888
FNUS53 KLOT 120843
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
343 AM CDT TUE AUG 12 2025
DISCUSSION
PERIODS OF SHOWERS AND THUNDERSTORMS ARE ANTICIPATED AROUND THE
AREA TODAY, PRIMARILY DURING THE EARLIER PART OF THE MORNING AND
AGAIN DURING THE AFTERNOON AND EARLY EVENING. HEAVY DOWNPOURS AND
LOCALLY GUSTY WINDS WILL BE POSSIBLE WITH STORMS TODAY. OTHERWISE,
EXPECT AFTERNOON HIGHS IN THE 80S. WINDS OUT OF THE WEST OR
SOUTHWEST WILL GUSTS TO 20 TO 25 MPH THIS AFTERNOON.
FOLLOWING TODAY, NO RAIN IS EXPECTED FOR AT LEAST THE REMAINDER OF
THE WORKWEEK. TOMORROW AND THURSDAY WILL FEATURE SEASONABLY WARM
CONDITIONS IN THE LOWER AND MIDDLE 80S WITH UPPER 80S LIKELY FOR
FRIDAY.
ILZ014-122115-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 30 10
MAX TEMP (24HR TREND) 86 (-3) 84
MIN RH % (24HR TREND) 66 (+12) 49
MIN TEMP (24HR TREND) 67 (-5) 62
MAX RH % (24HR TREND) 99 (+1) 95
20FT WIND AM (MPH) SW 7-10 N 5-7
20FT WIND PM (MPH) SW 7-10 LGT/VAR NE 5-7 LGT/VAR
PEAK WIND GUSTS (MPH) 21
PRECIP AMOUNT (IN) 0.50-0.75 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2600 3900
MAX MIXING HGT (FT) 3600 6000
TRANSPORT WND (MPH) SW 12 N 8
VENT RATE (MPH-FT) 46800 48000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. SOUTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ006-122115-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 20 10
MAX TEMP (24HR TREND) 83 (-5) 82
MIN RH % (24HR TREND) 69 (+11) 53
MIN TEMP (24HR TREND) 63 (-7) 60
MAX RH % (24HR TREND) 100 (+4) 99
20FT WIND AM (MPH) SW 7-9 N 5-6
20FT WIND PM (MPH) SW 7-9 LGT/VAR N 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 18
PRECIP AMOUNT (IN) 0.50-0.75 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 2500 3200
MAX MIXING HGT (FT) 3200 5500
TRANSPORT WND (MPH) SW 12 N 8
VENT RATE (MPH-FT) 41600 44000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS AROUND 80. NORTH WINDS AROUND 5 MPH,
BECOMING EAST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS
AROUND 80. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
INZ001-122115-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 60 10
MAX TEMP (24HR TREND) 88 (+2) 83
MIN RH % (24HR TREND) 61 (-2) 59
MIN TEMP (24HR TREND) 67 (-3) 60
MAX RH % (24HR TREND) 100 (0) 99
20FT WIND AM (MPH) SW 7-10 LGT/VAR
20FT WIND PM (MPH) SW 7-10 LGT/VAR N 4-8 LGT/VAR
PEAK WIND GUSTS (MPH) 20 14
PRECIP AMOUNT (IN) 0.25-0.50 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 2700 3100
MAX MIXING HGT (FT) 5000 4300
TRANSPORT WND (MPH) SW 13 N 10
VENT RATE (MPH-FT) 70000 43000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
NORTH AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. SOUTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90. WEST WINDS AROUND 5 MPH,
BECOMING NORTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH,
BECOMING NORTHEAST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND
5 MPH, BECOMING EAST AFTER MIDNIGHT.
INZ002-122115-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY MCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 60 10
MAX TEMP (24HR TREND) 88 (+3) 82
MIN RH % (24HR TREND) 59 (-6) 59
MIN TEMP (24HR TREND) 68 (-2) 60
MAX RH % (24HR TREND) 100 (0) 98
20FT WIND AM (MPH) SW 7-10 N 5-8
20FT WIND PM (MPH) SW 7-10 LGT/VAR N 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 20 15
PRECIP AMOUNT (IN) 0.25-0.50 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 2900 2900
MAX MIXING HGT (FT) 4900 3800
TRANSPORT WND (MPH) SW 12 N 10
VENT RATE (MPH-FT) 63700 38000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
NORTH AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
CLEAR. LOWS IN THE LOWER 60S. LIGHT WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90. WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND
5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
ILZ013-122115-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 30 10
MAX TEMP (24HR TREND) 83 (-5) 84
MIN RH % (24HR TREND) 70 (+16) 48
MIN TEMP (24HR TREND) 67 (-4) 61
MAX RH % (24HR TREND) 100 (+1) 98
20FT WIND AM (MPH) SW 8-10 N 5-6
20FT WIND PM (MPH) SW 8-10 SW 5 N 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 20
PRECIP AMOUNT (IN) 0.50-0.75 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2400 3900
MAX MIXING HGT (FT) 3200 6000
TRANSPORT WND (MPH) SW 12 N 6
VENT RATE (MPH-FT) 41600 42000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTH WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ012-122115-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 82 (-5) 82
MIN RH % (24HR TREND) 73 (+12) 52
MIN TEMP (24HR TREND) 64 (-6) 60
MAX RH % (24HR TREND) 100 (+3) 99
20FT WIND AM (MPH) SW 7-9 N 5-6
20FT WIND PM (MPH) SW 7-9 LGT/VAR N 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 19
PRECIP AMOUNT (IN) 0.50-0.75 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2300 3000
MAX MIXING HGT (FT) 3100 4800
TRANSPORT WND (MPH) SW 12 N 9
VENT RATE (MPH-FT) 40300 43200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. EAST WINDS
5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. EAST WINDS AROUND 5 MPH.
ILZ005-122115-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 20
MAX TEMP (24HR TREND) 81 (-4) 81
MIN RH % (24HR TREND) 73 (+9) 55
MIN TEMP (24HR TREND) 62 (-7) 59
MAX RH % (24HR TREND) 100 (+2) 100
20FT WIND AM (MPH) SW 7-9 LGT/VAR
20FT WIND PM (MPH) SW 7-9 LGT/VAR N 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 17
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2200 2900
MAX MIXING HGT (FT) 3000 4800
TRANSPORT WND (MPH) W 12 N 9
VENT RATE (MPH-FT) 39000 43200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS, BECOMING EAST
AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS
IN THE LOWER 80S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 60S. EAST WINDS AROUND 5 MPH.
ILZ004-122115-
BOONE-
INCLUDING THE CITY OF BELVIDERE
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 20
MAX TEMP (24HR TREND) 81 (-3) 81
MIN RH % (24HR TREND) 74 (+6) 55
MIN TEMP (24HR TREND) 61 (-7) 58
MAX RH % (24HR TREND) 100 (0) 100
20FT WIND AM (MPH) SW 7-8 LGT/VAR
20FT WIND PM (MPH) SW 7-8 LGT/VAR N 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 17
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 2400
MAX MIXING HGT (FT) 3100 4600
TRANSPORT WND (MPH) W 11 N 9
VENT RATE (MPH-FT) 37200 41400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS, BECOMING
SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. LIGHT WINDS.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS
IN THE LOWER 80S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
ILZ011-122115-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 82 (-3) 81
MIN RH % (24HR TREND) 72 (+4) 55
MIN TEMP (24HR TREND) 63 (-5) 59
MAX RH % (24HR TREND) 100 (+1) 98
20FT WIND AM (MPH) SW 7-9 N 5-7
20FT WIND PM (MPH) SW 7-9 LGT/VAR N 5-7 LGT/VAR
PEAK WIND GUSTS (MPH) 18
PRECIP AMOUNT (IN) 0.25-0.50 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2000 2600
MAX MIXING HGT (FT) 3100 4500
TRANSPORT WND (MPH) SW 11 N 9
VENT RATE (MPH-FT) 37200 40500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS, BECOMING SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. EAST WINDS
5 TO 10 MPH.
MONDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. PARTLY
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
ILZ003-122115-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY CLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 20
MAX TEMP (24HR TREND) 81 (-4) 81
MIN RH % (24HR TREND) 71 (+2) 52
MIN TEMP (24HR TREND) 61 (-7) 58
MAX RH % (24HR TREND) 100 (+2) 100
20FT WIND AM (MPH) SW 6-8 LGT/VAR
20FT WIND PM (MPH) SW 6-8 LGT/VAR N 4-5 LGT/VAR
PEAK WIND GUSTS (MPH) 17
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 2500
MAX MIXING HGT (FT) 3200 4900
TRANSPORT WND (MPH) SW 11 N 6
VENT RATE (MPH-FT) 38400 34300
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS, BECOMING
SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHEAST
WINDS 5 TO 10 MPH.
MONDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. PARTLY
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
ILZ008-122115-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 20
MAX TEMP (24HR TREND) 82 (-1) 81
MIN RH % (24HR TREND) 72 (+1) 53
MIN TEMP (24HR TREND) 61 (-7) 58
MAX RH % (24HR TREND) 100 (+1) 99
20FT WIND AM (MPH) SW 6-8 LGT/VAR
20FT WIND PM (MPH) W 6-8 LGT/VAR N 4-5 LGT/VAR
PEAK WIND GUSTS (MPH) 17
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1900 2700
MAX MIXING HGT (FT) 3300 4900
TRANSPORT WND (MPH) W 11 N 8
VENT RATE (MPH-FT) 39600 39200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY. HIGHS
IN THE LOWER 80S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. PARTLY
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
ILZ010-122115-
LEE-
INCLUDING THE CITY OF DIXON
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 82 (-2) 81
MIN RH % (24HR TREND) 73 (+3) 55
MIN TEMP (24HR TREND) 63 (-5) 58
MAX RH % (24HR TREND) 100 (0) 100
20FT WIND AM (MPH) SW 7-8 LGT/VAR
20FT WIND PM (MPH) W 7-8 LGT/VAR N 4-5 LGT/VAR
PEAK WIND GUSTS (MPH) 17
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1800 2600
MAX MIXING HGT (FT) 3100 4800
TRANSPORT WND (MPH) W 11 N 9
VENT RATE (MPH-FT) 37200 43200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS, BECOMING SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. PARTLY
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
ILZ019-122115-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 86 (+1) 82
MIN RH % (24HR TREND) 68 (-2) 54
MIN TEMP (24HR TREND) 66 (-3) 60
MAX RH % (24HR TREND) 100 (0) 95
20FT WIND AM (MPH) S 6-9 N 5-6
20FT WIND PM (MPH) SW 6-9 LGT/VAR N 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 18
PRECIP AMOUNT (IN) 0.50-0.75 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1800 2500
MAX MIXING HGT (FT) 3100 4600
TRANSPORT WND (MPH) SW 12 N 9
VENT RATE (MPH-FT) 40300 41400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.
ILZ020-122115-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 20 10
MAX TEMP (24HR TREND) 84 (-2) 83
MIN RH % (24HR TREND) 70 (+8) 54
MIN TEMP (24HR TREND) 66 (-4) 61
MAX RH % (24HR TREND) 100 (0) 97
20FT WIND AM (MPH) S 6-9 N 5-6
20FT WIND PM (MPH) SW 6-9 LGT/VAR N 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 20
PRECIP AMOUNT (IN) 0.50-0.75 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2000 3000
MAX MIXING HGT (FT) 3000 4800
TRANSPORT WND (MPH) SW 12 N 8
VENT RATE (MPH-FT) 39000 38400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHEAST WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.
ILZ021-122115-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 30 10
MAX TEMP (24HR TREND) 86 (+1) 83
MIN RH % (24HR TREND) 66 (-2) 57
MIN TEMP (24HR TREND) 67 (-3) 61
MAX RH % (24HR TREND) 100 (0) 98
20FT WIND AM (MPH) S 6-9 LGT/VAR
20FT WIND PM (MPH) SW 6-9 LGT/VAR N 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 19
PRECIP AMOUNT (IN) 0.50-0.75 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2200 2700
MAX MIXING HGT (FT) 3500 5000
TRANSPORT WND (MPH) SW 13 N 6
VENT RATE (MPH-FT) 49000 35000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ022-122115-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 40 10
MAX TEMP (24HR TREND) 88 (+2) 84
MIN RH % (24HR TREND) 63 (0) 52
MIN TEMP (24HR TREND) 67 (-3) 61
MAX RH % (24HR TREND) 100 (0) 99
20FT WIND AM (MPH) S 7-10 LGT/VAR
20FT WIND PM (MPH) SW 7-10 LGT/VAR N 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 21
PRECIP AMOUNT (IN) 0.50-0.75 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2500 3500
MAX MIXING HGT (FT) 4200 5400
TRANSPORT WND (MPH) SW 13 N 6
VENT RATE (MPH-FT) 58800 37800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND
5 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ032-122115-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 30 10
MAX TEMP (24HR TREND) 88 (+1) 83
MIN RH % (24HR TREND) 63 (-11) 61
MIN TEMP (24HR TREND) 67 (-3) 61
MAX RH % (24HR TREND) 100 (0) 100
20FT WIND AM (MPH) S 6-9 LGT/VAR
20FT WIND PM (MPH) SW 6-9 LGT/VAR N 4-5 LGT/VAR
PEAK WIND GUSTS (MPH) 20
PRECIP AMOUNT (IN) 0.50-0.75 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 2700 2500
MAX MIXING HGT (FT) 4500 4500
TRANSPORT WND (MPH) SW 13 N 6
VENT RATE (MPH-FT) 63000 31500
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ023-122115-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 50 10
MAX TEMP (24HR TREND) 88 (+3) 83
MIN RH % (24HR TREND) 61 (-9) 59
MIN TEMP (24HR TREND) 67 (-3) 60
MAX RH % (24HR TREND) 100 (+1) 99
20FT WIND AM (MPH) S 6-9 LGT/VAR
20FT WIND PM (MPH) SW 6-9 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 20
PRECIP AMOUNT (IN) 0.50-0.75 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 2700 3000
MAX MIXING HGT (FT) 4700 5000
TRANSPORT WND (MPH) SW 13 N 6
VENT RATE (MPH-FT) 65800 35000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
ILZ039-122115-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 50 10
MAX TEMP (24HR TREND) 89 (+1) 84
MIN RH % (24HR TREND) 59 (-12) 62
MIN TEMP (24HR TREND) 67 (-3) 60
MAX RH % (24HR TREND) 100 (+2) 99
20FT WIND AM (MPH) SW 7-9 LGT/VAR
20FT WIND PM (MPH) SW 7-9 LGT/VAR N 4-5 LGT/VAR
PEAK WIND GUSTS (MPH) 19
PRECIP AMOUNT (IN) 0.25-0.50 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 4000 2600
MAX MIXING HGT (FT) 4900 4000
TRANSPORT WND (MPH) SW 14 N 5
VENT RATE (MPH-FT) 73500 24000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. NORTH WINDS AROUND
5 MPH, BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ033-122115-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 10
MAX TEMP (24HR TREND) 89 (+1) 84
MIN RH % (24HR TREND) 58 (-11) 62
MIN TEMP (24HR TREND) 67 (-3) 59
MAX RH % (24HR TREND) 100 (+5) 97
20FT WIND AM (MPH) SW 7-9 LGT/VAR
20FT WIND PM (MPH) SW 7-9 LGT/VAR N 3-5 LGT/VAR
PEAK WIND GUSTS (MPH) 18
PRECIP AMOUNT (IN) 0.25-0.50 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 3600 2700
MAX MIXING HGT (FT) 5100 4000
TRANSPORT WND (MPH) SW 12 N 5
VENT RATE (MPH-FT) 66300 24000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
INZ010-122115-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 60 10
MAX TEMP (24HR TREND) 88 (+3) 83
MIN RH % (24HR TREND) 58 (-10) 62
MIN TEMP (24HR TREND) 67 (-2) 59
MAX RH % (24HR TREND) 100 (+2) 97
20FT WIND AM (MPH) SW 8-9 LGT/VAR
20FT WIND PM (MPH) SW 8-9 LGT/VAR N 3-5 LGT/VAR
PEAK WIND GUSTS (MPH) 19
PRECIP AMOUNT (IN) 0.25-0.50 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 3400 2700
MAX MIXING HGT (FT) 4900 4300
TRANSPORT WND (MPH) SW 12 N 8
VENT RATE (MPH-FT) 63700 34400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. LIGHT WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS, BECOMING
SOUTH AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
INZ011-122115-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
343 AM CDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 10
MAX TEMP (24HR TREND) 89 (+4) 83
MIN RH % (24HR TREND) 55 (-12) 60
MIN TEMP (24HR TREND) 68 (-1) 59
MAX RH % (24HR TREND) 100 (+1) 97
20FT WIND AM (MPH) SW 7-9 LGT/VAR
20FT WIND PM (MPH) SW 7-9 LGT/VAR N 4-6 LGT/VAR
PEAK WIND GUSTS (MPH) 18
PRECIP AMOUNT (IN) 0.25-0.50 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 3900 2600
MAX MIXING HGT (FT) 5100 4400
TRANSPORT WND (MPH) SW 12 N 9
VENT RATE (MPH-FT) 66300 39600
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
CLEAR. LOWS AROUND 60. LIGHT WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS, BECOMING
SOUTH AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH,
BECOMING EAST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
INZ019-122115-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
443 AM EDT TUE AUG 12 2025
TODAY TONIGHT WED WED NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 60 20 10
MAX TEMP (24HR TREND) 89 (0) 84
MIN RH % (24HR TREND) 55 (-12) 63
MIN TEMP (24HR TREND) 68 (-2) 60
MAX RH % (24HR TREND) 100 (+4) 97
20FT WIND AM (MPH) SW 7-9 LGT/VAR
20FT WIND PM (MPH) SW 7-9 LGT/VAR N 3-6 LGT/VAR
PEAK WIND GUSTS (MPH) 15
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.00 0.00
11 AM MIXING HGT (FT) 3700 2400
MAX MIXING HGT (FT) 5500 3900
TRANSPORT WND (MPH) SW 11 N 8
VENT RATE (MPH-FT) 66000 31200
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. LIGHT WINDS.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. LIGHT
WINDS.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT
WINDS.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
DOOM
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