095
FNUS53 KLOT 040839
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
339 AM CDT FRI SEP 4 2026
DISCUSSION
IT'LL BE ANOTHER HOT AND HUMID DAY TODAY. NORTHEAST WINDS OFF THE LAKE
THIS MORNING ARE EXPECTED TO BECOME SOUTHWEST THIS AFTERNOON. A COLD
FRONT WILL BRING A RETURN TO SOME LESS HUMID CONDITIONS AND SEASONABLY
WARM TEMPERATURES SUNDAY INTO MONDAY. IT WILL TURN VERY WARM AND HUMID
AGAIN TUESDAY INTO WEDNESDAY AHEAD OF THE NEXT FRONT SLATED TO BRING A
CHANCE OF SHOWERS AND THUNDERSTORMS TO THE AREA MIDWEEK.
ILZ014-042130-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 20 30 10
MAX TEMP (24HR TREND) 94 (+4) 87
MIN RH % (24HR TREND) 48 (-8) 64
MIN TEMP (24HR TREND) 73 (-3) 66
MAX RH % (24HR TREND) 90 (+6) 98
20FT WIND AM (MPH) SW 5-9 LGT/VAR
20FT WIND PM (MPH) SW 5-9 LGT/VAR NE 4-8 LGT/VAR
PEAK WIND GUSTS (MPH) 16 16
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2300 2800
MAX MIXING HGT (FT) 4800 4100
TRANSPORT WND (MPH) SW 12 N 12
VENT RATE (MPH-FT) 62400 53300
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
70. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS
AROUND 5 MPH.
ILZ006-042130-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 30 20
MAX TEMP (24HR TREND) 92 (+5) 83
MIN RH % (24HR TREND) 54 (-11) 74
MIN TEMP (24HR TREND) 69 (-2) 64
MAX RH % (24HR TREND) 97 (+1) 100
20FT WIND AM (MPH) S 6-8 N 5-8
20FT WIND PM (MPH) SW 6-8 LGT/VAR NE 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 14 14
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1900 2300
MAX MIXING HGT (FT) 4000 3000
TRANSPORT WND (MPH) SW 11 NE 12
VENT RATE (MPH-FT) 48000 39000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHEAST WINDS AROUND
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
70. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
INZ001-042130-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 93 (+2) 87
MIN RH % (24HR TREND) 52 (-2) 65
MIN TEMP (24HR TREND) 71 (-4) 64
MAX RH % (24HR TREND) 92 (+2) 98
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) SW 4-8 LGT/VAR N 4-8 LGT/VAR
PEAK WIND GUSTS (MPH) 16 16
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 2200 2400
MAX MIXING HGT (FT) 4800 3500
TRANSPORT WND (MPH) SW 13 N 11
VENT RATE (MPH-FT) 67200 42000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
INZ002-042130-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 94 (+4) 86
MIN RH % (24HR TREND) 54 (-3) 67
MIN TEMP (24HR TREND) 72 (-2) 64
MAX RH % (24HR TREND) 92 (+1) 96
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) SW 4-8 LGT/VAR N 4-8 LGT/VAR
PEAK WIND GUSTS (MPH) 14
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2000 2200
MAX MIXING HGT (FT) 4600 2900
TRANSPORT WND (MPH) SW 12 N 11
VENT RATE (MPH-FT) 59800 34800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS
AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
ILZ013-042130-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 20 30
MAX TEMP (24HR TREND) 94 (+2) 86
MIN RH % (24HR TREND) 50 (-5) 65
MIN TEMP (24HR TREND) 72 (-3) 66
MAX RH % (24HR TREND) 91 (+7) 100
20FT WIND AM (MPH) SW 5-9 LGT/VAR
20FT WIND PM (MPH) SW 5-9 LGT/VAR NE 4-8 LGT/VAR
PEAK WIND GUSTS (MPH) 16 14
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2000 2700
MAX MIXING HGT (FT) 4700 4000
TRANSPORT WND (MPH) SW 13 N 12
VENT RATE (MPH-FT) 65800 52000
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
70. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS
AROUND 5 MPH.
ILZ012-042130-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 20 30
MAX TEMP (24HR TREND) 92 (+2) 87
MIN RH % (24HR TREND) 58 (0) 65
MIN TEMP (24HR TREND) 71 (-2) 65
MAX RH % (24HR TREND) 95 (+4) 100
20FT WIND AM (MPH) S 5-8 LGT/VAR
20FT WIND PM (MPH) SW 5-8 LGT/VAR NE 4-8 LGT/VAR
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1700 2300
MAX MIXING HGT (FT) 4000 3500
TRANSPORT WND (MPH) SW 12 N 11
VENT RATE (MPH-FT) 52000 42000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
ILZ005-042130-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 20 20
MAX TEMP (24HR TREND) 92 (+5) 84
MIN RH % (24HR TREND) 58 (-8) 69
MIN TEMP (24HR TREND) 69 (-3) 63
MAX RH % (24HR TREND) 95 (+2) 100
20FT WIND AM (MPH) S 5-8 LGT/VAR
20FT WIND PM (MPH) SW 5-8 LGT/VAR NE 4-7 LGT/VAR
PEAK WIND GUSTS (MPH) 14
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1700 2200
MAX MIXING HGT (FT) 3800 2900
TRANSPORT WND (MPH) SW 12 N 11
VENT RATE (MPH-FT) 49400 34800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
70. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ004-042130-
BOONE-
INCLUDING THE CITY OF BELVIDERE
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 20 20
MAX TEMP (24HR TREND) 93 (+6) 85
MIN RH % (24HR TREND) 55 (-8) 65
MIN TEMP (24HR TREND) 70 (-3) 63
MAX RH % (24HR TREND) 94 (+3) 100
20FT WIND AM (MPH) S 5-8 LGT/VAR
20FT WIND PM (MPH) SW 5-8 LGT/VAR NE 4-7 LGT/VAR
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.01-0.05 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 1700 2000
MAX MIXING HGT (FT) 4300 3000
TRANSPORT WND (MPH) SW 13 NE 11
VENT RATE (MPH-FT) 60200 36000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
70. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH
WINDS AROUND 5 MPH.
ILZ011-042130-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 92 (+2) 87
MIN RH % (24HR TREND) 56 (-3) 62
MIN TEMP (24HR TREND) 71 (-1) 64
MAX RH % (24HR TREND) 95 (0) 100
20FT WIND AM (MPH) S 5-8 LGT/VAR
20FT WIND PM (MPH) SW 5-8 LGT/VAR NE 4-7 LGT/VAR
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1600 2100
MAX MIXING HGT (FT) 3900 3500
TRANSPORT WND (MPH) W 12 N 11
VENT RATE (MPH-FT) 50700 42000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST WINDS AROUND
5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS 5 TO 10 MPH.
ILZ003-042130-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 20 20
MAX TEMP (24HR TREND) 93 (+5) 87
MIN RH % (24HR TREND) 52 (-7) 60
MIN TEMP (24HR TREND) 70 (-2) 62
MAX RH % (24HR TREND) 94 (+3) 100
20FT WIND AM (MPH) S 6-9 LGT/VAR
20FT WIND PM (MPH) SW 6-9 LGT/VAR NE 4-7 LGT/VAR
PEAK WIND GUSTS (MPH) 17
PRECIP AMOUNT (IN) 0.01-0.05 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 1800 2000
MAX MIXING HGT (FT) 4600 3200
TRANSPORT WND (MPH) SW 14 NE 11
VENT RATE (MPH-FT) 69000 38400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. WEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH
WINDS AROUND 5 MPH.
ILZ008-042130-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 93 (+3) 88
MIN RH % (24HR TREND) 53 (-5) 59
MIN TEMP (24HR TREND) 70 (-2) 63
MAX RH % (24HR TREND) 96 (+3) 100
20FT WIND AM (MPH) S 5-9 LGT/VAR
20FT WIND PM (MPH) SW 5-9 LGT/VAR NE 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1700 2100
MAX MIXING HGT (FT) 4400 3400
TRANSPORT WND (MPH) SW 14 N 11
VENT RATE (MPH-FT) 66000 40800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTH WINDS
AROUND 5 MPH.
ILZ010-042130-
LEE-
INCLUDING THE CITY OF DIXON
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 94 (+4) 89
MIN RH % (24HR TREND) 53 (-5) 58
MIN TEMP (24HR TREND) 71 (-1) 64
MAX RH % (24HR TREND) 95 (+2) 100
20FT WIND AM (MPH) S 5-8 LGT/VAR
20FT WIND PM (MPH) SW 5-8 LGT/VAR N 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 14
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1600 2200
MAX MIXING HGT (FT) 4700 3600
TRANSPORT WND (MPH) W 13 N 11
VENT RATE (MPH-FT) 65800 43200
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
ILZ019-042130-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 94 (+1) 91
MIN RH % (24HR TREND) 52 (-3) 54
MIN TEMP (24HR TREND) 72 (-1) 67
MAX RH % (24HR TREND) 93 (+4) 99
20FT WIND AM (MPH) SW 5-8 LGT/VAR
20FT WIND PM (MPH) W 5-8 LGT/VAR N 3-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1700 2300
MAX MIXING HGT (FT) 5000 4100
TRANSPORT WND (MPH) W 12 N 11
VENT RATE (MPH-FT) 65000 49200
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
ILZ020-042130-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 94 (+2) 89
MIN RH % (24HR TREND) 55 (0) 61
MIN TEMP (24HR TREND) 72 (-1) 66
MAX RH % (24HR TREND) 95 (+2) 99
20FT WIND AM (MPH) S 5-8 LGT/VAR
20FT WIND PM (MPH) W 5-8 LGT/VAR N 4-7 LGT/VAR
PEAK WIND GUSTS (MPH) 14
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1500 2300
MAX MIXING HGT (FT) 3800 3900
TRANSPORT WND (MPH) SW 12 N 11
VENT RATE (MPH-FT) 49400 46800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS 5 TO 10 MPH.
ILZ021-042130-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 95 (0) 91
MIN RH % (24HR TREND) 52 (0) 58
MIN TEMP (24HR TREND) 72 (-2) 67
MAX RH % (24HR TREND) 94 (-3) 98
20FT WIND AM (MPH) SW 5-7 LGT/VAR
20FT WIND PM (MPH) W 5-7 LGT/VAR N 3-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1900 2300
MAX MIXING HGT (FT) 4500 4300
TRANSPORT WND (MPH) W 11 N 11
VENT RATE (MPH-FT) 54000 51600
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS
AROUND 5 MPH.
ILZ022-042130-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 94 (+1) 90
MIN RH % (24HR TREND) 54 (-1) 60
MIN TEMP (24HR TREND) 71 (-3) 66
MAX RH % (24HR TREND) 93 (+1) 99
20FT WIND AM (MPH) SW 5-8 LGT/VAR
20FT WIND PM (MPH) W 5-8 LGT/VAR N 4-7 LGT/VAR
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 1900 2400
MAX MIXING HGT (FT) 4300 4200
TRANSPORT WND (MPH) W 12 N 11
VENT RATE (MPH-FT) 55900 50400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
ILZ032-042130-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 94 (-2) 92
MIN RH % (24HR TREND) 52 (+1) 56
MIN TEMP (24HR TREND) 72 (-2) 66
MAX RH % (24HR TREND) 93 (-4) 100
20FT WIND AM (MPH) SW 5-7 LGT/VAR
20FT WIND PM (MPH) W 5-7 LGT/VAR N 3-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 2400
MAX MIXING HGT (FT) 5100 4300
TRANSPORT WND (MPH) W 11 N 11
VENT RATE (MPH-FT) 61200 51600
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
ILZ023-042130-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 94 (+1) 90
MIN RH % (24HR TREND) 52 (-2) 58
MIN TEMP (24HR TREND) 71 (-3) 65
MAX RH % (24HR TREND) 93 (-1) 99
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) W 4-7 LGT/VAR N 3-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 2000 2400
MAX MIXING HGT (FT) 4900 4200
TRANSPORT WND (MPH) W 12 N 12
VENT RATE (MPH-FT) 63700 54600
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
ILZ039-042130-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 20 10
MAX TEMP (24HR TREND) 94 (-1) 91
MIN RH % (24HR TREND) 53 (0) 57
MIN TEMP (24HR TREND) 72 (-2) 66
MAX RH % (24HR TREND) 93 (-1) 100
20FT WIND AM (MPH) SW 6-7 LGT/VAR
20FT WIND PM (MPH) W 6-7 LGT/VAR N 3-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 2500
MAX MIXING HGT (FT) 5000 4300
TRANSPORT WND (MPH) W 11 N 12
VENT RATE (MPH-FT) 60000 55900
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH.
ILZ033-042130-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 94 (0) 90
MIN RH % (24HR TREND) 53 (0) 55
MIN TEMP (24HR TREND) 71 (-3) 65
MAX RH % (24HR TREND) 92 (-4) 99
20FT WIND AM (MPH) SW 5-7 LGT/VAR
20FT WIND PM (MPH) W 5-7 LGT/VAR N 3-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2000 2500
MAX MIXING HGT (FT) 4600 4400
TRANSPORT WND (MPH) W 12 N 12
VENT RATE (MPH-FT) 59800 57200
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING EAST
AROUND 5 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
INZ010-042130-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 93 (+1) 88
MIN RH % (24HR TREND) 52 (-2) 58
MIN TEMP (24HR TREND) 71 (-2) 64
MAX RH % (24HR TREND) 92 (-7) 97
20FT WIND AM (MPH) SW 5-8 LGT/VAR
20FT WIND PM (MPH) W 5-8 LGT/VAR N 3-6 LGT/VAR
PEAK WIND GUSTS (MPH) 13
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 2100 2600
MAX MIXING HGT (FT) 5200 4400
TRANSPORT WND (MPH) W 13 N 12
VENT RATE (MPH-FT) 72800 57200
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
INZ011-042130-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
339 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 93 (+1) 88
MIN RH % (24HR TREND) 54 (0) 63
MIN TEMP (24HR TREND) 71 (-2) 64
MAX RH % (24HR TREND) 92 (-5) 96
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) W 4-8 LGT/VAR N 3-6 LGT/VAR
PEAK WIND GUSTS (MPH) 14
PRECIP AMOUNT (IN) 0.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 2200 2600
MAX MIXING HGT (FT) 5100 4200
TRANSPORT WND (MPH) W 13 N 12
VENT RATE (MPH-FT) 71400 54600
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
INZ019-042130-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
439 AM EDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 93 (0) 89
MIN RH % (24HR TREND) 54 (+1) 57
MIN TEMP (24HR TREND) 72 (-1) 66
MAX RH % (24HR TREND) 91 (-2) 94
20FT WIND AM (MPH) SW 5-7 LGT/VAR
20FT WIND PM (MPH) SW 5-7 LGT/VAR N 3-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1900 2600
MAX MIXING HGT (FT) 4600 4500
TRANSPORT WND (MPH) W 12 N 12
VENT RATE (MPH-FT) 59800 58500
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS AROUND
5 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
- IZZI
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