5) 80
20FT WIND AM (MPH) W 10-15 N 9-10
20FT WIND PM (MPH) SW 10-15 W 10-15 LGT/VAR N 9-10
PEAK WIND GUSTS (MPH) 27 23 17
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 4100
MAX MIXING HGT (FT) 4000 5400
TRANSPORT WND (MPH) W 16 N 16
VENT RATE (MPH-FT) 64000 86400
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH.
ILZ012-280915-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 62 (-3) 58
MIN RH % (24HR TREND) 50 (-29) 48
MIN TEMP (24HR TREND) 47 (-3) 44
MAX RH % (24HR TREND) 96 (+9) 82
20FT WIND AM (MPH) W 10-15 N 9-11
20FT WIND PM (MPH) SW 10-15 W 10-15 LGT/VAR N 9-11
PEAK WIND GUSTS (MPH) 26 23 18
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2900 4200
MAX MIXING HGT (FT) 4000 6200
TRANSPORT WND (MPH) W 16 N 18
VENT RATE (MPH-FT) 64000 111600
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. AREAS OF FROST AFTER MIDNIGHT. LOWS IN THE MID
30S. NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. PATCHY FROST IN THE MORNING. HIGHS IN
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 5 MPH.
ILZ005-280915-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 61 (-3) 57
MIN RH % (24HR TREND) 51 (-23) 47
MIN TEMP (24HR TREND) 47 (0) 43
MAX RH % (24HR TREND) 96 (+5) 81
20FT WIND AM (MPH) W 10-15 N 8-10
20FT WIND PM (MPH) SW 10-15 W 10-15 LGT/VAR N 8-10
PEAK WIND GUSTS (MPH) 24 24 17
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2800 4000
MAX MIXING HGT (FT) 4200 5900
TRANSPORT WND (MPH) W 18 N 18
VENT RATE (MPH-FT) 75600 106200
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
NORTHWEST WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. AREAS OF FROST AFTER MIDNIGHT. LOWS IN THE MID
30S. NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
ILZ004-280915-
BOONE-
INCLUDING THE CITY OF BELVIDERE
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 61 (-4) 58
MIN RH % (24HR TREND) 48 (-28) 43
MIN TEMP (24HR TREND) 47 (-3) 43
MAX RH % (24HR TREND) 95 (+7) 80
20FT WIND AM (MPH) W 10-15 N 8-10
20FT WIND PM (MPH) SW 10-15 W 10-15 LGT/VAR N 8-10
PEAK WIND GUSTS (MPH) 24 24 17
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2900 4200
MAX MIXING HGT (FT) 4200 6600
TRANSPORT WND (MPH) W 17 N 19
VENT RATE (MPH-FT) 71400 132000
VENT RATE CATEGORY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
NORTHWEST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. AREAS
OF FROST AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
ILZ011-280915-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 62 (-4) 59
MIN RH % (24HR TREND) 49 (-29) 43
MIN TEMP (24HR TREND) 47 (-5) 44
MAX RH % (24HR TREND) 98 (+11) 81
20FT WIND AM (MPH) W 10-15 N 10-12
20FT WIND PM (MPH) SW 10-15 NW 10-15 LGT/VAR N 10-12
PEAK WIND GUSTS (MPH) 26 24 18
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 4600
MAX MIXING HGT (FT) 4100 7100
TRANSPORT WND (MPH) NW 16 N 20
VENT RATE (MPH-FT) 65600 149100
VENT RATE CATEGORY FAIR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
NORTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. AREAS OF FROST AFTER MIDNIGHT. LOWS IN THE MID
30S. NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. PATCHY FROST IN THE MORNING. HIGHS IN
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 5 MPH.
ILZ003-280915-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 60 10 10
MAX TEMP (24HR TREND) 61 (-5) 58
MIN RH % (24HR TREND) 46 (-30) 39
MIN TEMP (24HR TREND) 47 (-5) 43
MAX RH % (24HR TREND) 93 (+9) 78
20FT WIND AM (MPH) W 10-15 N 9-10
20FT WIND PM (MPH) SW 10-15 W 10-15 NW 5-6 N 9-10
PEAK WIND GUSTS (MPH) 25 23 17
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 4700
MAX MIXING HGT (FT) 4300 7200
TRANSPORT WND (MPH) W 14 N 20
VENT RATE (MPH-FT) 64500 151200
VENT RATE CATEGORY FAIR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. AREAS OF FROST AFTER MIDNIGHT. LOWS IN THE MID
30S. NORTH WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
ILZ008-280915-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 62 (-5) 60
MIN RH % (24HR TREND) 46 (-27) 38
MIN TEMP (24HR TREND) 46 (-7) 43
MAX RH % (24HR TREND) 95 (+13) 78
20FT WIND AM (MPH) W 10-15 N 9-11
20FT WIND PM (MPH) SW 10-15 NW 10-15 NW 5-6 NW 9-11
PEAK WIND GUSTS (MPH) 26 23 17
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 5200
MAX MIXING HGT (FT) 4200 7500
TRANSPORT WND (MPH) W 14 NW 20
VENT RATE (MPH-FT) 63000 157500
VENT RATE CATEGORY FAIR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. AREAS OF FROST AFTER MIDNIGHT. LOWS IN THE MID
30S. NORTH WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 40S.
WEST WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ010-280915-
LEE-
INCLUDING THE CITY OF DIXON
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 60 10 20 10
MAX TEMP (24HR TREND) 62 (-5) 60
MIN RH % (24HR TREND) 48 (-20) 39
MIN TEMP (24HR TREND) 47 (-8) 44
MAX RH % (24HR TREND) 96 (+15) 79
20FT WIND AM (MPH) W 9-12 N 10-12
20FT WIND PM (MPH) SW 10-15 NW 9-12 NW 5-7 NW 10-12
PEAK WIND GUSTS (MPH) 26 23 19
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 5200
MAX MIXING HGT (FT) 4100 7500
TRANSPORT WND (MPH) NW 14 NW 20
VENT RATE (MPH-FT) 61500 157500
VENT RATE CATEGORY FAIR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. PATCHY FROST AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTH WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ019-280915-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 70 10 30 10
MAX TEMP (24HR TREND) 63 (-5) 61
MIN RH % (24HR TREND) 50 (-16) 39
MIN TEMP (24HR TREND) 48 (-8) 46
MAX RH % (24HR TREND) 95 (+19) 81
20FT WIND AM (MPH) W 9-11 N 10-12
20FT WIND PM (MPH) SW 10-15 NW 9-11 LGT/VAR NW 10-12
PEAK WIND GUSTS (MPH) 27 21 20
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 4900
MAX MIXING HGT (FT) 3800 7300
TRANSPORT WND (MPH) NW 13 NW 19
VENT RATE (MPH-FT) 53200 146000
VENT RATE CATEGORY FAIR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 60. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST WINDS AROUND 5 MPH
IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY 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. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
ILZ020-280915-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 70 20 10
MAX TEMP (24HR TREND) 63 (-3) 59
MIN RH % (24HR TREND) 50 (-25) 47
MIN TEMP (24HR TREND) 48 (-6) 46
MAX RH % (24HR TREND) 93 (+9) 83
20FT WIND AM (MPH) W 9-12 N 9-10
20FT WIND PM (MPH) SW 10-15 NW 9-12 LGT/VAR N 9-10
PEAK WIND GUSTS (MPH) 28 21 18
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 4400
MAX MIXING HGT (FT) 4000 6800
TRANSPORT WND (MPH) NW 14 N 18
VENT RATE (MPH-FT) 60000 122400
VENT RATE CATEGORY FAIR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. PATCHY FROST AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
ILZ021-280915-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 80 30 10
MAX TEMP (24HR TREND) 64 (-3) 61
MIN RH % (24HR TREND) 51 (-17) 46
MIN TEMP (24HR TREND) 49 (-7) 47
MAX RH % (24HR TREND) 93 (+13) 85
20FT WIND AM (MPH) W 9-12 N 9-10
20FT WIND PM (MPH) SW 10-15 NW 9-12 LGT/VAR N 9-10
PEAK WIND GUSTS (MPH) 28 21 19
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2900 4400
MAX MIXING HGT (FT) 3700 6900
TRANSPORT WND (MPH) NW 11 N 19
VENT RATE (MPH-FT) 44400 138000
VENT RATE CATEGORY POOR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
PATCHY FROST AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
ILZ022-280915-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 70 30 10
MAX TEMP (24HR TREND) 63 (-3) 60
MIN RH % (24HR TREND) 52 (-23) 51
MIN TEMP (24HR TREND) 49 (-5) 46
MAX RH % (24HR TREND) 94 (+10) 88
20FT WIND AM (MPH) W 10-15 N 9-10
20FT WIND PM (MPH) SW 10-15 NW 10-15 LGT/VAR N 9-10
PEAK WIND GUSTS (MPH) 28 23 18
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2900 4300
MAX MIXING HGT (FT) 3700 5900
TRANSPORT WND (MPH) NW 14 N 17
VENT RATE (MPH-FT) 55500 100300
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
PATCHY FROST AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
ILZ032-280915-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 80 10 40 10
MAX TEMP (24HR TREND) 64 (-3) 61
MIN RH % (24HR TREND) 51 (-14) 43
MIN TEMP (24HR TREND) 50 (-7) 47
MAX RH % (24HR TREND) 93 (+17) 89
20FT WIND AM (MPH) W 9-12 N 10-15
20FT WIND PM (MPH) SW 10-15 NW 9-12 LGT/VAR NW 10-15
PEAK WIND GUSTS (MPH) 29 20 20
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2700 4600
MAX MIXING HGT (FT) 3400 7200
TRANSPORT WND (MPH) NW 10 NW 20
VENT RATE (MPH-FT) 34000 151200
VENT RATE CATEGORY POOR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
PATCHY FROST AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
ILZ023-280915-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 70 40 10
MAX TEMP (24HR TREND) 64 (-2) 59
MIN RH % (24HR TREND) 52 (-22) 52
MIN TEMP (24HR TREND) 50 (-3) 46
MAX RH % (24HR TREND) 95 (+11) 92
20FT WIND AM (MPH) W 10-15 N 8-10
20FT WIND PM (MPH) S 10-15 NW 10-15 LGT/VAR N 8-10
PEAK WIND GUSTS (MPH) 30 23 18
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2700 4300
MAX MIXING HGT (FT) 3400 6000
TRANSPORT WND (MPH) NW 11 N 18
VENT RATE (MPH-FT) 40800 108000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. AREAS
OF FROST AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
ILZ039-280915-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 90 50 10
MAX TEMP (24HR TREND) 65 (-2) 61
MIN RH % (24HR TREND) 53 (-14) 49
MIN TEMP (24HR TREND) 50 (-6) 47
MAX RH % (24HR TREND) 97 (+22) 91
20FT WIND AM (MPH) W 8-12 N 10-15
20FT WIND PM (MPH) S 10-15 NW 8-12 LGT/VAR NW 10-15
PEAK WIND GUSTS (MPH) 29 21 20
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.05-0.10 0.00
11 AM MIXING HGT (FT) 2600 4600
MAX MIXING HGT (FT) 3200 6900
TRANSPORT WND (MPH) NW 9 NW 19
VENT RATE (MPH-FT) 28800 138000
VENT RATE CATEGORY POOR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. AREAS
OF FROST AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. PATCHY FROST IN THE MORNING. HIGHS
AROUND 60. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
ILZ033-280915-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 80 50 10
MAX TEMP (24HR TREND) 64 (-2) 60
MIN RH % (24HR TREND) 53 (-15) 50
MIN TEMP (24HR TREND) 51 (-3) 47
MAX RH % (24HR TREND) 97 (+16) 91
20FT WIND AM (MPH) W 8-12 N 8-11
20FT WIND PM (MPH) S 10-15 NW 8-12 LGT/VAR N 8-11
PEAK WIND GUSTS (MPH) 32 23 19
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.05-0.10 0.00
11 AM MIXING HGT (FT) 2700 4500
MAX MIXING HGT (FT) 3300 5900
TRANSPORT WND (MPH) NW 9 N 19
VENT RATE (MPH-FT) 29700 118000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 60. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. AREAS
OF FROST AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTH WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY 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. SOUTHWEST WINDS AROUND
5 MPH.
INZ010-280915-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 80 50 10
MAX TEMP (24HR TREND) 64 (-1) 59
MIN RH % (24HR TREND) 54 (-16) 55
MIN TEMP (24HR TREND) 51 (-1) 46
MAX RH % (24HR TREND) 96 (+5) 90
20FT WIND AM (MPH) W 9-12 N 8-10
20FT WIND PM (MPH) S 10-15 NW 9-12 LGT/VAR N 8-10
PEAK WIND GUSTS (MPH) 33 21 18
PRECIP AMOUNT (IN) 0.50-0.75 0.00 0.05-0.10 0.00
11 AM MIXING HGT (FT) 2700 4300
MAX MIXING HGT (FT) 3500 5500
TRANSPORT WND (MPH) NW 11 N 18
VENT RATE (MPH-FT) 42000 99000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. AREAS OF FROST AFTER MIDNIGHT.
LOWS IN THE MID 30S. NORTH WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. PATCHY FROST IN THE MORNING. HIGHS IN
THE UPPER 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. LIGHT
WINDS, BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
INZ011-280915-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
453 PM CDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 80 50 20
MAX TEMP (24HR TREND) 64 (-1) 58
MIN RH % (24HR TREND) 53 (-16) 55
MIN TEMP (24HR TREND) 52 (0) 47
MAX RH % (24HR TREND) 95 (0) 91
20FT WIND AM (MPH) W 10-15 N 8-11
20FT WIND PM (MPH) S 10-15 NW 10-15 LGT/VAR N 8-11
PEAK WIND GUSTS (MPH) 33 21 19
PRECIP AMOUNT (IN) 0.50-0.75 0.00 0.05-0.10 0.01-0.05
11 AM MIXING HGT (FT) 2700 4200
MAX MIXING HGT (FT) 3500 5300
TRANSPORT WND (MPH) NW 11 N 19
VENT RATE (MPH-FT) 42000 106000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. AREAS OF FROST AFTER MIDNIGHT.
LOWS IN THE MID 30S. NORTH WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. LIGHT
WINDS, BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
INZ019-280915-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
553 PM EDT MON APR 27 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS NONE
CHANCE PRECIP (%) 80 60 10
MAX TEMP (24HR TREND) 65 (0) 60
MIN RH % (24HR TREND) 54 (-13) 54
MIN TEMP (24HR TREND) 53 (0) 48
MAX RH % (24HR TREND) 96 (+7) 89
20FT WIND AM (MPH) W 8-12 N 9-11
20FT WIND PM (MPH) S 10-15 NW 8-12 LGT/VAR N 9-11
PEAK WIND GUSTS (MPH) 33 21 19
PRECIP AMOUNT (IN) 0.50-0.75 0.00 0.10-0.25 0.00
11 AM MIXING HGT (FT) 2600 4400
MAX MIXING HGT (FT) 3400 5700
TRANSPORT WND (MPH) NW 10 NW 19
VENT RATE (MPH-FT) 34000 114000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 40. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. AREAS
OF FROST AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTH WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. PATCHY FROST IN THE MORNING. HIGHS IN
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. LIGHT WINDS,
BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
5 MPH.
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