146
FNUS53 KLOT 191531
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1031 AM CDT SUN APR 19 2026
DISCUSSION
A COLD FRONT MOVING ACROSS THE AREA LATE THIS MORNING WILL BRING
ISOLATED TO WIDELY SCATTERED RAIN SHOWERS THROUGH THIS AFTERNOON.
NORTHWEST WINDS WILL GUST REGULARLY BETWEEN 25 AND 35 MPH,
OCCASIONALLY OVER 40 MPH, THIS AFTERNOON. THE STRONGEST WINDS ARE
GENERALLY EXPECTED SOUTH OF I-80. AFTERNOON TEMPERATURES AROUND
THE AREA WILL RANGE FROM THE MIDDLE 40S NEAR THE WISCONSIN STATE
LINE TO THE MIDDLE 50S TOWARD CENTRAL ILLINOIS, WITH MINIMUM RH
VALUES AS LOW AS 35 TO 40%.
LOWER TO MIDDLE 50S ARE FORECAST MONDAY AFTERNOON WITH
TEMPERATURES WARMING BACK INTO THE 70S ON TUESDAY AND AGAIN AWAY
FROM THE LAKE ON WEDNESDAY. A SLIGHT CHANCE FOR A FEW SHOWERS
EXISTS TUESDAY EVENING AND NIGHT, OTHERWISE OUR NEXT CHANCES FOR
PRECIP BEYOND TODAY ARE SLATED FOR THURSDAY NIGHT AND FRIDAY.
ILZ014-200930-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 51 (0) 53
MIN RH % (24HR TREND) 32 (-10) 34
MIN TEMP (24HR TREND) 32 (-6) 43
MAX RH % (24HR TREND) 80 (+7) 70
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 3-6 S 8-10
PEAK WIND GUSTS (MPH) 26 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 7100 5100
MAX MIXING HGT (FT) 7100 5500
TRANSPORT WND (MPH) W 25 S 6
VENT RATE (MPH-FT) 177500 38500
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER
60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. COOLER. LOWS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH,
BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
ILZ006-200930-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 49 (0) 52
MIN RH % (24HR TREND) 40 (-3) 38
MIN TEMP (24HR TREND) 28 (-8) 41
MAX RH % (24HR TREND) 87 (+10) 73
20FT WIND AM (MPH) NW 12 LGT/VAR
20FT WIND PM (MPH) NW 12 LGT/VAR S 3-7 S 8-10
PEAK WIND GUSTS (MPH) 26 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6100 4900
MAX MIXING HGT (FT) 6500 5300
TRANSPORT WND (MPH) NW 24 S 6
VENT RATE (MPH-FT) 156000 37100
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. EAST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
50S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 70.
SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. COOLER. LOWS IN THE MID 40S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
INZ001-200930-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY MCLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 52 (+1) 53
MIN RH % (24HR TREND) 32 (-14) 36
MIN TEMP (24HR TREND) 30 (-8) 42
MAX RH % (24HR TREND) 88 (+9) 70
20FT WIND AM (MPH) W 12 LGT/VAR
20FT WIND PM (MPH) NW 12 LGT/VAR LGT/VAR S 6-10
PEAK WIND GUSTS (MPH) 25 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 7300 5000
MAX MIXING HGT (FT) 7800 5400
TRANSPORT WND (MPH) W 29 S 4
VENT RATE (MPH-FT) 234000 27000
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH, BECOMING NORTH
AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
INZ002-200930-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY MCLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 40
MAX TEMP (24HR TREND) 51 (-1) 52
MIN RH % (24HR TREND) 33 (-12) 37
MIN TEMP (24HR TREND) 30 (-8) 41
MAX RH % (24HR TREND) 86 (+7) 67
20FT WIND AM (MPH) W 10-11 LGT/VAR
20FT WIND PM (MPH) NW 10-11 LGT/VAR LGT/VAR S 6-10
PEAK WIND GUSTS (MPH) 25 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 7900 5000
MAX MIXING HGT (FT) 8100 5400
TRANSPORT WND (MPH) W 27 SW 5
VENT RATE (MPH-FT) 226800 32400
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
ILZ013-200930-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 50 (0) 54
MIN RH % (24HR TREND) 34 (-11) 33
MIN TEMP (24HR TREND) 30 (-7) 43
MAX RH % (24HR TREND) 82 (+5) 74
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR SW 3-6 S 8-10
PEAK WIND GUSTS (MPH) 27 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6700 5000
MAX MIXING HGT (FT) 6700 5400
TRANSPORT WND (MPH) W 26 S 4
VENT RATE (MPH-FT) 174200 27000
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. COOLER. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
5 TO 10 MPH.
ILZ012-200930-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 49 (+1) 53
MIN RH % (24HR TREND) 43 (-8) 36
MIN TEMP (24HR TREND) 28 (-7) 42
MAX RH % (24HR TREND) 86 (+5) 79
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 3-7 S 9-11
PEAK WIND GUSTS (MPH) 28 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5900 4600
MAX MIXING HGT (FT) 6100 4900
TRANSPORT WND (MPH) NW 24 S 6
VENT RATE (MPH-FT) 146400 34300
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 15 TO
20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS AROUND 60. SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. SOUTH WINDS AROUND 15 MPH, BECOMING WEST IN THE
AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. COOLER. LOWS IN THE MID 40S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
5 TO 10 MPH.
ILZ005-200930-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 48 (+1) 52
MIN RH % (24HR TREND) 43 (-3) 39
MIN TEMP (24HR TREND) 27 (-7) 41
MAX RH % (24HR TREND) 89 (+9) 78
20FT WIND AM (MPH) NW 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR SW 3-7 S 8-11
PEAK WIND GUSTS (MPH) 26 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5300 4700
MAX MIXING HGT (FT) 6400 5100
TRANSPORT WND (MPH) NW 24 S 6
VENT RATE (MPH-FT) 153600 35700
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE UPPER 50S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 70.
SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. COOLER. LOWS IN THE MID 40S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
ILZ004-200930-
BOONE-
INCLUDING THE CITY OF BELVIDERE
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 48 (+2) 53
MIN RH % (24HR TREND) 41 (-8) 37
MIN TEMP (24HR TREND) 27 (-7) 41
MAX RH % (24HR TREND) 85 (+4) 79
20FT WIND AM (MPH) NW 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 4-7 S 9-11
PEAK WIND GUSTS (MPH) 26 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4400 4600
MAX MIXING HGT (FT) 6300 4800
TRANSPORT WND (MPH) NW 23 S 6
VENT RATE (MPH-FT) 144900 33600
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
15 TO 20 MPH.
THURSDAY NIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 50S.
SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. COOLER. HIGHS IN
THE UPPER 60S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. COLDER. LOWS IN THE MID 40S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
ILZ011-200930-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 49 (+2) 54
MIN RH % (24HR TREND) 43 (-10) 35
MIN TEMP (24HR TREND) 27 (-7) 42
MAX RH % (24HR TREND) 84 (+4) 79
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 3-7 S 9-12
PEAK WIND GUSTS (MPH) 28 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5200 4500
MAX MIXING HGT (FT) 6300 4800
TRANSPORT WND (MPH) NW 24 S 6
VENT RATE (MPH-FT) 151200 33600
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. WEST WINDS AROUND
5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 15 TO
20 MPH.
THURSDAY NIGHT
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 50S.
SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
AROUND 70. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. COOLER. LOWS IN THE MID 40S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
ILZ003-200930-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 49 (+2) 54
MIN RH % (24HR TREND) 39 (-8) 33
MIN TEMP (24HR TREND) 27 (-7) 42
MAX RH % (24HR TREND) 81 (+3) 79
20FT WIND AM (MPH) NW 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 4-8 S 9-11
PEAK WIND GUSTS (MPH) 25 14 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3600 4500
MAX MIXING HGT (FT) 6500 4800
TRANSPORT WND (MPH) NW 23 S 8
VENT RATE (MPH-FT) 149500 38400
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
15 TO 20 MPH.
THURSDAY NIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 50S.
SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. COOLER. HIGHS IN
THE UPPER 60S. WEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS IN THE MID 40S. NORTHWEST WINDS
AROUND 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS 5 TO 10 MPH.
ILZ008-200930-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 50 (+2) 55
MIN RH % (24HR TREND) 39 (-7) 33
MIN TEMP (24HR TREND) 27 (-7) 43
MAX RH % (24HR TREND) 80 (+1) 80
20FT WIND AM (MPH) NW 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 4-7 S 9-11
PEAK WIND GUSTS (MPH) 26 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 4600
MAX MIXING HGT (FT) 6500 4700
TRANSPORT WND (MPH) NW 23 S 8
VENT RATE (MPH-FT) 149500 37600
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
15 TO 20 MPH.
THURSDAY NIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 50S.
SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. COOLER. HIGHS IN
THE UPPER 60S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS IN THE MID 40S. NORTHWEST WINDS
AROUND 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS 5 TO 10 MPH.
ILZ010-200930-
LEE-
INCLUDING THE CITY OF DIXON
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 50 (+2) 55
MIN RH % (24HR TREND) 41 (-7) 34
MIN TEMP (24HR TREND) 28 (-7) 43
MAX RH % (24HR TREND) 79 (-2) 80
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 4-7 S 9-11
PEAK WIND GUSTS (MPH) 27 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4500 4500
MAX MIXING HGT (FT) 6700 4700
TRANSPORT WND (MPH) NW 24 S 8
VENT RATE (MPH-FT) 160800 37600
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
15 TO 20 MPH.
THURSDAY NIGHT
A CHANCE OF THUNDERSTORMS. SHOWERS. LOWS IN THE
UPPER 50S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. COOLER. HIGHS IN
THE UPPER 60S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. COOLER. LOWS IN THE MID 40S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 10 MPH.
ILZ019-200930-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 53 (+3) 58
MIN RH % (24HR TREND) 36 (-14) 30
MIN TEMP (24HR TREND) 29 (-7) 44
MAX RH % (24HR TREND) 80 (+5) 76
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 3-5 S 8-11
PEAK WIND GUSTS (MPH) 29 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5900 4300
MAX MIXING HGT (FT) 7100 4800
TRANSPORT WND (MPH) W 28 S 6
VENT RATE (MPH-FT) 205900 33600
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
15 TO 20 MPH.
THURSDAY NIGHT
A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT. LOWS AROUND 60.
SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COOLER. LOWS IN THE
UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS 5 TO 10 MPH.
ILZ020-200930-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 51 (+1) 55
MIN RH % (24HR TREND) 39 (-12) 35
MIN TEMP (24HR TREND) 29 (-7) 43
MAX RH % (24HR TREND) 86 (+5) 79
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 3-5 S 7-10
PEAK WIND GUSTS (MPH) 27 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5900 4500
MAX MIXING HGT (FT) 6000 4900
TRANSPORT WND (MPH) NW 26 S 4
VENT RATE (MPH-FT) 156000 24500
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
15 TO 20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. COOLER. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
5 TO 10 MPH.
ILZ021-200930-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 53 (+1) 57
MIN RH % (24HR TREND) 34 (-13) 31
MIN TEMP (24HR TREND) 30 (-7) 44
MAX RH % (24HR TREND) 87 (+9) 76
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 2-5 S 7-10
PEAK WIND GUSTS (MPH) 28 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6200 4500
MAX MIXING HGT (FT) 6900 4900
TRANSPORT WND (MPH) W 29 S 4
VENT RATE (MPH-FT) 207000 24500
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
15 TO 20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
ILZ022-200930-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 52 (+2) 55
MIN RH % (24HR TREND) 35 (-12) 35
MIN TEMP (24HR TREND) 30 (-7) 42
MAX RH % (24HR TREND) 88 (+8) 76
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR SW 3-5 S 7-10
PEAK WIND GUSTS (MPH) 26 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6700 4900
MAX MIXING HGT (FT) 7000 5100
TRANSPORT WND (MPH) W 28 S 4
VENT RATE (MPH-FT) 203000 25500
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. COOLER. LOWS IN THE UPPER
40S. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
ILZ032-200930-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 55 (+3) 58
MIN RH % (24HR TREND) 31 (-12) 30
MIN TEMP (24HR TREND) 29 (-8) 44
MAX RH % (24HR TREND) 84 (+8) 75
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 2-5 S 8-12
PEAK WIND GUSTS (MPH) 29 21
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6500 4200
MAX MIXING HGT (FT) 8500 4800
TRANSPORT WND (MPH) NW 33 S 4
VENT RATE (MPH-FT) 280500 24000
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
15 TO 20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS AROUND 60. SOUTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH, BECOMING
NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
5 TO 10 MPH.
ILZ023-200930-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 53 (+3) 55
MIN RH % (24HR TREND) 34 (-15) 33
MIN TEMP (24HR TREND) 30 (-7) 42
MAX RH % (24HR TREND) 89 (+8) 75
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR LGT/VAR S 6-10
PEAK WIND GUSTS (MPH) 27 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6400 4800
MAX MIXING HGT (FT) 7400 5000
TRANSPORT WND (MPH) W 29 S 3
VENT RATE (MPH-FT) 222000 15000
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. COOLER. LOWS IN THE UPPER
40S. WEST WINDS AROUND 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
ILZ039-200930-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 56 (+4) 58
MIN RH % (24HR TREND) 31 (-12) 29
MIN TEMP (24HR TREND) 29 (-9) 43
MAX RH % (24HR TREND) 83 (+7) 75
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR S 3-5 S 7-12
PEAK WIND GUSTS (MPH) 30 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6600 4200
MAX MIXING HGT (FT) 9200 4900
TRANSPORT WND (MPH) W 33 S 3
VENT RATE (MPH-FT) 303600 14700
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
15 TO 20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH, BECOMING NORTH
AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
5 TO 10 MPH.
ILZ033-200930-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 55 (+3) 57
MIN RH % (24HR TREND) 30 (-16) 29
MIN TEMP (24HR TREND) 29 (-9) 42
MAX RH % (24HR TREND) 86 (+8) 71
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR LGT/VAR S 6-9
PEAK WIND GUSTS (MPH) 29 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6700 4600
MAX MIXING HGT (FT) 8800 5000
TRANSPORT WND (MPH) W 33 S 3
VENT RATE (MPH-FT) 290400 15000
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH, BECOMING NORTH
AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS AROUND 5 MPH.
INZ010-200930-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 53 (+2) 55
MIN RH % (24HR TREND) 32 (-18) 33
MIN TEMP (24HR TREND) 30 (-8) 42
MAX RH % (24HR TREND) 87 (+1) 69
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR LGT/VAR S 5-9
PEAK WIND GUSTS (MPH) 26 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6800 4900
MAX MIXING HGT (FT) 7900 5300
TRANSPORT WND (MPH) W 32 SW 5
VENT RATE (MPH-FT) 252800 31800
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. WEST WINDS AROUND 5 MPH, BECOMING NORTH
AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
INZ011-200930-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
1031 AM CDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 53 (+2) 54
MIN RH % (24HR TREND) 32 (-18) 34
MIN TEMP (24HR TREND) 30 (-9) 42
MAX RH % (24HR TREND) 87 (-2) 68
20FT WIND AM (MPH) W 12 LGT/VAR
20FT WIND PM (MPH) NW 12 LGT/VAR LGT/VAR S 5-9
PEAK WIND GUSTS (MPH) 26 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 7200 4900
MAX MIXING HGT (FT) 8100 5400
TRANSPORT WND (MPH) W 32 SW 5
VENT RATE (MPH-FT) 259200 32400
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. WEST WINDS AROUND 5 MPH, BECOMING NORTH
AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
INZ019-200930-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
1131 AM EDT SUN APR 19 2026
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY CLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 55 (+3) 55
MIN RH % (24HR TREND) 31 (-19) 32
MIN TEMP (24HR TREND) 30 (-9) 42
MAX RH % (24HR TREND) 85 (-3) 69
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) NW 10-15 LGT/VAR LGT/VAR S 5-9
PEAK WIND GUSTS (MPH) 28 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6700 4700
MAX MIXING HGT (FT) 8600 5200
TRANSPORT WND (MPH) W 32 SW 5
VENT RATE (MPH-FT) 275200 31200
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS AROUND 5 MPH.
KLUBER
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