947
FNUS53 KLOT 180905
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
405 AM CDT SUN MAY 18 2025
DISCUSSION
A COLD FRONT WILL MOVE SOUTH DOWN LAKE MICHIGAN TODAY
AND ACROSS THE AREA THIS AFTERNOON THROUGH EARLY THIS EVENING,
SHIFTING WINDS TO THE NORTHEAST. SOME GUSTS INTO THE 20 TO 25 MPH
RANGE WILL BE POSSIBLE THIS AFTERNOON INTO EARLY THIS EVENING.
DRY WEATHER IS EXPECTED TODAY AND TONIGHT WITH A LOW CHANCE FOR A
FEW SHOWERS ON MONDAY. PERIODS OF RAIN, POSSIBLY HEAVY AT TIMES,
ALONG WITH A FEW THUNDERSTORMS ARE EXPECTED MONDAY NIGHT AND
TUESDAY. RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE ACROSS THE
ENTIRE AREA. CHANCES FOR SHOWERS WILL CONTINUE TUESDAY NIGHT AND
WEDNESDAY AND THEN MAINLY DRY WEATHER IS EXPECTED FOR THE END OF
THE WEEK.
ILZ014-182130-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 60
MAX TEMP (24HR TREND) 63 (-7) 61
MIN RH % (24HR TREND) 50 (+10) 53
MIN TEMP (24HR TREND) 42 (-9) 46
MAX RH % (24HR TREND) 84 (+9) 74
20FT WIND AM (MPH) N 6-9 NE 10-15
20FT WIND PM (MPH) NE 6-9 NE 10-11 NE 10-15 NE 10-15
PEAK WIND GUSTS (MPH) 17 19 23 29
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 4200 2100
MAX MIXING HGT (FT) 4200 2500
TRANSPORT WND (MPH) N 9 E 16
VENT RATE (MPH-FT) 37800 40000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. 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
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. EAST WINDS
AROUND 5 MPH.
ILZ006-182130-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 50
MAX TEMP (24HR TREND) 60 (-8) 56
MIN RH % (24HR TREND) 55 (+10) 56
MIN TEMP (24HR TREND) 40 (-8) 45
MAX RH % (24HR TREND) 86 (+4) 74
20FT WIND AM (MPH) N 6-8 NE 10-15
20FT WIND PM (MPH) NE 6-8 NE 9-10 NE 10-15 NE 10-15
PEAK WIND GUSTS (MPH) 17 19 23 29
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.10-0.25
11 AM MIXING HGT (FT) 4200 2200
MAX MIXING HGT (FT) 4200 2700
TRANSPORT WND (MPH) N 9 E 18
VENT RATE (MPH-FT) 37800 48600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS AROUND 50. EAST WINDS AROUND 20 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE MID
40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. 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 LOWER 60S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH.
INZ001-182130-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 60
MAX TEMP (24HR TREND) 65 (-4) 66
MIN RH % (24HR TREND) 51 (+9) 50
MIN TEMP (24HR TREND) 45 (-5) 46
MAX RH % (24HR TREND) 88 (+12) 74
20FT WIND AM (MPH) N 6-9 NE 9-10
20FT WIND PM (MPH) NE 6-9 NE 8-9 NE 9-10 E 10-15
PEAK WIND GUSTS (MPH) 17 20 20 25
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 3500 2600
MAX MIXING HGT (FT) 3700 3400
TRANSPORT WND (MPH) N 10 NE 13
VENT RATE (MPH-FT) 37000 47600
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. EAST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
MORNING. HIGHS IN THE MID 50S. NORTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
INZ002-182130-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 50
MAX TEMP (24HR TREND) 64 (-5) 67
MIN RH % (24HR TREND) 51 (+6) 47
MIN TEMP (24HR TREND) 44 (-7) 46
MAX RH % (24HR TREND) 91 (+14) 70
20FT WIND AM (MPH) N 8-10 NE 8-9
20FT WIND PM (MPH) N 8-10 N 6-8 NE 8-9 E 10-15
PEAK WIND GUSTS (MPH) 17 19 18 25
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 3000 2700
MAX MIXING HGT (FT) 3400 3800
TRANSPORT WND (MPH) N 12 E 12
VENT RATE (MPH-FT) 44200 49400
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. EAST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
MORNING. HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
ILZ013-182130-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 70
MAX TEMP (24HR TREND) 66 (-4) 62
MIN RH % (24HR TREND) 46 (+6) 51
MIN TEMP (24HR TREND) 43 (-7) 46
MAX RH % (24HR TREND) 81 (+2) 76
20FT WIND AM (MPH) N 6-8 NE 10-15
20FT WIND PM (MPH) NE 6-8 NE 10-11 NE 10-15 E 10-15
PEAK WIND GUSTS (MPH) 17 17 23 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 4200 2200
MAX MIXING HGT (FT) 4700 2500
TRANSPORT WND (MPH) N 8 E 17
VENT RATE (MPH-FT) 37600 42500
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND
20 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. 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
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH.
ILZ012-182130-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 70
MAX TEMP (24HR TREND) 68 (-2) 62
MIN RH % (24HR TREND) 44 (+3) 50
MIN TEMP (24HR TREND) 41 (-7) 45
MAX RH % (24HR TREND) 83 (+2) 79
20FT WIND AM (MPH) NW 6-7 NE 10-15
20FT WIND PM (MPH) N 6-7 NE 10-11 E 10-15 E 15-20
PEAK WIND GUSTS (MPH) 18 24 29
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 4000 2100
MAX MIXING HGT (FT) 4700 2600
TRANSPORT WND (MPH) N 8 E 19
VENT RATE (MPH-FT) 37600 52000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS AROUND
20 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE MID
40S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY 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
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH.
ILZ005-182130-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 60
MAX TEMP (24HR TREND) 65 (-2) 58
MIN RH % (24HR TREND) 47 (+1) 54
MIN TEMP (24HR TREND) 39 (-8) 43
MAX RH % (24HR TREND) 86 (0) 75
20FT WIND AM (MPH) NW 6-7 NE 10-15
20FT WIND PM (MPH) NE 6-7 NE 9-10 E 10-15 E 15-20
PEAK WIND GUSTS (MPH) 17 24 30
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 4100 2300
MAX MIXING HGT (FT) 4600 2800
TRANSPORT WND (MPH) N 10 E 18
VENT RATE (MPH-FT) 46000 50400
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS AROUND
20 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE MID
40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH 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 MID 40S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH.
ILZ004-182130-
BOONE-
INCLUDING THE CITY OF BELVIDERE
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 70
MAX TEMP (24HR TREND) 68 (+1) 60
MIN RH % (24HR TREND) 44 (+1) 50
MIN TEMP (24HR TREND) 40 (-7) 43
MAX RH % (24HR TREND) 82 (-4) 76
20FT WIND AM (MPH) NW 5-6 E 10-15
20FT WIND PM (MPH) N 5-6 E 9-10 E 10-15 E 15-20
PEAK WIND GUSTS (MPH) 18 25 31
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 4000 2300
MAX MIXING HGT (FT) 4900 2800
TRANSPORT WND (MPH) N 9 E 18
VENT RATE (MPH-FT) 44100 50400
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS AROUND
20 MPH.
TUESDAY NIGHT
CLOUDY. SHOWERS LIKELY, MAINLY IN THE EVENING.
LOWS IN THE MID 40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. NORTH 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 MID 40S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH.
ILZ011-182130-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 20 80
MAX TEMP (24HR TREND) 69 (0) 64
MIN RH % (24HR TREND) 41 (0) 48
MIN TEMP (24HR TREND) 41 (-7) 45
MAX RH % (24HR TREND) 80 (0) 83
20FT WIND AM (MPH) NW 6 E 10-15
20FT WIND PM (MPH) N 6 NE 10 E 10-15 E 15-20
PEAK WIND GUSTS (MPH) 18 25 29
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 3700 2100
MAX MIXING HGT (FT) 5000 2700
TRANSPORT WND (MPH) N 8 E 19
VENT RATE (MPH-FT) 40000 54000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS AROUND
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE MID 40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY 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
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH.
ILZ003-182130-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 70
MAX TEMP (24HR TREND) 69 (0) 61
MIN RH % (24HR TREND) 39 (-2) 48
MIN TEMP (24HR TREND) 41 (-6) 43
MAX RH % (24HR TREND) 78 (-5) 79
20FT WIND AM (MPH) NW 5 E 10-15
20FT WIND PM (MPH) N 5 E 9-10 E 10-15 E 15-20
PEAK WIND GUSTS (MPH) 18 25 31
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 4000 2400
MAX MIXING HGT (FT) 4700 3100
TRANSPORT WND (MPH) N 8 E 20
VENT RATE (MPH-FT) 37600 65100
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS AROUND
20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE MID 40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. 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 MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
ILZ008-182130-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 20 80
MAX TEMP (24HR TREND) 70 (+1) 63
MIN RH % (24HR TREND) 38 (-2) 47
MIN TEMP (24HR TREND) 42 (-4) 45
MAX RH % (24HR TREND) 76 (-7) 86
20FT WIND AM (MPH) N 5 E 10-15
20FT WIND PM (MPH) N 5 E 10-11 E 10-15 E 15-20
PEAK WIND GUSTS (MPH) 19 26 31
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 3700 2100
MAX MIXING HGT (FT) 4800 2800
TRANSPORT WND (MPH) N 6 E 20
VENT RATE (MPH-FT) 33600 58800
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 50S. EAST WINDS AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE MID 40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. 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
MOSTLY CLEAR. 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
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
ILZ010-182130-
LEE-
INCLUDING THE CITY OF DIXON
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 20 80
MAX TEMP (24HR TREND) 71 (+2) 64
MIN RH % (24HR TREND) 36 (-4) 47
MIN TEMP (24HR TREND) 44 (-1) 46
MAX RH % (24HR TREND) 75 (-8) 89
20FT WIND AM (MPH) N 5 E 10-15
20FT WIND PM (MPH) N 5 E 10-12 E 10-15 E 15-20
PEAK WIND GUSTS (MPH) 19 26 30
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.50-0.75
11 AM MIXING HGT (FT) 3500 2100
MAX MIXING HGT (FT) 5000 2800
TRANSPORT WND (MPH) N 4 E 19
VENT RATE (MPH-FT) 25000 56000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 50S. EAST WINDS AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. LOWS IN THE UPPER 40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. 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
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. EAST WINDS AROUND 5 MPH.
ILZ019-182130-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 20 80
MAX TEMP (24HR TREND) 74 (+4) 67
MIN RH % (24HR TREND) 33 (-4) 50
MIN TEMP (24HR TREND) 46 (-1) 47
MAX RH % (24HR TREND) 74 (-3) 83
20FT WIND AM (MPH) NW 5 E 10-15
20FT WIND PM (MPH) N 5 NE 10-11 E 10-15 E 15-20
PEAK WIND GUSTS (MPH) 19 25 30
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.50-0.75
11 AM MIXING HGT (FT) 3600 2200
MAX MIXING HGT (FT) 5200 3000
TRANSPORT WND (MPH) N 5 E 19
VENT RATE (MPH-FT) 31200 60000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 50S. EAST WINDS 15 TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY IN THE EVENING,
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS
IN THE UPPER 40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTH WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. 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 LOWER 40S. NORTHWEST
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 SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. EAST WINDS AROUND 5 MPH.
ILZ020-182130-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 20 80
MAX TEMP (24HR TREND) 70 (-1) 64
MIN RH % (24HR TREND) 40 (+1) 51
MIN TEMP (24HR TREND) 45 (-2) 46
MAX RH % (24HR TREND) 78 (-2) 82
20FT WIND AM (MPH) NW 5-6 E 10-15
20FT WIND PM (MPH) N 5-6 NE 10-11 E 10-15 E 10-15
PEAK WIND GUSTS (MPH) 17 24 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 3900 2100
MAX MIXING HGT (FT) 4900 2800
TRANSPORT WND (MPH) N 8 E 17
VENT RATE (MPH-FT) 39200 47600
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY 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 UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH.
ILZ021-182130-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 20 80
MAX TEMP (24HR TREND) 72 (+2) 66
MIN RH % (24HR TREND) 38 (-1) 51
MIN TEMP (24HR TREND) 46 (-2) 47
MAX RH % (24HR TREND) 77 (-1) 82
20FT WIND AM (MPH) NW 5 E 10-15
20FT WIND PM (MPH) N 5 NE 10 E 10-15 E 10-15
PEAK WIND GUSTS (MPH) 17 24 29
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 3600 2200
MAX MIXING HGT (FT) 5000 3200
TRANSPORT WND (MPH) N 6 E 19
VENT RATE (MPH-FT) 35000 64000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 50. EAST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. 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 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 MID 40S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. EAST WINDS AROUND 5 MPH.
ILZ022-182130-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 70
MAX TEMP (24HR TREND) 70 (0) 65
MIN RH % (24HR TREND) 43 (+3) 52
MIN TEMP (24HR TREND) 44 (-6) 46
MAX RH % (24HR TREND) 84 (+7) 79
20FT WIND AM (MPH) N 5-7 NE 10-15
20FT WIND PM (MPH) NE 5-7 NE 9-11 E 10-15 E 10-15
PEAK WIND GUSTS (MPH) 17 17 23 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 3900 2200
MAX MIXING HGT (FT) 4700 3000
TRANSPORT WND (MPH) N 8 E 16
VENT RATE (MPH-FT) 37600 48000
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. EAST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY 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
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
ILZ032-182130-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 10 20 90
MAX TEMP (24HR TREND) 74 (+4) 70
MIN RH % (24HR TREND) 32 (-5) 50
MIN TEMP (24HR TREND) 47 (-2) 49
MAX RH % (24HR TREND) 78 (+5) 89
20FT WIND AM (MPH) NW 5 E 10-15
20FT WIND PM (MPH) N 5 NE 10-11 E 10-15 E 15-20
PEAK WIND GUSTS (MPH) 18 25 29
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.75-1.00
11 AM MIXING HGT (FT) 3500 2100
MAX MIXING HGT (FT) 5000 3400
TRANSPORT WND (MPH) N 5 E 20
VENT RATE (MPH-FT) 30000 71400
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 60S. EAST WINDS 15 TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 50. EAST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. NORTH WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. 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 LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. EAST
WINDS AROUND 5 MPH.
ILZ023-182130-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 20 70
MAX TEMP (24HR TREND) 72 (+2) 67
MIN RH % (24HR TREND) 40 (+1) 49
MIN TEMP (24HR TREND) 46 (-4) 46
MAX RH % (24HR TREND) 85 (+10) 80
20FT WIND AM (MPH) NW 5-7 NE 10-12
20FT WIND PM (MPH) N 5-7 NE 9-10 E 10-12 E 10-15
PEAK WIND GUSTS (MPH) 17 20 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.50-0.75
11 AM MIXING HGT (FT) 3600 2400
MAX MIXING HGT (FT) 4900 3400
TRANSPORT WND (MPH) N 9 E 14
VENT RATE (MPH-FT) 44100 51000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. EAST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTH WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTH WINDS AROUND
10 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
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
ILZ039-182130-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 10 20 90
MAX TEMP (24HR TREND) 74 (+4) 71
MIN RH % (24HR TREND) 33 (-5) 49
MIN TEMP (24HR TREND) 48 (-1) 49
MAX RH % (24HR TREND) 77 (+4) 87
20FT WIND AM (MPH) NW 5-6 E 10-15
20FT WIND PM (MPH) N 5-6 NE 9-10 E 10-15 E 10-15
PEAK WIND GUSTS (MPH) 17 23 27
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.50-0.75
11 AM MIXING HGT (FT) 3400 2100
MAX MIXING HGT (FT) 5100 3500
TRANSPORT WND (MPH) NW 5 E 19
VENT RATE (MPH-FT) 30600 70000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 60S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. NORTHWEST WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST 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
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. EAST WINDS AROUND 5 MPH.
ILZ033-182130-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 10 20 80
MAX TEMP (24HR TREND) 72 (+2) 70
MIN RH % (24HR TREND) 36 (-3) 47
MIN TEMP (24HR TREND) 47 (-3) 47
MAX RH % (24HR TREND) 80 (+7) 82
20FT WIND AM (MPH) NW 6 E 10-12
20FT WIND PM (MPH) N 6 NE 8-9 E 10-12 E 10-15
PEAK WIND GUSTS (MPH) 17 21 26
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.50-0.75
11 AM MIXING HGT (FT) 3600 2300
MAX MIXING HGT (FT) 5000 3800
TRANSPORT WND (MPH) N 6 E 16
VENT RATE (MPH-FT) 35000 60800
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 50. EAST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTH WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 10 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 MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
INZ010-182130-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 70
MAX TEMP (24HR TREND) 70 (0) 68
MIN RH % (24HR TREND) 43 (+2) 48
MIN TEMP (24HR TREND) 46 (-4) 47
MAX RH % (24HR TREND) 84 (+9) 78
20FT WIND AM (MPH) NW 6-7 NE 9-10
20FT WIND PM (MPH) N 6-7 NE 7-8 E 9-10 E 10-15
PEAK WIND GUSTS (MPH) 15 16 16 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 3600 2500
MAX MIXING HGT (FT) 4700 3800
TRANSPORT WND (MPH) N 9 E 14
VENT RATE (MPH-FT) 42300 57000
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS AROUND 60. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 50. EAST WINDS
AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTH WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. 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 MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
INZ011-182130-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
405 AM CDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 60
MAX TEMP (24HR TREND) 69 (-1) 68
MIN RH % (24HR TREND) 43 (+4) 48
MIN TEMP (24HR TREND) 46 (-5) 47
MAX RH % (24HR TREND) 85 (+13) 74
20FT WIND AM (MPH) NW 7-8 NE 8-9
20FT WIND PM (MPH) N 7-8 NE 6-8 E 8-9 E 10-15
PEAK WIND GUSTS (MPH) 16 16 15 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50
11 AM MIXING HGT (FT) 3700 2600
MAX MIXING HGT (FT) 4500 3800
TRANSPORT WND (MPH) N 11 E 12
VENT RATE (MPH-FT) 54000 49400
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
15 MPH.
TUESDAY NIGHT
SHOWERS, MAINLY IN THE EVENING. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTH WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. 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 MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
INZ019-182130-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
505 AM EDT SUN MAY 18 2025
TODAY TONIGHT MON MON NIGHT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 10 20 70
MAX TEMP (24HR TREND) 72 (+1) 70
MIN RH % (24HR TREND) 39 (0) 48
MIN TEMP (24HR TREND) 48 (-2) 48
MAX RH % (24HR TREND) 79 (+5) 78
20FT WIND AM (MPH) NW 6 E 9-10
20FT WIND PM (MPH) N 6 NE 7 E 9-10 E 10-15
PEAK WIND GUSTS (MPH) 16 26
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.50-0.75
11 AM MIXING HGT (FT) 3600 2300
MAX MIXING HGT (FT) 4800 3700
TRANSPORT WND (MPH) NW 9 E 14
VENT RATE (MPH-FT) 43200 55500
VENT RATE CATEGORY POOR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
TUESDAY
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 60S. EAST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS.
SHOWERS LIKELY, MAINLY IN THE EVENING. LOWS IN THE LOWER 50S.
EAST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTH WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. 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 MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH.
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