664
FNUS53 KLOT 170846
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
346 AM CDT WED JUN 17 2026
DISCUSSION
WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED
TODAY INTO EARLY THIS EVENING. SOME OF THE THUNDERSTORMS MAY
BECOME SEVERE, ESPECIALLY ALONG AND SOUTH OF I-80, BUT SEVERE
WEATHER IS POSSIBLE AREAWIDE. TORRENTIAL RAIN IS EXPECTED WITH
STORM TOTAL RAINFALL AMOUNTS OF 2 TO 3 INCHES POSSIBLE ACROSS MUCH
OF THE AREA. WITH MOIST SOIL CONDITIONS AND ELEVATED RIVERS AND
STREAMS FROM RECENT RAINS, IF THESE RAINFALL AMOUNTS MATERIALIZE,
FLASH FLOODING WILL BE LIKELY.
SOUTHEAST WINDS WILL GUST AS HIGH AS 35 MPH TODAY AND WILL SHIFT
TO THE SOUTHWEST, SOUTH OF A WARM FRONT, WHICH IS EXPECTED TO
LIFT AT LEAST INTO THE INTERSTATE 80 CORRIDOR THIS AFTERNOON.
WESTERLY WINDS MAY GUST AS HIGH AS 30 MPH TONIGHT INTO THURSDAY
MORNING.
WHILE MAINLY DRY WEATHER IS EXPECTED THURSDAY THROUGH SATURDAY,
THERE WILL BE LOW CHANCES FOR A FEW SHOWERS OR AN ISOLATED
THUNDERSTORM. ANOTHER STORM SYSTEM MAY MOVE ACROSS THE REGION
SUNDAY, BRINGING PERIODS OF SHOWERS AND THUNDERSTORMS.
ILZ014-172145-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 50 10 10
MAX TEMP (24HR TREND) 72 (-3) 73
MIN RH % (24HR TREND) 58 (+21) 56
MIN TEMP (24HR TREND) 58 (0) 55
MAX RH % (24HR TREND) 90 (+14) 92
20FT WIND AM (MPH) S 10-15 W 10-15
20FT WIND PM (MPH) S 10-15 W 10-15 W 10-15 W 5-6
PEAK WIND GUSTS (MPH) 30 27 21
PRECIP AMOUNT (IN) 2.00-2.50 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1800 3800
MAX MIXING HGT (FT) 1800 5500
TRANSPORT WND (MPH) SE 24 W 16
VENT RATE (MPH-FT) 43200 88000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. LIGHT WINDS, BECOMING EAST
AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 60. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ006-172145-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 30 10 10
MAX TEMP (24HR TREND) 66 (-10) 72
MIN RH % (24HR TREND) 64 (+25) 57
MIN TEMP (24HR TREND) 57 (+1) 52
MAX RH % (24HR TREND) 91 (+10) 96
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) SE 10-15 W 10-15 W 10-15 W 5-6
PEAK WIND GUSTS (MPH) 26 27 20
PRECIP AMOUNT (IN) 1.00-1.50 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1300 3600
MAX MIXING HGT (FT) 1900 5400
TRANSPORT WND (MPH) SE 19 W 17
VENT RATE (MPH-FT) 38000 91800
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ001-172145-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 60 10
MAX TEMP (24HR TREND) 72 (-4) 72
MIN RH % (24HR TREND) 59 (+24) 61
MIN TEMP (24HR TREND) 59 (+3) 54
MAX RH % (24HR TREND) 92 (+9) 100
20FT WIND AM (MPH) S 15-20 W 9-12
20FT WIND PM (MPH) S 15-20 W 10-15 W 9-12 LGT/VAR
PEAK WIND GUSTS (MPH) 31 29 23
PRECIP AMOUNT (IN) 1.50-2.00 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 1900 3500
MAX MIXING HGT (FT) 2000 5200
TRANSPORT WND (MPH) SW 29 W 16
VENT RATE (MPH-FT) 60000 83200
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 60. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. EAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ002-172145-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 70 10
MAX TEMP (24HR TREND) 72 (-4) 72
MIN RH % (24HR TREND) 61 (+20) 62
MIN TEMP (24HR TREND) 59 (+3) 54
MAX RH % (24HR TREND) 93 (+12) 100
20FT WIND AM (MPH) S 15-20 W 9-12
20FT WIND PM (MPH) S 15-20 SW 10-15 NW 9-12 LGT/VAR
PEAK WIND GUSTS (MPH) 32 31 25
PRECIP AMOUNT (IN) 1.50-2.00 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 2100 3400
MAX MIXING HGT (FT) 2100 4700
TRANSPORT WND (MPH) S 17 W 14
VENT RATE (MPH-FT) 35700 70500
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT WINDS,
BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 60. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ013-172145-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 40 10
MAX TEMP (24HR TREND) 70 (-5) 73
MIN RH % (24HR TREND) 60 (+23) 58
MIN TEMP (24HR TREND) 58 (+1) 54
MAX RH % (24HR TREND) 91 (+13) 95
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 W 10-15 W 10-15 W 5-6
PEAK WIND GUSTS (MPH) 27 26 20
PRECIP AMOUNT (IN) 2.00-2.50 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1800 3800
MAX MIXING HGT (FT) 1800 5300
TRANSPORT WND (MPH) S 19 W 16
VENT RATE (MPH-FT) 36000 84800
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING EAST AFTER
MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ012-172145-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 30
MAX TEMP (24HR TREND) 70 (-4) 73
MIN RH % (24HR TREND) 69 (+28) 59
MIN TEMP (24HR TREND) 57 (+2) 52
MAX RH % (24HR TREND) 90 (+8) 98
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 W 10-15 NW 10-15 W 5-6
PEAK WIND GUSTS (MPH) 28 27 20
PRECIP AMOUNT (IN) 2.00-2.50 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1500 3700
MAX MIXING HGT (FT) 1500 5100
TRANSPORT WND (MPH) SE 26 W 16
VENT RATE (MPH-FT) 39000 81600
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 60. WEST WINDS AROUND 5 MPH, BECOMING EAST
AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ005-172145-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 40 10
MAX TEMP (24HR TREND) 67 (-8) 72
MIN RH % (24HR TREND) 74 (+33) 57
MIN TEMP (24HR TREND) 56 (+1) 52
MAX RH % (24HR TREND) 92 (+8) 97
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) SE 10-15 W 10-15 W 10-15 LGT/VAR
PEAK WIND GUSTS (MPH) 25 26 20
PRECIP AMOUNT (IN) 1.50-2.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1400 3500
MAX MIXING HGT (FT) 1700 5000
TRANSPORT WND (MPH) SE 21 W 17
VENT RATE (MPH-FT) 37400 85000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER
50S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE MID 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS,
BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ004-172145-
BOONE-
INCLUDING THE CITY OF BELVIDERE
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 30 10
MAX TEMP (24HR TREND) 68 (-7) 72
MIN RH % (24HR TREND) 71 (+31) 55
MIN TEMP (24HR TREND) 56 (+1) 52
MAX RH % (24HR TREND) 91 (+7) 97
20FT WIND AM (MPH) S 9-11 NW 10-15
20FT WIND PM (MPH) SE 9-11 W 10-15 NW 10-15 LGT/VAR
PEAK WIND GUSTS (MPH) 26 27 20
PRECIP AMOUNT (IN) 1.50-2.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1400 3500
MAX MIXING HGT (FT) 1500 4900
TRANSPORT WND (MPH) SE 21 W 16
VENT RATE (MPH-FT) 33000 78400
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 50S. LIGHT WINDS, BECOMING EAST AROUND 5 MPH AFTER
MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE MID 50S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
ILZ011-172145-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 30
MAX TEMP (24HR TREND) 71 (-2) 73
MIN RH % (24HR TREND) 67 (+22) 55
MIN TEMP (24HR TREND) 57 (+2) 52
MAX RH % (24HR TREND) 89 (+8) 98
20FT WIND AM (MPH) SE 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 W 10-15 NW 10-15 W 5-6
PEAK WIND GUSTS (MPH) 29 28 20
PRECIP AMOUNT (IN) 2.00-2.50 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1300 3700
MAX MIXING HGT (FT) 1400 5000
TRANSPORT WND (MPH) S 26 W 16
VENT RATE (MPH-FT) 36400 80000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 50S. WEST WINDS AROUND 5 MPH,
BECOMING EAST AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ003-172145-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 30 10
MAX TEMP (24HR TREND) 70 (-4) 73
MIN RH % (24HR TREND) 70 (+29) 53
MIN TEMP (24HR TREND) 56 (+1) 51
MAX RH % (24HR TREND) 90 (+7) 97
20FT WIND AM (MPH) SE 10 NW 10-12
20FT WIND PM (MPH) SE 10 W 10-15 NW 10-12 LGT/VAR
PEAK WIND GUSTS (MPH) 27 26 19
PRECIP AMOUNT (IN) 1.50-2.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1500 3600
MAX MIXING HGT (FT) 1500 4700
TRANSPORT WND (MPH) SE 18 NW 18
VENT RATE (MPH-FT) 27000 84600
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 50S. LIGHT WINDS, BECOMING EAST
AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE EVENING,
THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS
IN THE MID 50S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ008-172145-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 30
MAX TEMP (24HR TREND) 71 (-2) 74
MIN RH % (24HR TREND) 68 (+22) 52
MIN TEMP (24HR TREND) 56 (+1) 52
MAX RH % (24HR TREND) 88 (+6) 97
20FT WIND AM (MPH) SE 11 NW 10-12
20FT WIND PM (MPH) S 11 W 10-15 NW 10-12 LGT/VAR
PEAK WIND GUSTS (MPH) 27 27 20
PRECIP AMOUNT (IN) 1.50-2.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1400 3600
MAX MIXING HGT (FT) 1500 4600
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (MPH-FT) 25500 69000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 50S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE EVENING,
THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER 50S.
NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ010-172145-
LEE-
INCLUDING THE CITY OF DIXON
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 100 20
MAX TEMP (24HR TREND) 73 (0) 74
MIN RH % (24HR TREND) 67 (+21) 53
MIN TEMP (24HR TREND) 57 (+3) 52
MAX RH % (24HR TREND) 89 (+11) 98
20FT WIND AM (MPH) SE 10-15 NW 10-15
20FT WIND PM (MPH) SW 10-15 W 10-15 W 10-15 LGT/VAR
PEAK WIND GUSTS (MPH) 28 28 20
PRECIP AMOUNT (IN) 2.00-2.50 0.00 0.00 0.00
11 AM MIXING HGT (FT) 1200 3700
MAX MIXING HGT (FT) 1400 4400
TRANSPORT WND (MPH) W 18 NW 18
VENT RATE (MPH-FT) 25200 79200
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 60. WEST WINDS AROUND
5 MPH, BECOMING EAST AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
ILZ019-172145-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY MCLEAR PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 30
MAX TEMP (24HR TREND) 75 (+1) 74
MIN RH % (24HR TREND) 64 (+24) 53
MIN TEMP (24HR TREND) 58 (+3) 54
MAX RH % (24HR TREND) 88 (+10) 93
20FT WIND AM (MPH) S 15-20 NW 10-12
20FT WIND PM (MPH) SW 15-20 W 10-15 NW 10-12 LGT/VAR
PEAK WIND GUSTS (MPH) 31 27 20
PRECIP AMOUNT (IN) 2.00-2.50 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1000 3700
MAX MIXING HGT (FT) 1600 4600
TRANSPORT WND (MPH) S 28 W 17
VENT RATE (MPH-FT) 46400 78200
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT WINDS,
BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 60. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ020-172145-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 40
MAX TEMP (24HR TREND) 73 (-2) 73
MIN RH % (24HR TREND) 67 (+30) 59
MIN TEMP (24HR TREND) 58 (+3) 54
MAX RH % (24HR TREND) 89 (+7) 98
20FT WIND AM (MPH) S 15-20 NW 10-15
20FT WIND PM (MPH) S 15-20 W 10-15 NW 10-15 W 5-6
PEAK WIND GUSTS (MPH) 29 27 20
PRECIP AMOUNT (IN) 2.00-2.50 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 1300 3800
MAX MIXING HGT (FT) 1400 5100
TRANSPORT WND (MPH) SW 21 W 17
VENT RATE (MPH-FT) 30800 86700
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ021-172145-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY MCLEAR PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 40
MAX TEMP (24HR TREND) 75 (-1) 74
MIN RH % (24HR TREND) 66 (+31) 59
MIN TEMP (24HR TREND) 59 (+4) 55
MAX RH % (24HR TREND) 89 (+8) 98
20FT WIND AM (MPH) S 15-20 NW 10-12
20FT WIND PM (MPH) S 15-20 W 10-15 W 10-12 LGT/VAR
PEAK WIND GUSTS (MPH) 31 26 19
PRECIP AMOUNT (IN) 2.00-2.50 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 1300 3700
MAX MIXING HGT (FT) 2000 4800
TRANSPORT WND (MPH) SW 29 W 17
VENT RATE (MPH-FT) 60000 81600
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 60S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. EAST
WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS AROUND 60. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING
NORTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ022-172145-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 100 50 10
MAX TEMP (24HR TREND) 73 (-3) 73
MIN RH % (24HR TREND) 60 (+24) 60
MIN TEMP (24HR TREND) 58 (+3) 54
MAX RH % (24HR TREND) 92 (+10) 100
20FT WIND AM (MPH) S 15-20 NW 10-15
20FT WIND PM (MPH) S 15-20 W 10-15 W 10-15 LGT/VAR
PEAK WIND GUSTS (MPH) 31 26 21
PRECIP AMOUNT (IN) 1.50-2.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 1500 3700
MAX MIXING HGT (FT) 1900 5100
TRANSPORT WND (MPH) SW 29 W 17
VENT RATE (MPH-FT) 57000 86700
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
60. LIGHT WINDS, BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. EAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ032-172145-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY MCLEAR PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 50
MAX TEMP (24HR TREND) 77 (+1) 74
MIN RH % (24HR TREND) 64 (+30) 60
MIN TEMP (24HR TREND) 59 (+4) 54
MAX RH % (24HR TREND) 90 (+9) 100
20FT WIND AM (MPH) S 15-20 NW 10-12
20FT WIND PM (MPH) S 15-20 W 10-15 NW 10-12 LGT/VAR
PEAK WIND GUSTS (MPH) 33 28 19
PRECIP AMOUNT (IN) 1.50-2.00 0.05-0.10 0.00 0.00
11 AM MIXING HGT (FT) 1200 3600
MAX MIXING HGT (FT) 2100 4600
TRANSPORT WND (MPH) S 35 W 18
VENT RATE (MPH-FT) 75600 82800
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT WINDS,
BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER
MIDNIGHT.
SUNDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTHEAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS AROUND 60. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ023-172145-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER CLOUDY MCLEAR PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 60
MAX TEMP (24HR TREND) 74 (-3) 73
MIN RH % (24HR TREND) 58 (+27) 59
MIN TEMP (24HR TREND) 59 (+4) 54
MAX RH % (24HR TREND) 92 (+12) 100
20FT WIND AM (MPH) S 15-20 NW 10-15
20FT WIND PM (MPH) S 15-20 W 10-15 W 10-15 LGT/VAR
PEAK WIND GUSTS (MPH) 32 27 23
PRECIP AMOUNT (IN) 1.50-2.00 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 1600 3600
MAX MIXING HGT (FT) 2100 4700
TRANSPORT WND (MPH) SW 33 W 18
VENT RATE (MPH-FT) 69300 84600
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 60. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. EAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ039-172145-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER MCLDY MCLEAR PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 70
MAX TEMP (24HR TREND) 77 (+1) 74
MIN RH % (24HR TREND) 61 (+21) 59
MIN TEMP (24HR TREND) 60 (+5) 54
MAX RH % (24HR TREND) 89 (+11) 99
20FT WIND AM (MPH) S 15-20 NW 10-12
20FT WIND PM (MPH) S 15-20 W 10-15 NW 10-12 LGT/VAR
PEAK WIND GUSTS (MPH) 34 31 19
PRECIP AMOUNT (IN) 1.00-1.50 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 1500 3500
MAX MIXING HGT (FT) 2200 4500
TRANSPORT WND (MPH) S 35 W 18
VENT RATE (MPH-FT) 79200 81000
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING
SOUTHEAST AFTER MIDNIGHT.
SUNDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTHEAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ033-172145-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER MCLDY MCLEAR PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 70
MAX TEMP (24HR TREND) 76 (-1) 74
MIN RH % (24HR TREND) 58 (+17) 57
MIN TEMP (24HR TREND) 60 (+5) 54
MAX RH % (24HR TREND) 89 (+11) 98
20FT WIND AM (MPH) S 15-20 W 10-12
20FT WIND PM (MPH) S 15-20 W 10-15 NW 10-12 LGT/VAR
PEAK WIND GUSTS (MPH) 34 31 19
PRECIP AMOUNT (IN) 1.50-2.00 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 1600 3600
MAX MIXING HGT (FT) 2200 4600
TRANSPORT WND (MPH) S 36 W 18
VENT RATE (MPH-FT) 81400 82800
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHEAST
WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS AROUND 60. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ010-172145-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER MCLDY MCLEAR PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 70 10
MAX TEMP (24HR TREND) 74 (-3) 72
MIN RH % (24HR TREND) 55 (+20) 60
MIN TEMP (24HR TREND) 60 (+5) 54
MAX RH % (24HR TREND) 90 (+7) 100
20FT WIND AM (MPH) S 15-20 W 10-15
20FT WIND PM (MPH) S 15-20 W 10-15 W 10-15 LGT/VAR
PEAK WIND GUSTS (MPH) 35 30 20
PRECIP AMOUNT (IN) 1.50-2.00 0.10-0.25 0.00 0.00
11 AM MIXING HGT (FT) 1900 3600
MAX MIXING HGT (FT) 2300 4800
TRANSPORT WND (MPH) S 36 W 18
VENT RATE (MPH-FT) 85100 86400
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 60. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ011-172145-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
346 AM CDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER MCLDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 100 80 10
MAX TEMP (24HR TREND) 74 (-2) 72
MIN RH % (24HR TREND) 56 (+15) 62
MIN TEMP (24HR TREND) 60 (+5) 54
MAX RH % (24HR TREND) 92 (+7) 100
20FT WIND AM (MPH) S 15-20 W 10-15
20FT WIND PM (MPH) S 15-20 W 10-15 W 10-15 LGT/VAR
PEAK WIND GUSTS (MPH) 35 32 20
PRECIP AMOUNT (IN) 1.50-2.00 0.25-0.50 0.00 0.00
11 AM MIXING HGT (FT) 2100 3500
MAX MIXING HGT (FT) 2200 4800
TRANSPORT WND (MPH) S 34 W 18
VENT RATE (MPH-FT) 77000 86400
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 60. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ019-172145-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
446 AM EDT WED JUN 17 2026
TODAY TONIGHT THU THU NIGHT
CLOUD COVER MCLDY PCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 90 80
MAX TEMP (24HR TREND) 75 (+1) 73
MIN RH % (24HR TREND) 60 (+3) 60
MIN TEMP (24HR TREND) 61 (+6) 55
MAX RH % (24HR TREND) 89 (+6) 98
20FT WIND AM (MPH) S 15-20 W 10-12
20FT WIND PM (MPH) S 15-20 W 10-15 NW 10-12 LGT/VAR
PEAK WIND GUSTS (MPH) 34 31 20
PRECIP AMOUNT (IN) 1.00-1.50 0.25-0.50 0.00 0.00
11 AM MIXING HGT (FT) 2000 3500
MAX MIXING HGT (FT) 2500 4600
TRANSPORT WND (MPH) S 35 W 18
VENT RATE (MPH-FT) 90000 82800
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT WINDS.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS
IN THE MID 70S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
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