438
FNUS53 KLOT 182106
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
406 PM CDT SAT APR 18 2026
DISCUSSION
WESTERLY WINDS WILL GUST AS HIGH AS 40 MPH THROUGH
SUNSET AND THEN DIMINISH UNDER 10 MPH. AREAS OF FROST WILL BE
POSSIBLE OUTSIDE OF CHICAGO AS TEMPERATURES DROP INTO THE LOWER TO
MID 30S TONIGHT. THERE IS A SMALL CHANCE FOR SHOWERS ON SUNDAY AS
A WEAK SYSTEM QUICKLY MOVES ACROSS THE AREA. AREAS OF FROST AND
POSSIBLY A FREEZE WILL BE POSSIBLE SUNDAY NIGHT INTO MONDAY
MORNING AS LOW TEMPS DROP INTO THE UPPER 20S TO LOWER 30S. A LAKE
BREEZE WILL BE POSSIBLE MONDAY AFTERNOON THEN SOUTHWESTERLY WINDS
WILL STEADILY INCREASE MONDAY NIGHT INTO TUESDAY. THERE IS A SMALL
CHANCE FOR SHOWERS TUESDAY AFTERNOON INTO TUESDAY EVENING.
ADDITIONAL RAIN CHANCES WILL RETURN LATE NEXT WEEK.
ILZ014-190930-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 40
MAX TEMP (24HR TREND) 51 (0) 53
MIN RH % (24HR TREND) 43 (-5) 33
MIN TEMP (24HR TREND) 34 (-10) 31
MAX RH % (24HR TREND) 76 (-20) 80
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-10 NW 10-15 LGT/VAR SE 3-6
PEAK WIND GUSTS (MPH) 24 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5700 4800
MAX MIXING HGT (FT) 6100 5400
TRANSPORT WND (MPH) NW 21 SW 5
VENT RATE (MPH-FT) 134200 32400
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST
WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. WEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 60.
SOUTH WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTH
WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
ILZ006-190930-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 49 (0) 51
MIN RH % (24HR TREND) 41 (-9) 36
MIN TEMP (24HR TREND) 32 (-9) 28
MAX RH % (24HR TREND) 76 (-24) 83
20FT WIND AM (MPH) W 9-12 LGT/VAR
20FT WIND PM (MPH) W 6-10 NW 9-12 LGT/VAR S 3-7
PEAK WIND GUSTS (MPH) 24 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5300 5000
MAX MIXING HGT (FT) 6800 5400
TRANSPORT WND (MPH) NW 23 SW 9
VENT RATE (MPH-FT) 156400 48600
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND
5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE UPPER 70S. SOUTH
WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
70. SOUTH WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. WEST WINDS AROUND 10 MPH.
INZ001-190930-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY MCLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 51 (-1) 53
MIN RH % (24HR TREND) 44 (-7) 36
MIN TEMP (24HR TREND) 33 (-13) 30
MAX RH % (24HR TREND) 82 (-17) 86
20FT WIND AM (MPH) W 9-12 LGT/VAR
20FT WIND PM (MPH) W 5-10 NW 9-12 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 24 25
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 6300 5000
MAX MIXING HGT (FT) 7000 5600
TRANSPORT WND (MPH) W 26 SW 6
VENT RATE (MPH-FT) 182000 39200
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 60.
SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
INZ002-190930-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY MCLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 50 (-2) 52
MIN RH % (24HR TREND) 44 (-8) 36
MIN TEMP (24HR TREND) 34 (-12) 30
MAX RH % (24HR TREND) 80 (-19) 87
20FT WIND AM (MPH) W 9-11 LGT/VAR
20FT WIND PM (MPH) W 5-10 NW 9-11 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 23 25
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 6600 5000
MAX MIXING HGT (FT) 7100 5600
TRANSPORT WND (MPH) W 25 SW 6
VENT RATE (MPH-FT) 177500 39200
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 60.
SOUTH WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE
EVENING. COOLER. LOWS IN THE MID 40S. SOUTHWEST WINDS AROUND
10 MPH, BECOMING WEST AFTER MIDNIGHT.
ILZ013-190930-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 50 (0) 54
MIN RH % (24HR TREND) 44 (-5) 34
MIN TEMP (24HR TREND) 34 (-9) 29
MAX RH % (24HR TREND) 79 (-16) 81
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-10 NW 10-15 LGT/VAR S 3-6
PEAK WIND GUSTS (MPH) 24 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5300 4500
MAX MIXING HGT (FT) 6300 5300
TRANSPORT WND (MPH) NW 23 SW 6
VENT RATE (MPH-FT) 144900 37100
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTH
WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
ILZ012-190930-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 50 (+1) 53
MIN RH % (24HR TREND) 45 (-5) 36
MIN TEMP (24HR TREND) 32 (-9) 28
MAX RH % (24HR TREND) 81 (-17) 84
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-9 NW 10-15 LGT/VAR S 3-6
PEAK WIND GUSTS (MPH) 24 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4700 4600
MAX MIXING HGT (FT) 6600 5000
TRANSPORT WND (MPH) NW 23 SW 8
VENT RATE (MPH-FT) 151800 40000
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT. LOWS AROUND 60. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. WEST WINDS AROUND 10 MPH.
ILZ005-190930-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 48 (0) 52
MIN RH % (24HR TREND) 43 (-7) 37
MIN TEMP (24HR TREND) 31 (-9) 27
MAX RH % (24HR TREND) 79 (-20) 83
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-10 NW 10-15 LGT/VAR S 3-7
PEAK WIND GUSTS (MPH) 24 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4700 4900
MAX MIXING HGT (FT) 6500 5300
TRANSPORT WND (MPH) NW 23 SW 9
VENT RATE (MPH-FT) 149500 47700
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. EAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE UPPER 50S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
70. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. WEST WINDS AROUND 10 MPH.
ILZ004-190930-
BOONE-
INCLUDING THE CITY OF BELVIDERE
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 48 (0) 53
MIN RH % (24HR TREND) 39 (-9) 35
MIN TEMP (24HR TREND) 31 (-7) 26
MAX RH % (24HR TREND) 78 (-18) 82
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-9 NW 10-15 LGT/VAR S 3-7
PEAK WIND GUSTS (MPH) 24 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 4700
MAX MIXING HGT (FT) 6100 5000
TRANSPORT WND (MPH) NW 23 SW 9
VENT RATE (MPH-FT) 140300 45000
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
IN THE MID 40S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
50S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. WEST WINDS AROUND 10 MPH.
ILZ011-190930-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 50 (+1) 54
MIN RH % (24HR TREND) 43 (-6) 35
MIN TEMP (24HR TREND) 32 (-7) 27
MAX RH % (24HR TREND) 80 (-19) 81
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-9 NW 10-15 LGT/VAR S 3-6
PEAK WIND GUSTS (MPH) 24 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4400 4700
MAX MIXING HGT (FT) 6600 4900
TRANSPORT WND (MPH) NW 23 SW 8
VENT RATE (MPH-FT) 151800 39200
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 15 TO
20 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
50S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
AROUND 70. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. WEST WINDS 10 TO 15 MPH.
ILZ003-190930-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 49 (+1) 54
MIN RH % (24HR TREND) 38 (-7) 33
MIN TEMP (24HR TREND) 31 (-7) 26
MAX RH % (24HR TREND) 76 (-21) 80
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-9 NW 10-15 LGT/VAR S 3-7
PEAK WIND GUSTS (MPH) 23 25
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4300 4500
MAX MIXING HGT (FT) 6300 4900
TRANSPORT WND (MPH) NW 23 SW 9
VENT RATE (MPH-FT) 144900 44100
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
IN THE MID 40S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
50S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. WEST WINDS AROUND 10 MPH.
ILZ008-190930-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 50 (+1) 55
MIN RH % (24HR TREND) 38 (-8) 33
MIN TEMP (24HR TREND) 32 (-6) 26
MAX RH % (24HR TREND) 78 (-17) 77
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-8 NW 10-15 LGT/VAR S 4-7
PEAK WIND GUSTS (MPH) 24 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4200 4600
MAX MIXING HGT (FT) 6500 4900
TRANSPORT WND (MPH) NW 23 SW 9
VENT RATE (MPH-FT) 149500 44100
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
IN THE UPPER 40S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
50S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. HIGHS
IN THE UPPER 60S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. WEST WINDS AROUND 10 MPH.
ILZ010-190930-
LEE-
INCLUDING THE CITY OF DIXON
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 50 (+1) 55
MIN RH % (24HR TREND) 41 (-7) 34
MIN TEMP (24HR TREND) 32 (-7) 28
MAX RH % (24HR TREND) 79 (-19) 78
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-8 NW 10-15 LGT/VAR S 4-7
PEAK WIND GUSTS (MPH) 24 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4100 4500
MAX MIXING HGT (FT) 6600 4800
TRANSPORT WND (MPH) NW 24 SW 9
VENT RATE (MPH-FT) 158400 43200
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER
50S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. COOLER. HIGHS IN THE UPPER 60S.
SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE LOWER 40S. WEST WINDS 10 TO 15 MPH.
ILZ019-190930-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 52 (+2) 56
MIN RH % (24HR TREND) 41 (-6) 32
MIN TEMP (24HR TREND) 33 (-8) 28
MAX RH % (24HR TREND) 77 (-22) 80
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-9 NW 10-15 LGT/VAR S 3-5
PEAK WIND GUSTS (MPH) 24 29
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4900 4400
MAX MIXING HGT (FT) 6300 4900
TRANSPORT WND (MPH) NW 25 SW 6
VENT RATE (MPH-FT) 157500 34300
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER
60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. COOLER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COLDER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
ILZ020-190930-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 51 (+1) 55
MIN RH % (24HR TREND) 44 (-7) 35
MIN TEMP (24HR TREND) 33 (-9) 28
MAX RH % (24HR TREND) 82 (-17) 84
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-9 NW 10-15 LGT/VAR S 3-5
PEAK WIND GUSTS (MPH) 24 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 4500 4700
MAX MIXING HGT (FT) 5900 5100
TRANSPORT WND (MPH) NW 23 SW 6
VENT RATE (MPH-FT) 135700 35700
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER. HIGHS IN THE
LOWER 70S. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
ILZ021-190930-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 53 (+1) 56
MIN RH % (24HR TREND) 45 (-6) 33
MIN TEMP (24HR TREND) 34 (-9) 29
MAX RH % (24HR TREND) 81 (-19) 85
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 6-9 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 24 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5400 4600
MAX MIXING HGT (FT) 6700 5100
TRANSPORT WND (MPH) W 29 SW 4
VENT RATE (MPH-FT) 201000 25500
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. COOLER. HIGHS IN THE LOWER 70S.
SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
ILZ022-190930-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 52 (+1) 54
MIN RH % (24HR TREND) 46 (-5) 35
MIN TEMP (24HR TREND) 33 (-11) 30
MAX RH % (24HR TREND) 83 (-17) 86
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-10 NW 10-15 LGT/VAR S 3-5
PEAK WIND GUSTS (MPH) 24 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5500 4800
MAX MIXING HGT (FT) 6400 5200
TRANSPORT WND (MPH) W 27 SW 4
VENT RATE (MPH-FT) 179200 26000
VENT RATE CATEGORY VERY GOOD POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER
60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
ILZ032-190930-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 54 (+2) 57
MIN RH % (24HR TREND) 43 (-6) 32
MIN TEMP (24HR TREND) 34 (-9) 29
MAX RH % (24HR TREND) 81 (-17) 86
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 6-9 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 24 29
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5800 4300
MAX MIXING HGT (FT) 7600 4900
TRANSPORT WND (MPH) W 29 SW 8
VENT RATE (MPH-FT) 228000 39200
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 60S. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. COOLER. HIGHS IN THE LOWER 70S.
SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
ILZ023-190930-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 53 (+1) 55
MIN RH % (24HR TREND) 43 (-10) 34
MIN TEMP (24HR TREND) 33 (-12) 29
MAX RH % (24HR TREND) 84 (-12) 87
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-10 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 24 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5800 4900
MAX MIXING HGT (FT) 7400 5300
TRANSPORT WND (MPH) W 29 SW 4
VENT RATE (MPH-FT) 222000 26500
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 60.
SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTH
WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
ILZ039-190930-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 55 (+2) 57
MIN RH % (24HR TREND) 38 (-10) 30
MIN TEMP (24HR TREND) 34 (-11) 29
MAX RH % (24HR TREND) 79 (-16) 86
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 7-9 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 24 30 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 5900 4300
MAX MIXING HGT (FT) 8200 4900
TRANSPORT WND (MPH) W 29 SW 6
VENT RATE (MPH-FT) 246000 34300
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. WARMER. LOWS IN THE MID 50S. SOUTHWEST WINDS AROUND
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
60. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. COOLER. HIGHS IN THE LOWER 70S.
SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
ILZ033-190930-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 54 (+1) 56
MIN RH % (24HR TREND) 38 (-11) 29
MIN TEMP (24HR TREND) 34 (-12) 29
MAX RH % (24HR TREND) 79 (-16) 86
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-9 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 24 29
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6000 4700
MAX MIXING HGT (FT) 8000 5200
TRANSPORT WND (MPH) W 29 W 4
VENT RATE (MPH-FT) 240000 26000
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. WARMER. LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 60.
SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTH
WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
INZ010-190930-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY MCLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 53 (0) 54
MIN RH % (24HR TREND) 41 (-11) 32
MIN TEMP (24HR TREND) 34 (-13) 30
MAX RH % (24HR TREND) 81 (-15) 87
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-10 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 23 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6100 4900
MAX MIXING HGT (FT) 7800 5500
TRANSPORT WND (MPH) W 27 SW 6
VENT RATE (MPH-FT) 218400 38500
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. WARMER. LOWS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER
60S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
INZ011-190930-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
406 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY MCLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 53 (-1) 54
MIN RH % (24HR TREND) 41 (-11) 34
MIN TEMP (24HR TREND) 34 (-14) 30
MAX RH % (24HR TREND) 79 (-19) 86
20FT WIND AM (MPH) W 9-12 LGT/VAR
20FT WIND PM (MPH) W 5-10 NW 9-12 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 21 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6300 5000
MAX MIXING HGT (FT) 7700 5600
TRANSPORT WND (MPH) W 26 SW 6
VENT RATE (MPH-FT) 200200 39200
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. WARMER. LOWS IN THE
MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER
60S. SOUTH WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH.
INZ019-190930-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
506 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR PCLDY CLEAR CLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20
MAX TEMP (24HR TREND) 55 (0) 55
MIN RH % (24HR TREND) 38 (-12) 32
MIN TEMP (24HR TREND) 34 (-14) 30
MAX RH % (24HR TREND) 78 (-20) 85
20FT WIND AM (MPH) W 10-15 LGT/VAR
20FT WIND PM (MPH) W 5-9 NW 10-15 LGT/VAR LGT/VAR
PEAK WIND GUSTS (MPH) 21 28
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 6000 4800
MAX MIXING HGT (FT) 8000 5400
TRANSPORT WND (MPH) W 27 NW 4
VENT RATE (MPH-FT) 224000 27000
VENT RATE CATEGORY EXCELLENT POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. WARMER. LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER
60S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
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. SOUTH WINDS AROUND 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER.
LOWS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH.
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