470
FNUS53 KLOT 270906
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
406 AM CDT THU AUG 27 2026
DISCUSSION
LIGHT NORTHWEST WINDS ARE EXPECTED TODAY WITH A LAKE BREEZE
TURNING WINDS NORTHEAST NEAR LAKE MICHIGAN IN THE AFTERNOON. WHILE
MOST AREAS ARE EXPECTED TO REMAIN RAIN-FREE TODAY, A STRAY SHOWER
CAN'T BE RULED OUT IN THE AFTERNOON NEAR THE LAKE BREEZE.
RELATIVE HUMIDITY VALUES ARE FORECAST TO DROP INTO THE 40 TO 50
PERCENT RANGE THIS AFTERNOON AWAY FROM THE LAKE.
THE BREAK FROM RAIN CHANCES IS EXPECTED TO CONTINUE THROUGH
SATURDAY AFTERNOON WITH NEAR SEASONABLE TEMPERATURES. INCREASING
HEAT AND HUMIDITY IS THEN EXPECTED HEADING INTO NEXT WEEK ALONG
WITH THE RETURN OF PERIODIC SHOWER AND THUNDERSTORM CHANCES TO THE
REGION.
ILZ014-272130-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 81 (-3) 82
MIN RH % (24HR TREND) 46 (-1) 42
MIN TEMP (24HR TREND) 61 (-5) 62
MAX RH % (24HR TREND) 93 (+5) 85
20FT WIND AM (MPH) N 5-6 LGT/VAR
20FT WIND PM (MPH) NE 5-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4200 3800
MAX MIXING HGT (FT) 5800 6300
TRANSPORT WND (MPH) N 9 NE 6
VENT RATE (MPH-FT) 52200 44100
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY SUNNY.
HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. EAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
ILZ006-272130-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 80 (-3) 80
MIN RH % (24HR TREND) 49 (-2) 45
MIN TEMP (24HR TREND) 59 (-3) 61
MAX RH % (24HR TREND) 98 (+6) 87
20FT WIND AM (MPH) NW 5-6 LGT/VAR
20FT WIND PM (MPH) NE 5-6 LGT/VAR S 2-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 3300
MAX MIXING HGT (FT) 5400 5600
TRANSPORT WND (MPH) N 10 NE 8
VENT RATE (MPH-FT) 54000 44800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS
IN THE MID 80S. SOUTH WINDS AROUND 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY CLOUDY
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 70. SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING, BECOMING
LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
SOUTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
INZ001-272130-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 80 (-3) 81
MIN RH % (24HR TREND) 50 (-2) 44
MIN TEMP (24HR TREND) 59 (-5) 58
MAX RH % (24HR TREND) 96 (-2) 93
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) N 4-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 3200
MAX MIXING HGT (FT) 4700 5600
TRANSPORT WND (MPH) N 10 NE 6
VENT RATE (MPH-FT) 47000 39200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
INZ002-272130-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 79 (-4) 80
MIN RH % (24HR TREND) 53 (-1) 44
MIN TEMP (24HR TREND) 58 (-7) 58
MAX RH % (24HR TREND) 98 (+3) 94
20FT WIND AM (MPH) NW 5-6 LGT/VAR
20FT WIND PM (MPH) N 5-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3300 3000
MAX MIXING HGT (FT) 4000 5200
TRANSPORT WND (MPH) N 11 NE 6
VENT RATE (MPH-FT) 48000 36400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
ILZ013-272130-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 81 (-3) 82
MIN RH % (24HR TREND) 46 (-3) 43
MIN TEMP (24HR TREND) 60 (-4) 61
MAX RH % (24HR TREND) 95 (+6) 89
20FT WIND AM (MPH) N 5-6 LGT/VAR
20FT WIND PM (MPH) N 5-6 LGT/VAR W 2-5 LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4100 3700
MAX MIXING HGT (FT) 5900 6200
TRANSPORT WND (MPH) NW 10 SE 6
VENT RATE (MPH-FT) 59000 43400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS
AROUND 5 MPH.
ILZ012-272130-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 80 (-2) 81
MIN RH % (24HR TREND) 48 (-6) 45
MIN TEMP (24HR TREND) 59 (-3) 60
MAX RH % (24HR TREND) 97 (+3) 91
20FT WIND AM (MPH) NW 5-6 LGT/VAR
20FT WIND PM (MPH) NW 5-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3200 2900
MAX MIXING HGT (FT) 5100 5600
TRANSPORT WND (MPH) NW 12 S 6
VENT RATE (MPH-FT) 66300 39200
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ005-272130-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 80 (-1) 81
MIN RH % (24HR TREND) 47 (-6) 45
MIN TEMP (24HR TREND) 58 (-3) 60
MAX RH % (24HR TREND) 97 (+3) 89
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NW 4-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3400 2800
MAX MIXING HGT (FT) 5100 5600
TRANSPORT WND (MPH) NW 11 S 9
VENT RATE (MPH-FT) 61200 50400
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S.
SOUTH WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY CLOUDY
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY SUNNY.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT
WINDS.
ILZ004-272130-
BOONE-
INCLUDING THE CITY OF BELVIDERE
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 79 (-2) 81
MIN RH % (24HR TREND) 45 (-9) 43
MIN TEMP (24HR TREND) 57 (-5) 60
MAX RH % (24HR TREND) 97 (+2) 89
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) N 4-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3200 2600
MAX MIXING HGT (FT) 5200 5700
TRANSPORT WND (MPH) N 11 SW 8
VENT RATE (MPH-FT) 62400 45600
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S.
SOUTH WINDS AROUND 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. SOUTH WINDS AROUND
10 MPH.
MONDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ011-272130-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 80 (-2) 81
MIN RH % (24HR TREND) 47 (-6) 45
MIN TEMP (24HR TREND) 58 (-3) 60
MAX RH % (24HR TREND) 97 (+1) 90
20FT WIND AM (MPH) NW 5-6 LGT/VAR
20FT WIND PM (MPH) NW 5-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 2600
MAX MIXING HGT (FT) 5000 5200
TRANSPORT WND (MPH) NW 11 SW 6
VENT RATE (MPH-FT) 60000 36400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S. SOUTH WINDS
10 TO 15 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
70. SOUTH WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ003-272130-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 80 (-3) 82
MIN RH % (24HR TREND) 44 (-5) 42
MIN TEMP (24HR TREND) 56 (-5) 60
MAX RH % (24HR TREND) 98 (+5) 89
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NW 4-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3600 2700
MAX MIXING HGT (FT) 5600 5800
TRANSPORT WND (MPH) N 11 SW 8
VENT RATE (MPH-FT) 67200 46400
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S.
SOUTH WINDS 10 TO 15 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. SOUTH WINDS 10 TO
15 MPH.
MONDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ008-272130-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 80 (-3) 82
MIN RH % (24HR TREND) 45 (-5) 44
MIN TEMP (24HR TREND) 57 (-4) 60
MAX RH % (24HR TREND) 95 (0) 87
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NW 4-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3600 2500
MAX MIXING HGT (FT) 5500 5400
TRANSPORT WND (MPH) NW 12 SW 6
VENT RATE (MPH-FT) 71500 37800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S.
SOUTH WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 70S. SOUTH WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ010-272130-
LEE-
INCLUDING THE CITY OF DIXON
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 81 (-1) 82
MIN RH % (24HR TREND) 47 (-5) 44
MIN TEMP (24HR TREND) 58 (-2) 60
MAX RH % (24HR TREND) 96 (-1) 88
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NW 4-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3200 2600
MAX MIXING HGT (FT) 5200 5200
TRANSPORT WND (MPH) NW 12 S 6
VENT RATE (MPH-FT) 67600 36400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S. SOUTH WINDS
10 TO 15 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 70S. SOUTH WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
ILZ019-272130-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 81 (-3) 82
MIN RH % (24HR TREND) 49 (-3) 44
MIN TEMP (24HR TREND) 59 (-3) 60
MAX RH % (24HR TREND) 93 (-2) 87
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NW 4-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2600 2700
MAX MIXING HGT (FT) 4400 5200
TRANSPORT WND (MPH) NW 10 E 5
VENT RATE (MPH-FT) 44000 31200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ020-272130-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 81 (-3) 82
MIN RH % (24HR TREND) 48 (-3) 45
MIN TEMP (24HR TREND) 59 (-3) 60
MAX RH % (24HR TREND) 97 (0) 91
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NW 4-6 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2800 2600
MAX MIXING HGT (FT) 4600 5100
TRANSPORT WND (MPH) NW 12 S 5
VENT RATE (MPH-FT) 59800 30600
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ021-272130-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 82 (-2) 83
MIN RH % (24HR TREND) 49 (-2) 45
MIN TEMP (24HR TREND) 60 (-3) 60
MAX RH % (24HR TREND) 95 (-2) 90
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) NW 4-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2600 2600
MAX MIXING HGT (FT) 4400 5300
TRANSPORT WND (MPH) NW 11 E 5
VENT RATE (MPH-FT) 52800 31800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. LIGHT WINDS.
ILZ022-272130-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 81 (-3) 82
MIN RH % (24HR TREND) 47 (-3) 45
MIN TEMP (24HR TREND) 60 (-4) 60
MAX RH % (24HR TREND) 97 (+2) 92
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) N 4-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3400 3000
MAX MIXING HGT (FT) 4600 5300
TRANSPORT WND (MPH) NW 11 NE 5
VENT RATE (MPH-FT) 55200 31800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH.
ILZ032-272130-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 81 (-3) 82
MIN RH % (24HR TREND) 50 (-4) 46
MIN TEMP (24HR TREND) 59 (-3) 59
MAX RH % (24HR TREND) 97 (-1) 91
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) N 3-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2700 2700
MAX MIXING HGT (FT) 4300 5300
TRANSPORT WND (MPH) NW 10 E 5
VENT RATE (MPH-FT) 43000 31800
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. LIGHT
WINDS, BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS
AROUND 5 MPH.
ILZ023-272130-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 81 (-2) 82
MIN RH % (24HR TREND) 50 (-4) 45
MIN TEMP (24HR TREND) 59 (-4) 58
MAX RH % (24HR TREND) 96 (-2) 93
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) N 3-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 2800
MAX MIXING HGT (FT) 4200 5500
TRANSPORT WND (MPH) NW 9 NE 4
VENT RATE (MPH-FT) 37800 27500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. LIGHT
WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT
WINDS.
ILZ039-272130-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 80 (-3) 81
MIN RH % (24HR TREND) 52 (-9) 47
MIN TEMP (24HR TREND) 59 (-4) 59
MAX RH % (24HR TREND) 95 (-3) 92
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) N 4-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2900 2800
MAX MIXING HGT (FT) 4300 5500
TRANSPORT WND (MPH) NW 9 NE 5
VENT RATE (MPH-FT) 38700 33000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS
AROUND 5 MPH.
ILZ033-272130-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 81 (-2) 81
MIN RH % (24HR TREND) 51 (-6) 45
MIN TEMP (24HR TREND) 58 (-4) 58
MAX RH % (24HR TREND) 95 (-3) 92
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2900 2900
MAX MIXING HGT (FT) 4300 5800
TRANSPORT WND (MPH) NW 9 NE 4
VENT RATE (MPH-FT) 38700 29000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. LIGHT
WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. LIGHT WINDS.
INZ010-272130-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 80 (-2) 80
MIN RH % (24HR TREND) 51 (-5) 44
MIN TEMP (24HR TREND) 58 (-4) 58
MAX RH % (24HR TREND) 96 (-3) 93
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) N 3-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 2800
MAX MIXING HGT (FT) 4500 5700
TRANSPORT WND (MPH) NW 10 NE 5
VENT RATE (MPH-FT) 45000 34200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS 5 TO
10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT
WINDS.
INZ011-272130-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
406 AM CDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 80 (-2) 80
MIN RH % (24HR TREND) 51 (-6) 44
MIN TEMP (24HR TREND) 58 (-4) 58
MAX RH % (24HR TREND) 97 (-2) 94
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) N 3-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3300 2800
MAX MIXING HGT (FT) 4500 5700
TRANSPORT WND (MPH) N 9 NE 5
VENT RATE (MPH-FT) 40500 34200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS AROUND
10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
SOUTHWEST WINDS AROUND 5 MPH.
INZ019-272130-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
506 AM EDT THU AUG 27 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 80 (-2) 80
MIN RH % (24HR TREND) 52 (-11) 46
MIN TEMP (24HR TREND) 59 (-3) 58
MAX RH % (24HR TREND) 94 (-4) 93
20FT WIND AM (MPH) LGT/VAR LGT/VAR
20FT WIND PM (MPH) N 3-5 LGT/VAR LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH)
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 2700
MAX MIXING HGT (FT) 4500 5500
TRANSPORT WND (MPH) NW 9 NE 5
VENT RATE (MPH-FT) 40500 33000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS 5 TO
10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. LIGHT
WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. LIGHT WINDS,
BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
PETR
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