824
FNUS53 KLOT 110905
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
405 AM CDT MON AUG 11 2025
DISCUSSION
A FEW SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THIS MORNING AND
AFTERNOON, MAINLY SOUTH OF I-80. ADDITIONAL STORM CHANCES THIS
EVENING AND OVERNIGHT SHOULD FOCUS NEAR AND NORTHWEST OF I-55.
AFTERNOON HIGHS ARE FORECAST IN THE MIDDLE AND UPPER 80S. EXPECT
WINDS OUT OF THE SOUTHWEST AT AROUND 10 MPH WITH GUSTS TO AROUND
20 MPH TODAY.
MORE SCATTERED SHOWERS AND STORMS ARE EXPECTED ON TUESDAY WITH
LARGELY RAIN-FREE CONDITIONS ANTICIPATED FOR THE LATTER HALF OF
THE WEEK. HIGH TEMPERATURES IN THE LOWER AND MIDDLE 80S DURING THE
MIDDLE OF THE WEEK WILL WARM INTO THE UPPER 80S AND LOWER 90S
TOWARD THE WEEKEND.
ILZ014-112145-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 40 60 10
MAX TEMP (24HR TREND) 87 (-2) 84
MIN RH % (24HR TREND) 54 (-1) 66
MIN TEMP (24HR TREND) 70 (-4) 67
MAX RH % (24HR TREND) 96 (+7) 98
20FT WIND AM (MPH) SW 8 SW 6-7
20FT WIND PM (MPH) SW 8 SW 5 SW 6-7 LGT/VAR
PEAK WIND GUSTS (MPH) 16 15
PRECIP AMOUNT (IN) 0.05-0.10 0.25-0.50 0.10-0.25 0.01-0.05
11 AM MIXING HGT (FT) 2800 2200
MAX MIXING HGT (FT) 4900 4600
TRANSPORT WND (MPH) SW 11 SW 16
VENT RATE (MPH-FT) 58800 73600
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
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
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. NORTHWEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
ILZ006-112145-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 60 50 10
MAX TEMP (24HR TREND) 86 (0) 83
MIN RH % (24HR TREND) 57 (-7) 73
MIN TEMP (24HR TREND) 70 (-3) 64
MAX RH % (24HR TREND) 99 (+5) 98
20FT WIND AM (MPH) SW 7-8 SW 6-7
20FT WIND PM (MPH) W 7-8 LGT/VAR SW 6-7 LGT/VAR
PEAK WIND GUSTS (MPH) 14
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.25-0.50 0.00
11 AM MIXING HGT (FT) 2600 2400
MAX MIXING HGT (FT) 4600 3400
TRANSPORT WND (MPH) W 11 SW 14
VENT RATE (MPH-FT) 55200 51000
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE EVENING. LOWS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
INZ001-112145-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 70 20
MAX TEMP (24HR TREND) 86 (-3) 85
MIN RH % (24HR TREND) 60 (+5) 68
MIN TEMP (24HR TREND) 69 (-4) 67
MAX RH % (24HR TREND) 99 (+7) 100
20FT WIND AM (MPH) SW 9 SW 6-7
20FT WIND PM (MPH) SW 9 LGT/VAR SW 6-7 LGT/VAR
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.05-0.10 0.10-0.25 0.50-0.75 0.01-0.05
11 AM MIXING HGT (FT) 2900 2400
MAX MIXING HGT (FT) 4900 4500
TRANSPORT WND (MPH) SW 16 SW 14
VENT RATE (MPH-FT) 78400 67500
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 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 IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
INZ002-112145-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 20 70 20
MAX TEMP (24HR TREND) 88 (-2) 85
MIN RH % (24HR TREND) 58 (+2) 65
MIN TEMP (24HR TREND) 70 (-2) 68
MAX RH % (24HR TREND) 98 (0) 100
20FT WIND AM (MPH) SW 9 SW 6-7
20FT WIND PM (MPH) SW 9 LGT/VAR SW 6-7 LGT/VAR
PEAK WIND GUSTS (MPH) 17
PRECIP AMOUNT (IN) 0.05-0.10 0.10-0.25 0.50-0.75 0.05-0.10
11 AM MIXING HGT (FT) 3100 2200
MAX MIXING HGT (FT) 4800 4200
TRANSPORT WND (MPH) SW 16 SW 14
VENT RATE (MPH-FT) 76800 63000
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
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 IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. WEST WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
ILZ013-112145-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 50 60 10
MAX TEMP (24HR TREND) 86 (-2) 84
MIN RH % (24HR TREND) 56 (-3) 69
MIN TEMP (24HR TREND) 70 (-3) 67
MAX RH % (24HR TREND) 98 (+7) 99
20FT WIND AM (MPH) SW 7-8 SW 6-7
20FT WIND PM (MPH) SW 7-8 SW 5 SW 6-7 LGT/VAR
PEAK WIND GUSTS (MPH) 13 15
PRECIP AMOUNT (IN) 0.05-0.10 0.25-0.50 0.10-0.25 0.00
11 AM MIXING HGT (FT) 2500 2000
MAX MIXING HGT (FT) 4800 3900
TRANSPORT WND (MPH) SW 11 SW 16
VENT RATE (MPH-FT) 57600 62400
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 70. WEST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
ILZ012-112145-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 50 60 10
MAX TEMP (24HR TREND) 85 (0) 82
MIN RH % (24HR TREND) 60 (-7) 74
MIN TEMP (24HR TREND) 69 (-3) 64
MAX RH % (24HR TREND) 99 (+2) 100
20FT WIND AM (MPH) SW 7 SW 6-7
20FT WIND PM (MPH) SW 7 LGT/VAR SW 6-7 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.10-0.25 0.00
11 AM MIXING HGT (FT) 2300 1900
MAX MIXING HGT (FT) 4200 2900
TRANSPORT WND (MPH) SW 11 SW 14
VENT RATE (MPH-FT) 50400 43500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
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 UPPER 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
ILZ005-112145-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 60 50 10
MAX TEMP (24HR TREND) 84 (+2) 82
MIN RH % (24HR TREND) 61 (-14) 75
MIN TEMP (24HR TREND) 68 (-4) 62
MAX RH % (24HR TREND) 100 (+1) 100
20FT WIND AM (MPH) SW 7 SW 5-7
20FT WIND PM (MPH) SW 7 LGT/VAR SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.25-0.50 0.00
11 AM MIXING HGT (FT) 2300 1900
MAX MIXING HGT (FT) 4100 2800
TRANSPORT WND (MPH) W 11 SW 14
VENT RATE (MPH-FT) 49200 42000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. LIGHT WINDS.
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. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
A CHANCE OF SHOWERS IN THE EVENING. PARTLY
CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
ILZ004-112145-
BOONE-
INCLUDING THE CITY OF BELVIDERE
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 60 40 10
MAX TEMP (24HR TREND) 83 (+4) 81
MIN RH % (24HR TREND) 65 (-18) 74
MIN TEMP (24HR TREND) 68 (-3) 61
MAX RH % (24HR TREND) 100 (0) 100
20FT WIND AM (MPH) W 5-6 SW 5-6
20FT WIND PM (MPH) SW 5-6 LGT/VAR SW 5-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.10-0.25 0.10-0.25 0.00
11 AM MIXING HGT (FT) 2200 1800
MAX MIXING HGT (FT) 4200 2500
TRANSPORT WND (MPH) SW 11 SW 13
VENT RATE (MPH-FT) 50400 35000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS, BECOMING
NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS.
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 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. NORTHEAST WINDS AROUND 5 MPH.
ILZ011-112145-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 60 50 10
MAX TEMP (24HR TREND) 85 (+3) 82
MIN RH % (24HR TREND) 61 (-15) 73
MIN TEMP (24HR TREND) 69 (-2) 63
MAX RH % (24HR TREND) 99 (-1) 100
20FT WIND AM (MPH) SW 6 SW 5-7
20FT WIND PM (MPH) SW 6 LGT/VAR SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.25-0.50 0.00
11 AM MIXING HGT (FT) 2200 1900
MAX MIXING HGT (FT) 4000 2400
TRANSPORT WND (MPH) SW 9 SW 13
VENT RATE (MPH-FT) 36000 33600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. LIGHT WINDS.
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 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 UPPER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
ILZ003-112145-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 60 40 10
MAX TEMP (24HR TREND) 84 (+5) 82
MIN RH % (24HR TREND) 63 (-21) 70
MIN TEMP (24HR TREND) 68 (-3) 61
MAX RH % (24HR TREND) 100 (0) 100
20FT WIND AM (MPH) SW 5-6 SW 5-7
20FT WIND PM (MPH) SW 5-6 LGT/VAR SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.10-0.25 0.10-0.25 0.00
11 AM MIXING HGT (FT) 2300 1800
MAX MIXING HGT (FT) 4300 2700
TRANSPORT WND (MPH) SW 11 SW 13
VENT RATE (MPH-FT) 51600 37800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS AROUND 80. NORTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS.
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
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
ILZ008-112145-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 60 40 10
MAX TEMP (24HR TREND) 85 (+5) 82
MIN RH % (24HR TREND) 63 (-19) 71
MIN TEMP (24HR TREND) 68 (-2) 62
MAX RH % (24HR TREND) 100 (0) 100
20FT WIND AM (MPH) SW 5-6 SW 5-7
20FT WIND PM (MPH) SW 5-6 LGT/VAR SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.10-0.25 0.10-0.25 0.00
11 AM MIXING HGT (FT) 2300 1800
MAX MIXING HGT (FT) 4100 2500
TRANSPORT WND (MPH) SW 10 SW 13
VENT RATE (MPH-FT) 41000 35000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. LIGHT WINDS.
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 UPPER 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
ILZ010-112145-
LEE-
INCLUDING THE CITY OF DIXON
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 60 50 10
MAX TEMP (24HR TREND) 85 (+5) 82
MIN RH % (24HR TREND) 63 (-20) 75
MIN TEMP (24HR TREND) 68 (-2) 63
MAX RH % (24HR TREND) 100 (0) 100
20FT WIND AM (MPH) SW 5 SW 5-6
20FT WIND PM (MPH) SW 5 LGT/VAR SW 5-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.25-0.50 0.25-0.50 0.00
11 AM MIXING HGT (FT) 1900 1900
MAX MIXING HGT (FT) 3700 2400
TRANSPORT WND (MPH) SW 8 SW 12
VENT RATE (MPH-FT) 29600 31200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. LIGHT WINDS.
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 UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
ILZ019-112145-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 50 60 10
MAX TEMP (24HR TREND) 85 (+2) 82
MIN RH % (24HR TREND) 66 (-7) 74
MIN TEMP (24HR TREND) 69 (-1) 66
MAX RH % (24HR TREND) 97 (-2) 99
20FT WIND AM (MPH) SW 7 SW 5-6
20FT WIND PM (MPH) SW 7 LGT/VAR SW 5-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.10-0.25 0.25-0.50 0.00
11 AM MIXING HGT (FT) 2300 1900
MAX MIXING HGT (FT) 3700 2700
TRANSPORT WND (MPH) SW 10 SW 13
VENT RATE (MPH-FT) 37000 37800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
ILZ020-112145-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 40 60 10
MAX TEMP (24HR TREND) 85 (0) 83
MIN RH % (24HR TREND) 63 (-6) 74
MIN TEMP (24HR TREND) 70 (-1) 66
MAX RH % (24HR TREND) 99 (+1) 100
20FT WIND AM (MPH) SW 7-8 SW 5-7
20FT WIND PM (MPH) SW 7-8 LGT/VAR SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.05-0.10 0.10-0.25 0.25-0.50 0.00
11 AM MIXING HGT (FT) 2300 1900
MAX MIXING HGT (FT) 3800 2900
TRANSPORT WND (MPH) SW 10 SW 14
VENT RATE (MPH-FT) 38000 43500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
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 AROUND 90. SOUTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. NORTH WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
ILZ021-112145-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 40 60 10
MAX TEMP (24HR TREND) 85 (-1) 84
MIN RH % (24HR TREND) 66 (+1) 74
MIN TEMP (24HR TREND) 70 (-1) 67
MAX RH % (24HR TREND) 98 (-2) 100
20FT WIND AM (MPH) SW 7 SW 5-6
20FT WIND PM (MPH) SW 7 LGT/VAR SW 5-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.10-0.25 0.25-0.50 0.01-0.05
11 AM MIXING HGT (FT) 2400 2000
MAX MIXING HGT (FT) 3900 3700
TRANSPORT WND (MPH) SW 12 W 13
VENT RATE (MPH-FT) 50700 51800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 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
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 70. EAST WINDS AROUND 5 MPH.
ILZ022-112145-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 70 20
MAX TEMP (24HR TREND) 85 (-3) 84
MIN RH % (24HR TREND) 63 (+3) 72
MIN TEMP (24HR TREND) 70 (-2) 67
MAX RH % (24HR TREND) 99 (+4) 100
20FT WIND AM (MPH) SW 7-8 SW 6-7
20FT WIND PM (MPH) SW 7-8 LGT/VAR SW 6-7 LGT/VAR
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.10-0.25 0.10-0.25 0.25-0.50 0.01-0.05
11 AM MIXING HGT (FT) 2600 2100
MAX MIXING HGT (FT) 4300 3700
TRANSPORT WND (MPH) SW 13 SW 14
VENT RATE (MPH-FT) 60200 55500
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
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 LOWER 90S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
ILZ032-112145-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 30 70 20
MAX TEMP (24HR TREND) 87 (+1) 85
MIN RH % (24HR TREND) 64 (+2) 72
MIN TEMP (24HR TREND) 70 (0) 67
MAX RH % (24HR TREND) 99 (+2) 100
20FT WIND AM (MPH) SW 7 SW 5-7
20FT WIND PM (MPH) SW 7 LGT/VAR SW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.10-0.25 0.25-0.50 0.01-0.05
11 AM MIXING HGT (FT) 2400 2800
MAX MIXING HGT (FT) 3400 3800
TRANSPORT WND (MPH) SW 13 SW 14
VENT RATE (MPH-FT) 47600 57000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 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 IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 90. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER 60S. EAST
WINDS AROUND 5 MPH.
ILZ023-112145-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 30 70 20
MAX TEMP (24HR TREND) 86 (-2) 85
MIN RH % (24HR TREND) 63 (+6) 70
MIN TEMP (24HR TREND) 69 (-2) 67
MAX RH % (24HR TREND) 99 (+1) 100
20FT WIND AM (MPH) SW 8 SW 5-6
20FT WIND PM (MPH) SW 8 LGT/VAR SW 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 15
PRECIP AMOUNT (IN) 0.05-0.10 0.10-0.25 0.50-0.75 0.01-0.05
11 AM MIXING HGT (FT) 2600 2500
MAX MIXING HGT (FT) 3900 4100
TRANSPORT WND (MPH) SW 14 SW 14
VENT RATE (MPH-FT) 58500 61500
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
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 UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 90. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
ILZ039-112145-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 20 70 20
MAX TEMP (24HR TREND) 87 (-2) 86
MIN RH % (24HR TREND) 62 (+8) 66
MIN TEMP (24HR TREND) 70 (0) 68
MAX RH % (24HR TREND) 99 (+4) 100
20FT WIND AM (MPH) SW 7 SW 6-7
20FT WIND PM (MPH) SW 7 LGT/VAR SW 6-7 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.25-0.50 0.01-0.05
11 AM MIXING HGT (FT) 2400 3100
MAX MIXING HGT (FT) 3700 4500
TRANSPORT WND (MPH) SW 14 SW 16
VENT RATE (MPH-FT) 55500 72000
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS, BECOMING
EAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 90. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.
ILZ033-112145-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 20 70 30
MAX TEMP (24HR TREND) 88 (-2) 86
MIN RH % (24HR TREND) 58 (+5) 65
MIN TEMP (24HR TREND) 69 (-2) 67
MAX RH % (24HR TREND) 98 (+3) 100
20FT WIND AM (MPH) SW 7 SW 5-6
20FT WIND PM (MPH) SW 7 LGT/VAR SW 5-6 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.25-0.50 0.05-0.10
11 AM MIXING HGT (FT) 2500 3200
MAX MIXING HGT (FT) 3900 4500
TRANSPORT WND (MPH) SW 14 SW 14
VENT RATE (MPH-FT) 58500 67500
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
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 AROUND 90. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
INZ010-112145-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 20 70 30
MAX TEMP (24HR TREND) 87 (-1) 86
MIN RH % (24HR TREND) 59 (+1) 67
MIN TEMP (24HR TREND) 69 (-2) 67
MAX RH % (24HR TREND) 99 (+5) 100
20FT WIND AM (MPH) SW 8 SW 5-6
20FT WIND PM (MPH) SW 8 LGT/VAR SW 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 15
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.25-0.50 0.05-0.10
11 AM MIXING HGT (FT) 2700 3000
MAX MIXING HGT (FT) 4000 4700
TRANSPORT WND (MPH) SW 14 SW 16
VENT RATE (MPH-FT) 60000 75200
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
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. 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 AROUND 90. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
INZ011-112145-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
405 AM CDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 20 70 30
MAX TEMP (24HR TREND) 88 (0) 86
MIN RH % (24HR TREND) 58 (+1) 65
MIN TEMP (24HR TREND) 70 (-1) 68
MAX RH % (24HR TREND) 98 (+2) 100
20FT WIND AM (MPH) SW 8 SW 5-6
20FT WIND PM (MPH) SW 8 LGT/VAR SW 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.25-0.50 0.05-0.10
11 AM MIXING HGT (FT) 2900 3300
MAX MIXING HGT (FT) 4400 5200
TRANSPORT WND (MPH) SW 16 SW 16
VENT RATE (MPH-FT) 70400 83200
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. LIGHT WINDS.
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. 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.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
INZ019-112145-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
505 AM EDT MON AUG 11 2025
TODAY TONIGHT TUE TUE NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 20 70 40
MAX TEMP (24HR TREND) 88 (-1) 87
MIN RH % (24HR TREND) 58 (+2) 63
MIN TEMP (24HR TREND) 70 (-1) 68
MAX RH % (24HR TREND) 97 (+3) 100
20FT WIND AM (MPH) SW 8 SW 5-6
20FT WIND PM (MPH) SW 8 LGT/VAR SW 5-6 LGT/VAR
PEAK WIND GUSTS (MPH) 14
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.10-0.25 0.10-0.25
11 AM MIXING HGT (FT) 2400 3300
MAX MIXING HGT (FT) 4500 4500
TRANSPORT WND (MPH) SW 14 SW 13
VENT RATE (MPH-FT) 67500 63000
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. 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 AROUND 90. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
DOOM
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page