199
FNUS53 KLOT 170839
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
339 AM CDT SAT MAY 17 2025
DISCUSSION
WESTERLY WINDS WILL GUST AS HIGH AS 35 MPH THROUGH
EARLY THIS EVENING. DRY WEATHER IS EXPECTED THROUGH SUNDAY NIGHT
AND THEN AN UNSETTLED PATTERN WILL DEVELOP THROUGH THE MIDDLE OF
NEXT WEEK WITH PERIODIC RAIN CHANCES THROUGH THURSDAY. THE BEST
CHANCE FOR RAIN AND A FEW THUNDERSTORMS APPEARS TO BE LATE MONDAY
NIGHT THROUGH TUESDAY NIGHT WHEN LOCALLY HEAVY RAIN WILL BE
POSSIBLE, ESPECIALLY FOR AREAS SOUTH OF INTERSTATE 80.
ILZ014-172115-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 66 (-21) 65
MIN RH % (24HR TREND) 42 (+23) 47
MIN TEMP (24HR TREND) 47 (-6) 43
MAX RH % (24HR TREND) 81 (+16) 84
20FT WIND AM (MPH) W 15-20 NW 6-9
20FT WIND PM (MPH) W 15-20 W 6-10 NE 6-9 NE 9-10
PEAK WIND GUSTS (MPH) 29 20 16 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4400 4000
MAX MIXING HGT (FT) 5500 4500
TRANSPORT WND (MPH) W 27 N 9
VENT RATE (MPH-FT) 154000 40500
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. NORTHEAST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE MID 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
ILZ006-172115-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 65 (-22) 61
MIN RH % (24HR TREND) 45 (+24) 55
MIN TEMP (24HR TREND) 44 (-8) 41
MAX RH % (24HR TREND) 87 (+18) 86
20FT WIND AM (MPH) W 15-20 NW 6-8
20FT WIND PM (MPH) W 15-20 W 6-10 NE 6-8 NE 10
PEAK WIND GUSTS (MPH) 28 19 14 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3900 3700
MAX MIXING HGT (FT) 5200 4100
TRANSPORT WND (MPH) W 27 N 9
VENT RATE (MPH-FT) 145600 36900
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
INZ001-172115-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 67 (-21) 66
MIN RH % (24HR TREND) 43 (+21) 49
MIN TEMP (24HR TREND) 47 (-6) 45
MAX RH % (24HR TREND) 85 (+20) 90
20FT WIND AM (MPH) W 15-20 NW 6-8
20FT WIND PM (MPH) W 15-20 W 5-9 NE 6-8 NE 7-10
PEAK WIND GUSTS (MPH) 29 19 15 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4400 3700
MAX MIXING HGT (FT) 5600 4200
TRANSPORT WND (MPH) W 27 N 10
VENT RATE (MPH-FT) 156800 42000
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. NORTHEAST WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. NORTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
INZ002-172115-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 67 (-20) 63
MIN RH % (24HR TREND) 43 (+21) 52
MIN TEMP (24HR TREND) 48 (-6) 44
MAX RH % (24HR TREND) 85 (+18) 91
20FT WIND AM (MPH) W 15-20 NW 8-9
20FT WIND PM (MPH) W 15-20 W 6-10 N 8-9 N 5-8
PEAK WIND GUSTS (MPH) 29 17 15 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4400 3300
MAX MIXING HGT (FT) 5700 3400
TRANSPORT WND (MPH) W 26 N 12
VENT RATE (MPH-FT) 148200 44200
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
NORTHEAST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
50S. NORTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
ILZ013-172115-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 66 (-21) 69
MIN RH % (24HR TREND) 43 (+23) 42
MIN TEMP (24HR TREND) 46 (-6) 44
MAX RH % (24HR TREND) 83 (+17) 82
20FT WIND AM (MPH) W 15-20 NW 6-8
20FT WIND PM (MPH) W 15-20 W 6-10 NE 6-8 NE 10-11
PEAK WIND GUSTS (MPH) 29 19 16 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4100 3700
MAX MIXING HGT (FT) 5500 4900
TRANSPORT WND (MPH) W 27 NW 8
VENT RATE (MPH-FT) 154000 39200
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. HIGHS AROUND 60. NORTHEAST WINDS AROUND
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. NORTHEAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ012-172115-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 66 (-20) 70
MIN RH % (24HR TREND) 43 (+22) 41
MIN TEMP (24HR TREND) 45 (-6) 41
MAX RH % (24HR TREND) 89 (+19) 85
20FT WIND AM (MPH) W 15-20 NW 6-7
20FT WIND PM (MPH) W 15-20 W 6-10 N 6-7 NE 10-11
PEAK WIND GUSTS (MPH) 30 20 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4100 3500
MAX MIXING HGT (FT) 5300 4800
TRANSPORT WND (MPH) W 27 N 8
VENT RATE (MPH-FT) 148400 38400
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. HIGHS AROUND 60. NORTHEAST WINDS AROUND
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS 15 TO
20 MPH.
TUESDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ005-172115-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%)
MAX TEMP (24HR TREND) 64 (-21) 67
MIN RH % (24HR TREND) 46 (+25) 47
MIN TEMP (24HR TREND) 44 (-7) 40
MAX RH % (24HR TREND) 92 (+20) 87
20FT WIND AM (MPH) W 15-20 NW 7
20FT WIND PM (MPH) W 15-20 W 6-10 NE 7 E 10-11
PEAK WIND GUSTS (MPH) 28 19 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3900 3500
MAX MIXING HGT (FT) 5100 4300
TRANSPORT WND (MPH) W 27 NE 9
VENT RATE (MPH-FT) 142800 38700
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ004-172115-
BOONE-
INCLUDING THE CITY OF BELVIDERE
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 65 (-20) 69
MIN RH % (24HR TREND) 45 (+25) 42
MIN TEMP (24HR TREND) 44 (-7) 40
MAX RH % (24HR TREND) 88 (+15) 83
20FT WIND AM (MPH) W 15-20 NW 6-7
20FT WIND PM (MPH) W 15-20 NW 6-10 N 6-7 E 10-11
PEAK WIND GUSTS (MPH) 29 20 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3700 3400
MAX MIXING HGT (FT) 5100 4500
TRANSPORT WND (MPH) W 27 N 6
VENT RATE (MPH-FT) 142800 31500
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. EAST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
50S. EAST WINDS AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ011-172115-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 67 (-19) 72
MIN RH % (24HR TREND) 42 (+22) 38
MIN TEMP (24HR TREND) 44 (-7) 42
MAX RH % (24HR TREND) 87 (+17) 80
20FT WIND AM (MPH) W 15-20 NW 6-7
20FT WIND PM (MPH) W 15-20 W 6-11 N 6-7 E 11
PEAK WIND GUSTS (MPH) 30 21 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4000 3400
MAX MIXING HGT (FT) 5200 4800
TRANSPORT WND (MPH) W 27 N 6
VENT RATE (MPH-FT) 145600 33600
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. EAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND
20 MPH.
TUESDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ003-172115-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 65 (-20) 70
MIN RH % (24HR TREND) 43 (+23) 39
MIN TEMP (24HR TREND) 43 (-8) 40
MAX RH % (24HR TREND) 89 (+18) 81
20FT WIND AM (MPH) W 15-20 NW 6
20FT WIND PM (MPH) W 15-20 NW 6-9 N 6 E 10
PEAK WIND GUSTS (MPH) 29 20 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3600 3500
MAX MIXING HGT (FT) 5000 4500
TRANSPORT WND (MPH) W 27 N 6
VENT RATE (MPH-FT) 140000 31500
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. HIGHS AROUND 60. NORTHEAST WINDS AROUND
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. EAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS AROUND
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
ILZ008-172115-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 66 (-20) 71
MIN RH % (24HR TREND) 41 (+23) 37
MIN TEMP (24HR TREND) 43 (-8) 42
MAX RH % (24HR TREND) 87 (+17) 78
20FT WIND AM (MPH) W 15-20 NW 5-6
20FT WIND PM (MPH) W 15-20 NW 6-9 N 5-6 NE 9-12
PEAK WIND GUSTS (MPH) 30 21 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3800 3400
MAX MIXING HGT (FT) 5000 4600
TRANSPORT WND (MPH) NW 26 N 5
VENT RATE (MPH-FT) 130000 27600
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE MID 40S. EAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND
20 MPH.
TUESDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
ILZ010-172115-
LEE-
INCLUDING THE CITY OF DIXON
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 68 (-19) 73
MIN RH % (24HR TREND) 40 (+23) 36
MIN TEMP (24HR TREND) 44 (-7) 44
MAX RH % (24HR TREND) 87 (+17) 77
20FT WIND AM (MPH) W 15-20 NW 5-6
20FT WIND PM (MPH) W 15-20 NW 5-9 N 5-6 NE 9-12
PEAK WIND GUSTS (MPH) 29 20 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3900 3300
MAX MIXING HGT (FT) 4800 4600
TRANSPORT WND (MPH) NW 26 N 5
VENT RATE (MPH-FT) 124800 27600
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. EAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 50S. EAST WINDS AROUND 20 MPH.
TUESDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S. NORTHEAST WINDS
AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
ILZ019-172115-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 68 (-21) 74
MIN RH % (24HR TREND) 39 (+20) 33
MIN TEMP (24HR TREND) 46 (-6) 45
MAX RH % (24HR TREND) 83 (+16) 75
20FT WIND AM (MPH) W 15-20 NW 5
20FT WIND PM (MPH) W 15-20 W 5-9 N 5 NE 9-11
PEAK WIND GUSTS (MPH) 30 20 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4000 3400
MAX MIXING HGT (FT) 4900 4800
TRANSPORT WND (MPH) W 27 N 5
VENT RATE (MPH-FT) 137200 28800
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. EAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. WEST WINDS AROUND 5 MPH, BECOMING
SOUTH AFTER MIDNIGHT.
ILZ020-172115-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 67 (-20) 72
MIN RH % (24HR TREND) 42 (+21) 37
MIN TEMP (24HR TREND) 46 (-6) 44
MAX RH % (24HR TREND) 85 (+17) 80
20FT WIND AM (MPH) W 15-20 NW 6
20FT WIND PM (MPH) W 15-20 W 5-9 N 6 NE 9-11
PEAK WIND GUSTS (MPH) 30 19 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4200 3500
MAX MIXING HGT (FT) 5300 4900
TRANSPORT WND (MPH) W 27 N 6
VENT RATE (MPH-FT) 148400 34300
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. EAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
ILZ021-172115-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 69 (-18) 74
MIN RH % (24HR TREND) 40 (+20) 35
MIN TEMP (24HR TREND) 47 (-6) 46
MAX RH % (24HR TREND) 83 (+17) 81
20FT WIND AM (MPH) W 15-20 NW 5
20FT WIND PM (MPH) W 15-20 W 5-9 N 5 NE 10-11
PEAK WIND GUSTS (MPH) 30 19 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 3400
MAX MIXING HGT (FT) 5000 4900
TRANSPORT WND (MPH) W 27 N 5
VENT RATE (MPH-FT) 140000 29400
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. EAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH AFTER MIDNIGHT.
ILZ022-172115-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 67 (-20) 73
MIN RH % (24HR TREND) 41 (+21) 39
MIN TEMP (24HR TREND) 46 (-6) 45
MAX RH % (24HR TREND) 86 (+18) 85
20FT WIND AM (MPH) W 15-20 NW 6-7
20FT WIND PM (MPH) W 15-20 W 6-9 N 6-7 NE 9-11
PEAK WIND GUSTS (MPH) 29 21 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 3500
MAX MIXING HGT (FT) 5300 4800
TRANSPORT WND (MPH) W 27 N 9
VENT RATE (MPH-FT) 148400 43200
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. NORTHEAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ032-172115-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY CLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 69 (-18) 74
MIN RH % (24HR TREND) 40 (+22) 33
MIN TEMP (24HR TREND) 47 (-6) 46
MAX RH % (24HR TREND) 82 (+18) 81
20FT WIND AM (MPH) W 15-20 NW 5
20FT WIND PM (MPH) W 15-20 W 5-9 N 5 NE 8-11
PEAK WIND GUSTS (MPH) 29 20 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.05-0.10
11 AM MIXING HGT (FT) 4100 3200
MAX MIXING HGT (FT) 5000 4700
TRANSPORT WND (MPH) W 27 NW 5
VENT RATE (MPH-FT) 140000 28200
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. EAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND
60. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ023-172115-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 69 (-18) 74
MIN RH % (24HR TREND) 40 (+21) 35
MIN TEMP (24HR TREND) 47 (-6) 45
MAX RH % (24HR TREND) 84 (+18) 87
20FT WIND AM (MPH) W 15-20 NW 5-6
20FT WIND PM (MPH) W 15-20 W 5-9 N 5-6 NE 8-11
PEAK WIND GUSTS (MPH) 29 19 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 3500
MAX MIXING HGT (FT) 5200 4900
TRANSPORT WND (MPH) W 27 N 6
VENT RATE (MPH-FT) 145600 34300
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. NORTHEAST WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S. NORTHEAST WINDS
AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ039-172115-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 69 (-18) 74
MIN RH % (24HR TREND) 41 (+22) 33
MIN TEMP (24HR TREND) 48 (-5) 46
MAX RH % (24HR TREND) 82 (+16) 78
20FT WIND AM (MPH) W 15-20 NW 5
20FT WIND PM (MPH) W 15-20 W 5-9 NW 5 NE 7-10
PEAK WIND GUSTS (MPH) 29 19 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.10-0.25
11 AM MIXING HGT (FT) 4000 3200
MAX MIXING HGT (FT) 5100 4600
TRANSPORT WND (MPH) W 27 NW 5
VENT RATE (MPH-FT) 142800 27600
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS 10 TO 15 MPH.
MONDAY NIGHT
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND
60. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY SUNNY. SHOWERS LIKELY, MAINLY IN THE MORNING.
HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
ILZ033-172115-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 69 (-18) 74
MIN RH % (24HR TREND) 42 (+23) 33
MIN TEMP (24HR TREND) 48 (-6) 46
MAX RH % (24HR TREND) 83 (+16) 81
20FT WIND AM (MPH) W 15-20 NW 5
20FT WIND PM (MPH) W 15-20 W 5-9 N 5 NE 8-9
PEAK WIND GUSTS (MPH) 29 19 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 3500
MAX MIXING HGT (FT) 5300 4900
TRANSPORT WND (MPH) W 27 NW 5
VENT RATE (MPH-FT) 148400 29400
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. EAST WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS AROUND 60.
NORTH WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
INZ010-172115-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 69 (-17) 73
MIN RH % (24HR TREND) 42 (+21) 36
MIN TEMP (24HR TREND) 48 (-6) 45
MAX RH % (24HR TREND) 82 (+16) 87
20FT WIND AM (MPH) W 15-20 NW 5-6
20FT WIND PM (MPH) W 15-20 W 5-9 N 5-6 NE 6-9
PEAK WIND GUSTS (MPH) 28 18 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 3600
MAX MIXING HGT (FT) 5300 5200
TRANSPORT WND (MPH) W 27 NW 6
VENT RATE (MPH-FT) 148400 36400
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. NORTHEAST WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
50S. NORTH WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
INZ011-172115-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
339 AM CDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 69 (-17) 71
MIN RH % (24HR TREND) 42 (+20) 39
MIN TEMP (24HR TREND) 48 (-6) 45
MAX RH % (24HR TREND) 84 (+13) 87
20FT WIND AM (MPH) W 15-20 NW 6
20FT WIND PM (MPH) W 15-20 W 6-9 N 6 NE 6-9
PEAK WIND GUSTS (MPH) 29 18 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 3600
MAX MIXING HGT (FT) 5500 4900
TRANSPORT WND (MPH) W 27 N 8
VENT RATE (MPH-FT) 154000 39200
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. EAST WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. NORTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS AROUND 60.
NORTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
INZ019-172115-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
439 AM EDT SAT MAY 17 2025
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 69 (-17) 74
MIN RH % (24HR TREND) 43 (+18) 36
MIN TEMP (24HR TREND) 48 (-6) 47
MAX RH % (24HR TREND) 85 (+4) 80
20FT WIND AM (MPH) W 15-20 NW 5
20FT WIND PM (MPH) W 15-20 W 5-9 NW 5 NE 7-8
PEAK WIND GUSTS (MPH) 28 18 14
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4200 3500
MAX MIXING HGT (FT) 5300 5000
TRANSPORT WND (MPH) W 27 NW 6
VENT RATE (MPH-FT) 148400 35000
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. EAST WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS AROUND 60. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
40S. EAST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING,
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 60S.
NORTH WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page