107
FNUS53 KLOT 211020
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
420 AM CST SAT FEB 21 2026
DISCUSSION
DAYTIME TEMPERATURES WILL RANGE FROM THE UPPER 20S TO THE LOW TO
MID 30S THROUGH THE WEEKEND, WITH ANOTHER PERIOD OF BLUSTERY
NORTHWEST WINDS EXPECTED ON SUNDAY. THERE IS A CHANCE OF LIGHT
SNOW TONIGHT INTO EARLY SUNDAY ACROSS NORTHEAST ILLINOIS AND
NORTHWEST INDIANA WITH SOME MINOR ACCUMULATIONS OF LESS THAN
AN INCH. LAKE EFFECT SNOW SHOWERS ARE THEN EXPECTED TO PERSIST
IN PARTS OF NORTHWEST INDIANA INTO MONDAY, WITH SOME ADDITIONAL
ACCUMULATIONS THERE, ESPECIALLY FROM PORTER COUNTY EASTWARD.
SOMEWHAT MILDER WEATHER, WITH DAYTIME TEMPERATURES IN THE 40S,
IS EXPECTED FOR MID AND LATE NEXT WEEK, WITH A COUPLE OF CHANCES
FOR PRECIPITATION MID-WEEK.
ILZ014-212230-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 50 30 30
MAX TEMP (24HR TREND) 34 (0) 30
MIN RH % (24HR TREND) 53 (-18) 52
MIN TEMP (24HR TREND) 22 (-4) 17
MAX RH % (24HR TREND) 75 (+1) 67
20FT WIND AM (MPH) W 8-9 NW 15-20
20FT WIND PM (MPH) W 8-9 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 17 21 28 27
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2800 3200
MAX MIXING HGT (FT) 3800 4200
TRANSPORT WND (MPH) NW 16 NW 24
VENT RATE (MPH-FT) 60800 100800
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 20. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS AROUND 40. SOUTH
WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ006-212230-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 40 20 20
MAX TEMP (24HR TREND) 33 (-2) 29
MIN RH % (24HR TREND) 54 (-17) 53
MIN TEMP (24HR TREND) 21 (-5) 15
MAX RH % (24HR TREND) 74 (-1) 68
20FT WIND AM (MPH) NW 8-10 NW 15-20
20FT WIND PM (MPH) NW 8-10 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 17 23 27 27
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2800 3000
MAX MIXING HGT (FT) 3600 3800
TRANSPORT WND (MPH) NW 17 NW 26
VENT RATE (MPH-FT) 61200 98800
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING. NOT AS
COLD. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE MID 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE MID 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS AROUND
10 MPH.
INZ001-212230-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY CLOUDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 60 40 40
MAX TEMP (24HR TREND) 34 (+2) 30
MIN RH % (24HR TREND) 58 (-14) 58
MIN TEMP (24HR TREND) 22 (-4) 18
MAX RH % (24HR TREND) 77 (+1) 74
20FT WIND AM (MPH) W 6-8 NW 10-15
20FT WIND PM (MPH) W 6-8 NW 8-12 NW 10-15 NW 10-15
PEAK WIND GUSTS (MPH) 14 21 28 30
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2700 3100
MAX MIXING HGT (FT) 3500 4300
TRANSPORT WND (MPH) W 14 NW 24
VENT RATE (MPH-FT) 52500 103200
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 19. NORTH WINDS AROUND
5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS AROUND 40. SOUTHWEST
WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 20S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND
10 MPH.
INZ002-212230-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY CLOUDY MCLDY CLOUDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 60 50 60
MAX TEMP (24HR TREND) 34 (0) 29
MIN RH % (24HR TREND) 59 (-16) 62
MIN TEMP (24HR TREND) 23 (-3) 20
MAX RH % (24HR TREND) 80 (+3) 79
20FT WIND AM (MPH) W 7 NW 10-15
20FT WIND PM (MPH) W 7 NW 7-12 NW 10-15 NW 10-15
PEAK WIND GUSTS (MPH) 24 30 31
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2700 3100
MAX MIXING HGT (FT) 3500 4100
TRANSPORT WND (MPH) NW 13 NW 25
VENT RATE (MPH-FT) 49000 102500
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING. HIGHS
IN THE UPPER 20S. NORTHWEST WINDS AROUND 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 19. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 20S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ013-212230-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY CLOUDY MCLDY PCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 50 20 20
MAX TEMP (24HR TREND) 33 (0) 29
MIN RH % (24HR TREND) 54 (-21) 53
MIN TEMP (24HR TREND) 21 (-4) 16
MAX RH % (24HR TREND) 73 (-3) 66
20FT WIND AM (MPH) W 8-10 NW 15-20
20FT WIND PM (MPH) W 8-10 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 17 21 28 26
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2800 3200
MAX MIXING HGT (FT) 3600 4100
TRANSPORT WND (MPH) NW 16 NW 25
VENT RATE (MPH-FT) 57600 102500
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 19. NORTHWEST WINDS AROUND 5 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS AROUND 40. SOUTHWEST
WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 30.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE MID 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ012-212230-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY CLOUDY MCLDY PCLDY
PRECIP TYPE NONE SNOW SNOW NONE
CHANCE PRECIP (%) 10 40 10 10
MAX TEMP (24HR TREND) 32 (-1) 28
MIN RH % (24HR TREND) 56 (-20) 53
MIN TEMP (24HR TREND) 19 (-5) 14
MAX RH % (24HR TREND) 74 (-4) 67
20FT WIND AM (MPH) NW 8-11 NW 15-20
20FT WIND PM (MPH) NW 8-11 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 17 23 30 27
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2600 3200
MAX MIXING HGT (FT) 3400 4100
TRANSPORT WND (MPH) NW 17 NW 26
VENT RATE (MPH-FT) 57800 106600
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS 10 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 17. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS AROUND 40. SOUTHWEST
WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE MID 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ005-212230-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY CLOUDY MCLDY PCLDY
PRECIP TYPE NONE SNOW FLURRIES NONE
CHANCE PRECIP (%) 10 40 10 10
MAX TEMP (24HR TREND) 32 (-2) 27
MIN RH % (24HR TREND) 56 (-18) 55
MIN TEMP (24HR TREND) 19 (-5) 13
MAX RH % (24HR TREND) 74 (-4) 69
20FT WIND AM (MPH) NW 8-10 NW 15-20
20FT WIND PM (MPH) NW 8-10 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 17 23 29 25
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2700 3000
MAX MIXING HGT (FT) 3500 3800
TRANSPORT WND (MPH) NW 17 NW 26
VENT RATE (MPH-FT) 59500 98800
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS 10 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING. NOT AS
COLD. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE MID 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE LOWER 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS AROUND 50. SOUTHWEST
WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ004-212230-
BOONE-
INCLUDING THE CITY OF BELVIDERE
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY CLOUDY MCLDY PCLDY
PRECIP TYPE NONE SNOW FLURRIES NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 32 (-2) 27
MIN RH % (24HR TREND) 55 (-22) 52
MIN TEMP (24HR TREND) 19 (-4) 13
MAX RH % (24HR TREND) 73 (-7) 69
20FT WIND AM (MPH) NW 8-11 NW 15-20
20FT WIND PM (MPH) NW 8-11 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 18 23 28 25
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2600 3000
MAX MIXING HGT (FT) 3500 3900
TRANSPORT WND (MPH) NW 17 NW 26
VENT RATE (MPH-FT) 59500 101400
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS IN THE UPPER 20S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 16. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING. NOT AS
COLD. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE MID 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE LOWER 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS AROUND 50. SOUTHWEST
WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS AROUND 10 MPH.
ILZ011-212230-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW FLURRIES NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 31 (-1) 27
MIN RH % (24HR TREND) 55 (-21) 51
MIN TEMP (24HR TREND) 18 (-5) 14
MAX RH % (24HR TREND) 74 (-6) 68
20FT WIND AM (MPH) NW 9-12 NW 15-20
20FT WIND PM (MPH) NW 9-12 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 18 24 29 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2600 3100
MAX MIXING HGT (FT) 3300 4100
TRANSPORT WND (MPH) NW 18 NW 26
VENT RATE (MPH-FT) 59400 106600
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE MID 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ003-212230-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW NONE NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 31 (-3) 26
MIN RH % (24HR TREND) 54 (-19) 49
MIN TEMP (24HR TREND) 18 (-4) 13
MAX RH % (24HR TREND) 71 (-8) 67
20FT WIND AM (MPH) NW 8-11 NW 15-20
20FT WIND PM (MPH) NW 8-11 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 18 23 27 25
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2600 3000
MAX MIXING HGT (FT) 3300 4000
TRANSPORT WND (MPH) NW 18 NW 26
VENT RATE (MPH-FT) 59400 104000
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS IN THE UPPER 20S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 16. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW IN THE MORNING. NOT AS
COLD. HIGHS IN THE UPPER 30S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE MID 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS AROUND 10 MPH.
ILZ008-212230-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW NONE NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 30 (-2) 26
MIN RH % (24HR TREND) 54 (-23) 48
MIN TEMP (24HR TREND) 17 (-4) 13
MAX RH % (24HR TREND) 73 (-7) 69
20FT WIND AM (MPH) NW 8-12 NW 15-20
20FT WIND PM (MPH) NW 8-12 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 18 24 28 25
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2500 3000
MAX MIXING HGT (FT) 3200 4100
TRANSPORT WND (MPH) NW 18 NW 27
VENT RATE (MPH-FT) 57600 114800
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS IN THE UPPER 20S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 16. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ010-212230-
LEE-
INCLUDING THE CITY OF DIXON
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW NONE NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 31 (0) 26
MIN RH % (24HR TREND) 55 (-26) 49
MIN TEMP (24HR TREND) 17 (-5) 13
MAX RH % (24HR TREND) 72 (-9) 67
20FT WIND AM (MPH) NW 9-12 NW 15-20
20FT WIND PM (MPH) NW 9-12 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 19 24 29 27
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2400 3100
MAX MIXING HGT (FT) 3200 4000
TRANSPORT WND (MPH) NW 18 NW 27
VENT RATE (MPH-FT) 57600 112000
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. WEST WINDS
10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE MID 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ019-212230-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW FLURRIES NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 33 (+2) 28
MIN RH % (24HR TREND) 52 (-19) 48
MIN TEMP (24HR TREND) 18 (-4) 15
MAX RH % (24HR TREND) 70 (-8) 64
20FT WIND AM (MPH) W 8-11 NW 15-20
20FT WIND PM (MPH) NW 8-11 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 18 24 29 26
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2500 3300
MAX MIXING HGT (FT) 3400 4300
TRANSPORT WND (MPH) NW 18 NW 26
VENT RATE (MPH-FT) 61200 111800
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS AROUND 50. WEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE MID 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE MID 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ020-212230-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW SNOW NONE
CHANCE PRECIP (%) 10 40 10 10
MAX TEMP (24HR TREND) 33 (+1) 29
MIN RH % (24HR TREND) 55 (-19) 52
MIN TEMP (24HR TREND) 20 (-4) 15
MAX RH % (24HR TREND) 74 (-4) 66
20FT WIND AM (MPH) W 8-11 NW 15-20
20FT WIND PM (MPH) NW 8-11 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 17 23 28 25
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2600 3200
MAX MIXING HGT (FT) 3500 4300
TRANSPORT WND (MPH) NW 17 NW 26
VENT RATE (MPH-FT) 59500 111800
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS 10 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS AROUND 5 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 30.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE MID 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE MID 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ021-212230-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW FLURRIES NONE
CHANCE PRECIP (%) 10 40 10 10
MAX TEMP (24HR TREND) 34 (+2) 29
MIN RH % (24HR TREND) 54 (-15) 53
MIN TEMP (24HR TREND) 20 (-3) 16
MAX RH % (24HR TREND) 72 (-5) 67
20FT WIND AM (MPH) W 8-10 NW 15-20
20FT WIND PM (MPH) NW 8-10 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 17 23 28 24
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2600 3300
MAX MIXING HGT (FT) 3500 4400
TRANSPORT WND (MPH) NW 17 NW 26
VENT RATE (MPH-FT) 59500 114400
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
SUNNY. HIGHS AROUND 30. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS AROUND 5 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS
10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE MID 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ022-212230-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 50 20 20
MAX TEMP (24HR TREND) 34 (+2) 29
MIN RH % (24HR TREND) 58 (-16) 54
MIN TEMP (24HR TREND) 21 (-3) 17
MAX RH % (24HR TREND) 77 (-1) 69
20FT WIND AM (MPH) W 8-9 NW 15-20
20FT WIND PM (MPH) NW 8-9 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 16 21 27 25
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2600 3200
MAX MIXING HGT (FT) 3400 4400
TRANSPORT WND (MPH) NW 16 NW 25
VENT RATE (MPH-FT) 54400 110000
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS AROUND 5 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE UPPER 40S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND
10 MPH.
ILZ032-212230-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW FLURRIES NONE
CHANCE PRECIP (%) 10 30 10
MAX TEMP (24HR TREND) 34 (+1) 28
MIN RH % (24HR TREND) 53 (-11) 53
MIN TEMP (24HR TREND) 19 (-3) 15
MAX RH % (24HR TREND) 71 (-7) 68
20FT WIND AM (MPH) W 8-11 NW 15-20
20FT WIND PM (MPH) NW 8-11 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 18 24 29 25
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2400 3300
MAX MIXING HGT (FT) 3500 4300
TRANSPORT WND (MPH) NW 17 NW 27
VENT RATE (MPH-FT) 59500 120400
VENT RATE CATEGORY FAIR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS AROUND 30. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE MID 40S.
SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. NOT AS COOL. HIGHS IN THE MID 50S. SOUTHWEST
WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ023-212230-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 50 20 20
MAX TEMP (24HR TREND) 34 (+2) 29
MIN RH % (24HR TREND) 58 (-12) 55
MIN TEMP (24HR TREND) 21 (-3) 16
MAX RH % (24HR TREND) 74 (-3) 70
20FT WIND AM (MPH) W 8-9 NW 10-15
20FT WIND PM (MPH) NW 8-9 NW 10-15 NW 10-15 NW 10-15
PEAK WIND GUSTS (MPH) 16 21 27 23
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2600 3200
MAX MIXING HGT (FT) 3400 4400
TRANSPORT WND (MPH) NW 16 NW 25
VENT RATE (MPH-FT) 54400 110000
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS AROUND 5 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS AROUND 50. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE MID 50S.
SOUTHWEST WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ039-212230-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW FLURRIES NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 35 (0) 28
MIN RH % (24HR TREND) 53 (-8) 52
MIN TEMP (24HR TREND) 20 (-2) 16
MAX RH % (24HR TREND) 71 (-9) 68
20FT WIND AM (MPH) NW 8-10 NW 15-20
20FT WIND PM (MPH) NW 8-10 NW 10-15 NW 15-20 NW 10-15
PEAK WIND GUSTS (MPH) 16 23 30 24
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2300 3400
MAX MIXING HGT (FT) 3600 4200
TRANSPORT WND (MPH) NW 17 NW 27
VENT RATE (MPH-FT) 61200 117600
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS AROUND 30. NORTHWEST WINDS AROUND
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS AROUND 5 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. COLDER. HIGHS IN THE LOWER 40S.
NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. NOT AS COOL. HIGHS IN THE MID 50S. SOUTHWEST
WINDS 10 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 10 MPH.
ILZ033-212230-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 40 20 10
MAX TEMP (24HR TREND) 35 (+1) 29
MIN RH % (24HR TREND) 52 (-11) 51
MIN TEMP (24HR TREND) 20 (-4) 16
MAX RH % (24HR TREND) 71 (-6) 67
20FT WIND AM (MPH) W 8-9 NW 10-15
20FT WIND PM (MPH) NW 8-9 NW 10-15 NW 10-15 NW 10-15
PEAK WIND GUSTS (MPH) 15 21 27 23
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2400 3300
MAX MIXING HGT (FT) 3400 4500
TRANSPORT WND (MPH) NW 16 NW 26
VENT RATE (MPH-FT) 54400 117000
VENT RATE CATEGORY FAIR VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 18. NORTHWEST WINDS AROUND 5 MPH,
BECOMING WEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 20S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. NOT AS COOL. HIGHS IN THE MID 50S. SOUTHWEST
WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 10 MPH.
INZ010-212230-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 60 30 30
MAX TEMP (24HR TREND) 34 (+1) 29
MIN RH % (24HR TREND) 58 (-10) 56
MIN TEMP (24HR TREND) 22 (-3) 17
MAX RH % (24HR TREND) 73 (-3) 70
20FT WIND AM (MPH) W 7-8 NW 10-15
20FT WIND PM (MPH) NW 7-8 NW 7-12 NW 10-15 NW 10-15
PEAK WIND GUSTS (MPH) 14 19 25 24
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2500 3200
MAX MIXING HGT (FT) 3200 4500
TRANSPORT WND (MPH) NW 14 NW 25
VENT RATE (MPH-FT) 48000 112500
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 18. NORTH WINDS AROUND 5 MPH, BECOMING
WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 20S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 10 MPH.
INZ011-212230-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
420 AM CST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 60 40 40
MAX TEMP (24HR TREND) 35 (+2) 30
MIN RH % (24HR TREND) 59 (-11) 59
MIN TEMP (24HR TREND) 22 (-4) 19
MAX RH % (24HR TREND) 76 (0) 76
20FT WIND AM (MPH) W 7-8 NW 10-15
20FT WIND PM (MPH) W 7-8 NW 7-12 NW 10-15 NW 10-15
PEAK WIND GUSTS (MPH) 14 19 25 24
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.01-0.05
11 AM MIXING HGT (FT) 2600 3100
MAX MIXING HGT (FT) 3300 4400
TRANSPORT WND (MPH) W 14 NW 24
VENT RATE (MPH-FT) 49500 105600
VENT RATE CATEGORY FAIR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 19. NORTH WINDS AROUND 5 MPH, BECOMING
WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. NOT AS COLD. HIGHS AROUND 40. SOUTH
WINDS AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 20S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND
10 MPH.
INZ019-212230-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
520 AM EST SAT FEB 21 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW SNOW
CHANCE PRECIP (%) 10 50 30 20
MAX TEMP (24HR TREND) 35 (0) 29
MIN RH % (24HR TREND) 56 (-8) 57
MIN TEMP (24HR TREND) 21 (-4) 17
MAX RH % (24HR TREND) 73 (-3) 70
20FT WIND AM (MPH) W 7-9 NW 10-15
20FT WIND PM (MPH) NW 7-9 NW 7-12 NW 10-15 NW 10-15
PEAK WIND GUSTS (MPH) 14 20 26 24
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2400 3200
MAX MIXING HGT (FT) 3100 4400
TRANSPORT WND (MPH) NW 14 NW 25
VENT RATE (MPH-FT) 46500 110000
VENT RATE CATEGORY POOR GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 19. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. NOT AS COLD. HIGHS IN THE LOWER 40S.
SOUTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
30S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN
THE UPPER 20S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY SUNNY. COLDER. HIGHS IN THE LOWER 40S.
NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. NOT AS COOL. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 10 MPH.
RATZER
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