160
FNUS53 KLOT 180848
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
348 AM CDT THU JUN 18 2026
DISCUSSION
MAINLY DRY WEATHER IS EXPECTED TODAY THROUGH SATURDAY,
THERE WILL BE LOW CHANCES FOR A FEW SHOWERS OR AN ISOLATED
THUNDERSTORM. ANOTHER STORM SYSTEM MAY MOVE ACROSS THE REGION
SUNDAY, LIKELY BRINGING MORE WIDESPREAD SHOWERS AND THUNDERSTORMS.
TEMPERATURES WILL REMAIN NEAR OR SLIGHTLY BELOW AVERAGE THROUGH EARLY
NEXT WEEK.
ILZ014-182130-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 72 (+3) 77
MIN RH % (24HR TREND) 51 (-15) 45
MIN TEMP (24HR TREND) 55 (-6) 58
MAX RH % (24HR TREND) 90 (-5) 93
20FT WIND AM (MPH) NW 10-15 NW 7-9
20FT WIND PM (MPH) NW 10-15 W 5 NW 7-9 W 5
PEAK WIND GUSTS (MPH) 23 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4000 5200
MAX MIXING HGT (FT) 5600 6200
TRANSPORT WND (MPH) NW 13 NW 16
VENT RATE (MPH-FT) 78400 99200
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 60. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. 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 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND
15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING
NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ006-182130-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 72 (+2) 75
MIN RH % (24HR TREND) 50 (-33) 46
MIN TEMP (24HR TREND) 53 (-7) 55
MAX RH % (24HR TREND) 93 (-1) 99
20FT WIND AM (MPH) NW 10-15 NW 7-9
20FT WIND PM (MPH) NW 10-15 W 5 NW 7-9 LGT/VAR
PEAK WIND GUSTS (MPH) 23 15
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 4800
MAX MIXING HGT (FT) 5300 5800
TRANSPORT WND (MPH) NW 14 NW 16
VENT RATE (MPH-FT) 79500 92800
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 70S. EAST
WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.
NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH, BECOMING EAST IN
THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ001-182130-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 71 (+5) 76
MIN RH % (24HR TREND) 59 (-15) 51
MIN TEMP (24HR TREND) 55 (-6) 56
MAX RH % (24HR TREND) 96 (-4) 99
20FT WIND AM (MPH) W 10-15 NW 6-9
20FT WIND PM (MPH) NW 10-15 LGT/VAR NW 6-9 LGT/VAR
PEAK WIND GUSTS (MPH) 23 15
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 5100
MAX MIXING HGT (FT) 4900 6100
TRANSPORT WND (MPH) NW 13 NW 14
VENT RATE (MPH-FT) 68600 91500
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. 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 UPPER 60S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ002-182130-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 70 (+5) 75
MIN RH % (24HR TREND) 61 (-12) 52
MIN TEMP (24HR TREND) 55 (-7) 57
MAX RH % (24HR TREND) 96 (-4) 98
20FT WIND AM (MPH) NW 10-15 NW 7
20FT WIND PM (MPH) NW 10-15 LGT/VAR NW 7 LGT/VAR
PEAK WIND GUSTS (MPH) 25
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3500 5200
MAX MIXING HGT (FT) 4500 5900
TRANSPORT WND (MPH) NW 11 NW 13
VENT RATE (MPH-FT) 54000 82600
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. 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 UPPER 60S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ013-182130-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 72 (+2) 76
MIN RH % (24HR TREND) 52 (-20) 46
MIN TEMP (24HR TREND) 54 (-6) 58
MAX RH % (24HR TREND) 94 (-1) 95
20FT WIND AM (MPH) NW 10-15 NW 7-10
20FT WIND PM (MPH) NW 10-15 W 5-6 W 7-10 W 5
PEAK WIND GUSTS (MPH) 21 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3900 5000
MAX MIXING HGT (FT) 5400 5900
TRANSPORT WND (MPH) NW 14 W 17
VENT RATE (MPH-FT) 81000 100300
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. 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 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
ILZ012-182130-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 72 (+3) 76
MIN RH % (24HR TREND) 55 (-29) 51
MIN TEMP (24HR TREND) 53 (-6) 56
MAX RH % (24HR TREND) 97 (0) 99
20FT WIND AM (MPH) NW 10-15 NW 7-10
20FT WIND PM (MPH) NW 10-15 W 5 W 7-10 W 5-6
PEAK WIND GUSTS (MPH) 23 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3800 4600
MAX MIXING HGT (FT) 5100 5500
TRANSPORT WND (MPH) NW 14 W 17
VENT RATE (MPH-FT) 76500 93500
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 70S. EAST
WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.
NORTHEAST WINDS AROUND 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 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 MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH
WINDS AROUND 5 MPH.
ILZ005-182130-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 30
MAX TEMP (24HR TREND) 72 (+4) 75
MIN RH % (24HR TREND) 53 (-33) 50
MIN TEMP (24HR TREND) 52 (-7) 55
MAX RH % (24HR TREND) 96 (+2) 99
20FT WIND AM (MPH) NW 10-15 NW 7-9
20FT WIND PM (MPH) NW 10-15 LGT/VAR NW 7-9 LGT/VAR
PEAK WIND GUSTS (MPH) 23 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3800 4500
MAX MIXING HGT (FT) 5100 5500
TRANSPORT WND (MPH) NW 16 W 16
VENT RATE (MPH-FT) 81600 88000
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
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. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 70S. EAST
WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.
NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS,
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT
WINDS.
ILZ004-182130-
BOONE-
INCLUDING THE CITY OF BELVIDERE
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 10 30
MAX TEMP (24HR TREND) 73 (+4) 76
MIN RH % (24HR TREND) 51 (-33) 46
MIN TEMP (24HR TREND) 52 (-7) 55
MAX RH % (24HR TREND) 95 (0) 100
20FT WIND AM (MPH) NW 10-15 NW 6-9
20FT WIND PM (MPH) NW 10-15 LGT/VAR NW 6-9 LGT/VAR
PEAK WIND GUSTS (MPH) 23 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3900 4500
MAX MIXING HGT (FT) 5200 5500
TRANSPORT WND (MPH) NW 14 W 16
VENT RATE (MPH-FT) 78000 88000
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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 MID 50S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 70S. EAST
WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS,
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST
IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ011-182130-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 72 (+4) 76
MIN RH % (24HR TREND) 53 (-35) 48
MIN TEMP (24HR TREND) 53 (-6) 56
MAX RH % (24HR TREND) 96 (-2) 98
20FT WIND AM (MPH) NW 10-15 NW 7-10
20FT WIND PM (MPH) NW 10-15 W 5-6 W 7-10 W 5-6
PEAK WIND GUSTS (MPH) 23 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3800 4500
MAX MIXING HGT (FT) 5200 5500
TRANSPORT WND (MPH) NW 14 W 17
VENT RATE (MPH-FT) 78000 93500
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID 50S.
NORTHEAST WINDS AROUND 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
ILZ003-182130-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 10 30
MAX TEMP (24HR TREND) 73 (+3) 76
MIN RH % (24HR TREND) 50 (-37) 46
MIN TEMP (24HR TREND) 52 (-7) 55
MAX RH % (24HR TREND) 95 (+3) 99
20FT WIND AM (MPH) NW 9-12 NW 7-9
20FT WIND PM (MPH) NW 9-12 LGT/VAR W 7-9 W 5
PEAK WIND GUSTS (MPH) 21 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3900 4400
MAX MIXING HGT (FT) 5300 5400
TRANSPORT WND (MPH) NW 13 W 17
VENT RATE (MPH-FT) 74200 91800
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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 MID 50S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.
NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS,
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ008-182130-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 30
MAX TEMP (24HR TREND) 73 (+3) 76
MIN RH % (24HR TREND) 52 (-33) 47
MIN TEMP (24HR TREND) 53 (-6) 56
MAX RH % (24HR TREND) 95 (+3) 99
20FT WIND AM (MPH) NW 9-12 NW 6-9
20FT WIND PM (MPH) NW 9-12 LGT/VAR W 6-9 W 5
PEAK WIND GUSTS (MPH) 23 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3800 4400
MAX MIXING HGT (FT) 5200 5400
TRANSPORT WND (MPH) NW 13 W 16
VENT RATE (MPH-FT) 72800 86400
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
10 TO 15 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 MID 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
ILZ010-182130-
LEE-
INCLUDING THE CITY OF DIXON
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 73 (+2) 77
MIN RH % (24HR TREND) 53 (-24) 48
MIN TEMP (24HR TREND) 53 (-6) 57
MAX RH % (24HR TREND) 96 (+5) 98
20FT WIND AM (MPH) NW 10-15 NW 6-8
20FT WIND PM (MPH) NW 10-15 LGT/VAR W 6-8 LGT/VAR
PEAK WIND GUSTS (MPH) 23 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 4400
MAX MIXING HGT (FT) 5200 5500
TRANSPORT WND (MPH) NW 13 W 16
VENT RATE (MPH-FT) 72800 88000
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
SUNDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID 50S.
NORTHEAST WINDS AROUND 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ019-182130-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 73 (+2) 77
MIN RH % (24HR TREND) 55 (-17) 48
MIN TEMP (24HR TREND) 54 (-6) 59
MAX RH % (24HR TREND) 94 (-1) 91
20FT WIND AM (MPH) NW 9-12 NW 5-9
20FT WIND PM (MPH) NW 9-12 LGT/VAR W 5-9 LGT/VAR
PEAK WIND GUSTS (MPH) 23 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 4500
MAX MIXING HGT (FT) 5000 5700
TRANSPORT WND (MPH) NW 13 W 17
VENT RATE (MPH-FT) 70000 96900
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 60.
NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SUNDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. 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 AROUND 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ020-182130-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 73 (+4) 77
MIN RH % (24HR TREND) 56 (-26) 51
MIN TEMP (24HR TREND) 54 (-5) 57
MAX RH % (24HR TREND) 98 (-1) 97
20FT WIND AM (MPH) NW 10-15 NW 6-9
20FT WIND PM (MPH) NW 10-15 LGT/VAR W 6-9 LGT/VAR
PEAK WIND GUSTS (MPH) 21 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3800 4700
MAX MIXING HGT (FT) 5200 5800
TRANSPORT WND (MPH) NW 14 W 17
VENT RATE (MPH-FT) 78000 98600
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND 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 MID 50S. NORTHEAST WINDS AROUND 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ021-182130-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 73 (+2) 77
MIN RH % (24HR TREND) 57 (-17) 53
MIN TEMP (24HR TREND) 55 (-6) 59
MAX RH % (24HR TREND) 99 (+3) 95
20FT WIND AM (MPH) NW 10-15 NW 5-8
20FT WIND PM (MPH) W 10-15 LGT/VAR W 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 21 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 4500
MAX MIXING HGT (FT) 4800 5800
TRANSPORT WND (MPH) W 14 W 17
VENT RATE (MPH-FT) 72000 98600
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 60. LIGHT WINDS.
SUNDAY
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS AND 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 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING WEST AROUND 5 MPH
IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ022-182130-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 72 (+3) 76
MIN RH % (24HR TREND) 57 (-19) 52
MIN TEMP (24HR TREND) 54 (-6) 57
MAX RH % (24HR TREND) 98 (0) 99
20FT WIND AM (MPH) NW 10-15 NW 6-9
20FT WIND PM (MPH) W 10-15 LGT/VAR W 6-9 LGT/VAR
PEAK WIND GUSTS (MPH) 21 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3800 4800
MAX MIXING HGT (FT) 5000 5800
TRANSPORT WND (MPH) W 14 W 17
VENT RATE (MPH-FT) 75000 98600
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. NORTHWEST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND 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 MID 50S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ032-182130-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 73 (0) 77
MIN RH % (24HR TREND) 60 (-9) 54
MIN TEMP (24HR TREND) 55 (-6) 58
MAX RH % (24HR TREND) 98 (+1) 95
20FT WIND AM (MPH) NW 10-15 NW 5-8
20FT WIND PM (MPH) NW 10-15 LGT/VAR NW 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 3400 4400
MAX MIXING HGT (FT) 4600 5900
TRANSPORT WND (MPH) NW 14 NW 17
VENT RATE (MPH-FT) 69000 100300
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 60. LIGHT WINDS, BECOMING EAST AROUND
5 MPH AFTER MIDNIGHT.
SUNDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND 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 10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ023-182130-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 72 (+1) 77
MIN RH % (24HR TREND) 59 (-10) 52
MIN TEMP (24HR TREND) 54 (-7) 57
MAX RH % (24HR TREND) 98 (+1) 99
20FT WIND AM (MPH) NW 10-15 NW 5-8
20FT WIND PM (MPH) W 10-15 LGT/VAR W 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 21 15
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3500 4700
MAX MIXING HGT (FT) 4800 5900
TRANSPORT WND (MPH) W 14 NW 18
VENT RATE (MPH-FT) 72000 106200
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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 UPPER 50S. LIGHT WINDS.
SUNDAY
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS AND 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 MID 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS, BECOMING
NORTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING WEST AROUND 5 MPH
IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
ILZ039-182130-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 73 (+1) 77
MIN RH % (24HR TREND) 63 (-4) 53
MIN TEMP (24HR TREND) 55 (-6) 58
MAX RH % (24HR TREND) 96 (-1) 93
20FT WIND AM (MPH) W 10-15 NW 5-8
20FT WIND PM (MPH) NW 10-15 LGT/VAR NW 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 21 14
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05
11 AM MIXING HGT (FT) 3300 4500
MAX MIXING HGT (FT) 4500 5800
TRANSPORT WND (MPH) NW 14 NW 17
VENT RATE (MPH-FT) 67500 98600
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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. WEST WINDS AROUND 5 MPH, BECOMING
EAST AFTER MIDNIGHT.
SUNDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. 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 AROUND 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
SOUTHWEST WINDS AROUND 5 MPH.
ILZ033-182130-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 73 (+1) 77
MIN RH % (24HR TREND) 60 (-9) 50
MIN TEMP (24HR TREND) 55 (-6) 57
MAX RH % (24HR TREND) 94 (-3) 93
20FT WIND AM (MPH) W 10-15 NW 5-7
20FT WIND PM (MPH) NW 10-15 LGT/VAR NW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH) 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3600 4500
MAX MIXING HGT (FT) 4500 5800
TRANSPORT WND (MPH) NW 16 NW 17
VENT RATE (MPH-FT) 72000 98600
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT WINDS.
SUNDAY
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. 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 AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS, BECOMING
NORTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS,
BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ010-182130-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 72 (+2) 76
MIN RH % (24HR TREND) 60 (-4) 51
MIN TEMP (24HR TREND) 55 (-6) 57
MAX RH % (24HR TREND) 94 (-5) 97
20FT WIND AM (MPH) W 10-15 W 5-8
20FT WIND PM (MPH) W 10-15 LGT/VAR W 5-8 LGT/VAR
PEAK WIND GUSTS (MPH) 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 4700
MAX MIXING HGT (FT) 4600 5800
TRANSPORT WND (MPH) NW 16 W 18
VENT RATE (MPH-FT) 73600 104400
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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 UPPER 50S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
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 MID 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS, BECOMING
NORTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. LIGHT WINDS, BECOMING WEST AROUND 5 MPH
IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ011-182130-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
348 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI FRI NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 72 (+3) 76
MIN RH % (24HR TREND) 61 (-3) 51
MIN TEMP (24HR TREND) 55 (-6) 57
MAX RH % (24HR TREND) 96 (-4) 98
20FT WIND AM (MPH) W 10-15 W 6-8
20FT WIND PM (MPH) W 10-15 LGT/VAR W 6-8 LGT/VAR
PEAK WIND GUSTS (MPH) 23 15
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3800 5000
MAX MIXING HGT (FT) 4500 6000
TRANSPORT WND (MPH) W 14 NW 17
VENT RATE (MPH-FT) 67500 102000
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
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 AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT
WINDS.
INZ019-182130-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
448 AM EDT THU JUN 18 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) 72 (+1) 76
MIN RH % (24HR TREND) 63 (+1) 52
MIN TEMP (24HR TREND) 55 (-7) 58
MAX RH % (24HR TREND) 92 (-5) 92
20FT WIND AM (MPH) W 10-15 NW 5-7
20FT WIND PM (MPH) NW 10-15 LGT/VAR NW 5-7 LGT/VAR
PEAK WIND GUSTS (MPH) 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3600 4600
MAX MIXING HGT (FT) 4400 5800
TRANSPORT WND (MPH) NW 16 NW 17
VENT RATE (MPH-FT) 70400 98600
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
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 UPPER 50S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 70S. SOUTHEAST 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 AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS,
BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT
WINDS.
- IZZI
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