083
FNUS53 KLOT 222046
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
346 PM CDT WED APR 22 2026
DISCUSSION
THERE REMAINS A SMALL CHANCE FOR A FEW SHOWERS/STORMS
SOUTH OF I-80 AND EAST OF I-57 INTO EARLY THIS EVENING. BREEZY
AND WARM CONDITIONS ARE IN STORE ON THURSDAY, WITH ANY APPRECIABLE
LINGERING LAKE COOLING (AND ASSOCIATED LOWER MIXING HEIGHTS)
CONFINED TO PRIMARILY NEAR THE LAKE COUNTY IL SHORE. SOUTH-
SOUTHWEST WINDS WILL GUST UP TO 25-35 MPH THURSDAY AFTERNOON.
SHOWERS AND SOME THUNDERSTORMS ARE THEN EXPECTED LATE THURSDAY
NIGHT INTO THE DAY ON FRIDAY AHEAD OF A COLD FRONT. THE COLD
FRONT PASSAGE FRIDAY AFTERNOON AND EVENING WILL BRING A RETURN TO
MORE SEASONABLE CONDITIONS OVER THE WEEKEND, WITH PERSISTENT
ONSHORE FLOW HOLDING TEMPERATURES AND MIXING HEIGHTS LOWER NEAR
THE LAKE. ANOTHER STORM SYSTEM MAY BRING A CHANCE FOR THUNDERSTORMS
TO THE REGION LATE SUNDAY NIGHT INTO MONDAY.
ILZ014-230930-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 50 70
MAX TEMP (24HR TREND) 83 (+15) 74
MIN RH % (24HR TREND) 35 (-27) 53
MIN TEMP (24HR TREND) 51 (-6) 61
MAX RH % (24HR TREND) 91 (+6) 88
20FT WIND AM (MPH) S 10-15 SW 10-11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 12 W 10-11
PEAK WIND GUSTS (MPH) 25 23 19
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.25-0.50
11 AM MIXING HGT (FT) 4200 2500
MAX MIXING HGT (FT) 6400 3000
TRANSPORT WND (MPH) S 21 SW 17
VENT RATE (MPH-FT) 140800 51000
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
IN THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 15 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH.
ILZ006-230930-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 60 70
MAX TEMP (24HR TREND) 81 (+14) 72
MIN RH % (24HR TREND) 39 (-16) 54
MIN TEMP (24HR TREND) 46 (-5) 60
MAX RH % (24HR TREND) 93 (+2) 93
20FT WIND AM (MPH) S 10-15 SW 10
20FT WIND PM (MPH) LGT/VAR S 10-15 S 11 W 10
PEAK WIND GUSTS (MPH) 24 23 18
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.25-0.50
11 AM MIXING HGT (FT) 3700 2300
MAX MIXING HGT (FT) 5900 2500
TRANSPORT WND (MPH) S 21 W 14
VENT RATE (MPH-FT) 129800 37500
VENT RATE CATEGORY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 60. EAST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. SOUTHEAST
WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 15 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
INZ001-230930-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 30 80
MAX TEMP (24HR TREND) 81 (+11) 73
MIN RH % (24HR TREND) 36 (-30) 59
MIN TEMP (24HR TREND) 51 (-1) 61
MAX RH % (24HR TREND) 93 (-7) 85
20FT WIND AM (MPH) S 10-15 S 10-12
20FT WIND PM (MPH) LGT/VAR S 10-15 S 10 W 10-12
PEAK WIND GUSTS (MPH) 23 23 19
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.10-0.25
11 AM MIXING HGT (FT) 4100 2700
MAX MIXING HGT (FT) 6600 3500
TRANSPORT WND (MPH) S 23 W 19
VENT RATE (MPH-FT) 151800 70000
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS AROUND 50. SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
INZ002-230930-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 30 80
MAX TEMP (24HR TREND) 80 (+11) 73
MIN RH % (24HR TREND) 37 (-37) 60
MIN TEMP (24HR TREND) 53 (0) 60
MAX RH % (24HR TREND) 89 (-10) 82
20FT WIND AM (MPH) S 10-15 S 10-11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 9 W 10-11
PEAK WIND GUSTS (MPH) 21 19 19
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.10-0.25
11 AM MIXING HGT (FT) 3900 2600
MAX MIXING HGT (FT) 6400 3300
TRANSPORT WND (MPH) S 21 W 18
VENT RATE (MPH-FT) 140800 59400
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS AROUND 50. SOUTH WINDS AROUND 15 MPH, BECOMING
SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. COOLER. HIGHS IN THE LOWER 60S. WEST
WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
ILZ013-230930-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 50 70
MAX TEMP (24HR TREND) 82 (+7) 74
MIN RH % (24HR TREND) 37 (-17) 53
MIN TEMP (24HR TREND) 55 (-3) 62
MAX RH % (24HR TREND) 92 (+8) 89
20FT WIND AM (MPH) S 10-15 SW 11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 12 W 11
PEAK WIND GUSTS (MPH) 25 23 18
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.25-0.50
11 AM MIXING HGT (FT) 4000 2500
MAX MIXING HGT (FT) 6300 2900
TRANSPORT WND (MPH) S 23 SW 17
VENT RATE (MPH-FT) 144900 49300
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
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. NORTHEAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. SOUTHEAST WINDS
15 TO 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 15 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH.
ILZ012-230930-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 60 70
MAX TEMP (24HR TREND) 81 (+3) 73
MIN RH % (24HR TREND) 39 (-9) 56
MIN TEMP (24HR TREND) 55 (+1) 60
MAX RH % (24HR TREND) 91 (-1) 93
20FT WIND AM (MPH) S 10-15 SW 11-12
20FT WIND PM (MPH) LGT/VAR S 10-15 S 10-15 W 11-12
PEAK WIND GUSTS (MPH) 26 23 19
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.10-0.25
11 AM MIXING HGT (FT) 4100 2200
MAX MIXING HGT (FT) 6000 3000
TRANSPORT WND (MPH) S 24 W 18
VENT RATE (MPH-FT) 144000 54000
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
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. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS
AROUND 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. SOUTHEAST WINDS
AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 20 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS
AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH.
ILZ005-230930-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 60 70
MAX TEMP (24HR TREND) 80 (+7) 72
MIN RH % (24HR TREND) 41 (-8) 56
MIN TEMP (24HR TREND) 52 (0) 60
MAX RH % (24HR TREND) 93 (+2) 96
20FT WIND AM (MPH) S 10-15 SW 10-11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 11-12 W 10-11
PEAK WIND GUSTS (MPH) 26 21 18
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.25-0.50
11 AM MIXING HGT (FT) 3500 2100
MAX MIXING HGT (FT) 5700 2900
TRANSPORT WND (MPH) S 25 W 18
VENT RATE (MPH-FT) 142500 52200
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. SOUTHEAST
WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 15 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS AROUND 60. WEST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
5 TO 10 MPH.
ILZ004-230930-
BOONE-
INCLUDING THE CITY OF BELVIDERE
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 70 70
MAX TEMP (24HR TREND) 80 (+4) 71
MIN RH % (24HR TREND) 38 (-3) 53
MIN TEMP (24HR TREND) 55 (+2) 60
MAX RH % (24HR TREND) 93 (+7) 98
20FT WIND AM (MPH) S 10-15 SW 11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 10-15 W 11
PEAK WIND GUSTS (MPH) 26 23 18
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.25-0.50
11 AM MIXING HGT (FT) 3600 1900
MAX MIXING HGT (FT) 5800 2900
TRANSPORT WND (MPH) S 26 W 18
VENT RATE (MPH-FT) 150800 52200
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
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. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS AROUND 15 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
SOUTHEAST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE MID 40S. SOUTH WINDS AROUND 20 MPH, BECOMING
WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS AROUND 60. WEST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
5 TO 10 MPH.
ILZ011-230930-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 70 70
MAX TEMP (24HR TREND) 80 (+1) 72
MIN RH % (24HR TREND) 40 (-5) 55
MIN TEMP (24HR TREND) 56 (0) 60
MAX RH % (24HR TREND) 91 (+6) 96
20FT WIND AM (MPH) S 10-15 SW 12
20FT WIND PM (MPH) LGT/VAR S 10-15 S 10-15 W 12
PEAK WIND GUSTS (MPH) 27 24 19
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.25-0.50
11 AM MIXING HGT (FT) 4200 2000
MAX MIXING HGT (FT) 5900 3100
TRANSPORT WND (MPH) S 25 W 19
VENT RATE (MPH-FT) 147500 62000
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
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. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS
AROUND 15 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
SOUTHEAST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 20 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS
AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH.
ILZ003-230930-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 70 60
MAX TEMP (24HR TREND) 81 (+3) 71
MIN RH % (24HR TREND) 38 (0) 50
MIN TEMP (24HR TREND) 56 (+2) 60
MAX RH % (24HR TREND) 92 (+7) 100
20FT WIND AM (MPH) S 10-15 SW 10-11
20FT WIND PM (MPH) SE 5-6 S 10-15 S 10-15 W 10-11
PEAK WIND GUSTS (MPH) 27 23 18
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.25-0.50
11 AM MIXING HGT (FT) 4000 2000
MAX MIXING HGT (FT) 5600 2800
TRANSPORT WND (MPH) S 26 W 19
VENT RATE (MPH-FT) 145600 56000
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 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. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS
AROUND 15 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
SOUTHEAST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 20 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS AROUND 60. WEST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
5 TO 10 MPH.
ILZ008-230930-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 70 60
MAX TEMP (24HR TREND) 80 (0) 71
MIN RH % (24HR TREND) 40 (+5) 50
MIN TEMP (24HR TREND) 57 (+3) 59
MAX RH % (24HR TREND) 95 (+6) 100
20FT WIND AM (MPH) S 10-15 SW 10-11
20FT WIND PM (MPH) S 5 S 10-15 S 10-15 W 10-11
PEAK WIND GUSTS (MPH) 27 24 18
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.25-0.50
11 AM MIXING HGT (FT) 4100 2000
MAX MIXING HGT (FT) 5700 3100
TRANSPORT WND (MPH) S 27 W 19
VENT RATE (MPH-FT) 159600 62000
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. EAST
WINDS 15 TO 20 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
SOUTHEAST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 20 MPH, BECOMING WEST AFTER
MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 5 MPH.
ILZ010-230930-
LEE-
INCLUDING THE CITY OF DIXON
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 70 60
MAX TEMP (24HR TREND) 80 (-1) 71
MIN RH % (24HR TREND) 41 (+2) 53
MIN TEMP (24HR TREND) 57 (+1) 60
MAX RH % (24HR TREND) 95 (+8) 98
20FT WIND AM (MPH) S 10-15 SW 11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 10-15 W 11
PEAK WIND GUSTS (MPH) 27 24 19
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.25-0.50
11 AM MIXING HGT (FT) 4200 2100
MAX MIXING HGT (FT) 5800 3700
TRANSPORT WND (MPH) S 27 W 19
VENT RATE (MPH-FT) 162400 74000
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
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. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 70. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
15 TO 20 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
SOUTHEAST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 20 MPH, BECOMING WEST
AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH.
ILZ019-230930-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 60 70
MAX TEMP (24HR TREND) 82 (+1) 73
MIN RH % (24HR TREND) 37 (-6) 52
MIN TEMP (24HR TREND) 58 (-2) 61
MAX RH % (24HR TREND) 90 (+7) 92
20FT WIND AM (MPH) S 10-15 SW 11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 10-15 W 11
PEAK WIND GUSTS (MPH) 28 25 20
PRECIP AMOUNT (IN) 0.00 0.00 0.10-0.25 0.10-0.25
11 AM MIXING HGT (FT) 4600 2400
MAX MIXING HGT (FT) 6200 3600
TRANSPORT WND (MPH) S 25 W 18
VENT RATE (MPH-FT) 155000 64800
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST WINDS AROUND
5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
AROUND 15 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
SOUTHEAST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE UPPER 40S. SOUTHWEST WINDS 15 TO 20 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH.
ILZ020-230930-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 60 70
MAX TEMP (24HR TREND) 82 (-1) 74
MIN RH % (24HR TREND) 36 (-8) 56
MIN TEMP (24HR TREND) 57 (+1) 61
MAX RH % (24HR TREND) 90 (+1) 90
20FT WIND AM (MPH) S 10-15 SW 11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 12 W 11
PEAK WIND GUSTS (MPH) 26 23 19
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.25-0.50
11 AM MIXING HGT (FT) 4300 2200
MAX MIXING HGT (FT) 6300 3300
TRANSPORT WND (MPH) S 23 W 18
VENT RATE (MPH-FT) 144900 59400
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
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. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 70. EAST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
AROUND 15 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
SOUTHEAST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH.
ILZ021-230930-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 60 70
MAX TEMP (24HR TREND) 83 (+2) 75
MIN RH % (24HR TREND) 35 (-9) 55
MIN TEMP (24HR TREND) 58 (-2) 62
MAX RH % (24HR TREND) 90 (+5) 87
20FT WIND AM (MPH) S 10-15 SW 10-11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 12 W 10-11
PEAK WIND GUSTS (MPH) 26 23 19
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.10-0.25
11 AM MIXING HGT (FT) 4500 2400
MAX MIXING HGT (FT) 6400 3400
TRANSPORT WND (MPH) S 23 W 18
VENT RATE (MPH-FT) 147200 61200
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
AROUND 15 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
SOUTHEAST WINDS 15 TO 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
PARTLY SUNNY. COOLER. HIGHS IN THE MID 60S. WEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
ILZ022-230930-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 50 70
MAX TEMP (24HR TREND) 82 (+4) 74
MIN RH % (24HR TREND) 34 (-19) 56
MIN TEMP (24HR TREND) 56 (-2) 61
MAX RH % (24HR TREND) 93 (+3) 89
20FT WIND AM (MPH) S 10-15 SW 11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 11-12 W 11
PEAK WIND GUSTS (MPH) 25 23 19
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.25-0.50
11 AM MIXING HGT (FT) 4200 2500
MAX MIXING HGT (FT) 6300 3400
TRANSPORT WND (MPH) S 21 SW 17
VENT RATE (MPH-FT) 138600 57800
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
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. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 70. EAST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHEAST
WINDS 15 TO 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH.
ILZ032-230930-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 50 70
MAX TEMP (24HR TREND) 83 (+1) 75
MIN RH % (24HR TREND) 35 (-6) 54
MIN TEMP (24HR TREND) 57 (-4) 61
MAX RH % (24HR TREND) 92 (+11) 89
20FT WIND AM (MPH) S 15-20 SW 10-15
20FT WIND PM (MPH) LGT/VAR S 15-20 S 10-15 W 10-15
PEAK WIND GUSTS (MPH) 29 26 23
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.10-0.25
11 AM MIXING HGT (FT) 4400 2500
MAX MIXING HGT (FT) 6300 3700
TRANSPORT WND (MPH) S 25 W 18
VENT RATE (MPH-FT) 157500 66600
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
AROUND 15 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
SOUTHEAST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS AROUND 5 MPH.
ILZ023-230930-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 40 70
MAX TEMP (24HR TREND) 82 (+2) 74
MIN RH % (24HR TREND) 36 (-11) 58
MIN TEMP (24HR TREND) 57 (0) 61
MAX RH % (24HR TREND) 94 (+5) 87
20FT WIND AM (MPH) S 10-15 SW 10-12
20FT WIND PM (MPH) LGT/VAR S 10-15 S 11 W 10-12
PEAK WIND GUSTS (MPH) 25 21 19
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.10-0.25
11 AM MIXING HGT (FT) 4300 2700
MAX MIXING HGT (FT) 6600 3800
TRANSPORT WND (MPH) S 23 SW 18
VENT RATE (MPH-FT) 151800 68400
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH.
SATURDAY
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. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHEAST
WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 15 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
ILZ039-230930-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 40 80
MAX TEMP (24HR TREND) 82 (+1) 75
MIN RH % (24HR TREND) 35 (-8) 56
MIN TEMP (24HR TREND) 57 (-3) 60
MAX RH % (24HR TREND) 92 (+12) 88
20FT WIND AM (MPH) S 15-20 SW 10-15
20FT WIND PM (MPH) LGT/VAR S 15-20 S 10-15 W 10-15
PEAK WIND GUSTS (MPH) 29 25 23
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.25-0.50
11 AM MIXING HGT (FT) 4400 2500
MAX MIXING HGT (FT) 6700 3600
TRANSPORT WND (MPH) S 25 SW 19
VENT RATE (MPH-FT) 167500 72000
VENT RATE CATEGORY VERY GOOD FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS
AROUND 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. EAST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
10 TO 15 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
SOUTHEAST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
ILZ033-230930-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 10 40 80
MAX TEMP (24HR TREND) 82 (+1) 74
MIN RH % (24HR TREND) 35 (-10) 56
MIN TEMP (24HR TREND) 56 (-2) 61
MAX RH % (24HR TREND) 94 (+10) 86
20FT WIND AM (MPH) S 10-15 S 11-12
20FT WIND PM (MPH) LGT/VAR S 10-15 S 10 W 11-12
PEAK WIND GUSTS (MPH) 26 23 21
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.10-0.25
11 AM MIXING HGT (FT) 4300 2900
MAX MIXING HGT (FT) 6600 3900
TRANSPORT WND (MPH) S 24 SW 20
VENT RATE (MPH-FT) 158400 81900
VENT RATE CATEGORY VERY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS
10 TO 15 MPH.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
SOUTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING.
LOWS AROUND 50. SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
INZ010-230930-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 30 80
MAX TEMP (24HR TREND) 80 (+3) 73
MIN RH % (24HR TREND) 35 (-18) 61
MIN TEMP (24HR TREND) 57 (+3) 61
MAX RH % (24HR TREND) 94 (-2) 84
20FT WIND AM (MPH) S 10-15 S 10-12
20FT WIND PM (MPH) LGT/VAR S 10-15 S 9 SW 10-12
PEAK WIND GUSTS (MPH) 24 19 20
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.10-0.25
11 AM MIXING HGT (FT) 4200 2800
MAX MIXING HGT (FT) 6600 3900
TRANSPORT WND (MPH) S 23 SW 23
VENT RATE (MPH-FT) 151800 89700
VENT RATE CATEGORY VERY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 50.
NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS AROUND 50. SOUTH WINDS AROUND 15 MPH, BECOMING
SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH.
INZ011-230930-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
346 PM CDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 20 80
MAX TEMP (24HR TREND) 80 (+4) 74
MIN RH % (24HR TREND) 35 (-22) 62
MIN TEMP (24HR TREND) 57 (+4) 61
MAX RH % (24HR TREND) 93 (-6) 83
20FT WIND AM (MPH) S 10-15 S 10-11
20FT WIND PM (MPH) LGT/VAR S 10-15 S 9 SW 10-11
PEAK WIND GUSTS (MPH) 24 19 21
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.10-0.25
11 AM MIXING HGT (FT) 4100 2800
MAX MIXING HGT (FT) 6600 3400
TRANSPORT WND (MPH) S 23 SW 24
VENT RATE (MPH-FT) 151800 81600
VENT RATE CATEGORY VERY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 50.
NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. EAST WINDS
10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE LOWER 50S. SOUTH WINDS AROUND 15 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
INZ019-230930-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
446 PM EDT WED APR 22 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 20 80
MAX TEMP (24HR TREND) 81 (+3) 73
MIN RH % (24HR TREND) 35 (-13) 62
MIN TEMP (24HR TREND) 56 (0) 61
MAX RH % (24HR TREND) 92 (+4) 81
20FT WIND AM (MPH) S 10-15 S 10-12
20FT WIND PM (MPH) LGT/VAR S 10-15 S 9-10 SW 10-12
PEAK WIND GUSTS (MPH) 24 19 23
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.01-0.05 0.10-0.25
11 AM MIXING HGT (FT) 3900 2600
MAX MIXING HGT (FT) 6600 3400
TRANSPORT WND (MPH) S 23 SW 24
VENT RATE (MPH-FT) 151800 81600
VENT RATE CATEGORY VERY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER
50S. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 50S. EAST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE LOWER 50S. SOUTH WINDS AROUND 15 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH.
RC
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page