131
FNUS53 KLOT 290943
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
443 AM CDT SAT AUG 29 2026
DISCUSSION
LIGHT SOUTHERLY WINDS ARE EXPECTED TODAY. MINIMUM RELATIVE
HUMIDITIES ARE EXPECTED IN THE 50 PERCENT RANGE, WITH RECOVERY
INTO THE 80 PERCENT RANGE OVERNIGHT. THERE IS A CHANCE FOR LIGHT
SHOWERS/SPRINKLES (MAINLY NORTH OF I-88) THIS AFTERNOON, BUT MOST
AREAS SHOULD BE DRY. BETTER CHANCES FOR SHOWERS ARE OVERNIGHT INTO
SUNDAY MORNING WITH ISOLATED THUNDER CHANCES, AGAIN, MAINLY AROUND
AND NORTH OF I-88. BREEZIER SOUTHWEST WINDS ARE EXPECTED ON
SUNDAY.
PERIODIC SHOWER/STORM CHANCES ARE EXPECTED NEXT WEEK, THOUGH
THERE WILL BE MANY DRY HOURS. INCREASING HEAT AND HUMIDITY IS
ALSO EXPECTED NEXT WEEK WITH HEAT INDICES CLIMBING INTO THE 90S.
ILZ014-292115-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SPRINKLES SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 10 20 30 10
MAX TEMP (24HR TREND) 81 (-2) 87
MIN RH % (24HR TREND) 52 (+8) 50
MIN TEMP (24HR TREND) 67 (+3) 70
MAX RH % (24HR TREND) 80 (-1) 75
20FT WIND AM (MPH) SW 7-9 S 12
20FT WIND PM (MPH) SW 7-9 S 9-10 SW 12 S 8
PEAK WIND GUSTS (MPH) 15 19 21 15
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 3600 1600
MAX MIXING HGT (FT) 5200 2700
TRANSPORT WND (MPH) SW 12 SW 19
VENT RATE (MPH-FT) 67600 54000
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
70. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
ILZ006-292115-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 30 40 20
MAX TEMP (24HR TREND) 79 (-3) 86
MIN RH % (24HR TREND) 56 (+7) 55
MIN TEMP (24HR TREND) 67 (+5) 70
MAX RH % (24HR TREND) 82 (-15) 81
20FT WIND AM (MPH) SW 7-9 SW 11-12
20FT WIND PM (MPH) SW 7-9 S 9-10 SW 11-12 S 7
PEAK WIND GUSTS (MPH) 15 19 21
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 3300 1900
MAX MIXING HGT (FT) 4700 2600
TRANSPORT WND (MPH) SW 14 SW 24
VENT RATE (MPH-FT) 70500 62400
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
INZ001-292115-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10 10
MAX TEMP (24HR TREND) 81 (-1) 86
MIN RH % (24HR TREND) 54 (+6) 53
MIN TEMP (24HR TREND) 66 (+5) 69
MAX RH % (24HR TREND) 83 (-9) 78
20FT WIND AM (MPH) SW 6-8 S 10-11
20FT WIND PM (MPH) SW 6-8 S 6-8 SW 10-11 S 6-7
PEAK WIND GUSTS (MPH) 13 17 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3300 1300
MAX MIXING HGT (FT) 5100 2200
TRANSPORT WND (MPH) SW 11 SW 17
VENT RATE (MPH-FT) 61200 37400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH IN THE EVENING, BECOMING
LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
INZ002-292115-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10 10
MAX TEMP (24HR TREND) 81 (0) 86
MIN RH % (24HR TREND) 52 (+6) 52
MIN TEMP (24HR TREND) 66 (+5) 69
MAX RH % (24HR TREND) 84 (-7) 78
20FT WIND AM (MPH) S 6-8 S 9-11
20FT WIND PM (MPH) SW 6-8 S 6-8 SW 9-11 S 6-7
PEAK WIND GUSTS (MPH) 15 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3200 1200
MAX MIXING HGT (FT) 5100 2100
TRANSPORT WND (MPH) SW 11 SW 18
VENT RATE (MPH-FT) 61200 37800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
ILZ013-292115-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SPRINKLES SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 10 20 30 10
MAX TEMP (24HR TREND) 80 (-3) 87
MIN RH % (24HR TREND) 53 (+9) 51
MIN TEMP (24HR TREND) 67 (+5) 70
MAX RH % (24HR TREND) 81 (-2) 76
20FT WIND AM (MPH) SW 7-9 S 12
20FT WIND PM (MPH) SW 7-9 S 9-10 SW 12 S 8
PEAK WIND GUSTS (MPH) 15 18 21 15
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3400 1600
MAX MIXING HGT (FT) 4800 2500
TRANSPORT WND (MPH) SW 13 SW 19
VENT RATE (MPH-FT) 67200 50000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. EAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
ILZ012-292115-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SPRINKLES SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 30 30 10
MAX TEMP (24HR TREND) 79 (-3) 86
MIN RH % (24HR TREND) 57 (+9) 56
MIN TEMP (24HR TREND) 67 (+8) 69
MAX RH % (24HR TREND) 82 (-12) 79
20FT WIND AM (MPH) SW 6-9 S 12
20FT WIND PM (MPH) S 6-9 S 9-10 SW 12 S 8
PEAK WIND GUSTS (MPH) 16 19 23 14
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2600 1500
MAX MIXING HGT (FT) 4300 2100
TRANSPORT WND (MPH) SW 14 SW 23
VENT RATE (MPH-FT) 64500 48300
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. EAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
ILZ005-292115-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 40 30 20
MAX TEMP (24HR TREND) 79 (-3) 85
MIN RH % (24HR TREND) 59 (+11) 59
MIN TEMP (24HR TREND) 66 (+6) 69
MAX RH % (24HR TREND) 83 (-13) 81
20FT WIND AM (MPH) SW 7-9 SW 12
20FT WIND PM (MPH) S 7-9 S 9-10 SW 12 S 6-7
PEAK WIND GUSTS (MPH) 16 19 23
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2700 1900
MAX MIXING HGT (FT) 4100 2500
TRANSPORT WND (MPH) SW 16 SW 24
VENT RATE (MPH-FT) 65600 60000
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. EAST WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
ILZ004-292115-
BOONE-
INCLUDING THE CITY OF BELVIDERE
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 40 30 20
MAX TEMP (24HR TREND) 78 (-3) 86
MIN RH % (24HR TREND) 61 (+15) 58
MIN TEMP (24HR TREND) 67 (+8) 69
MAX RH % (24HR TREND) 82 (-11) 80
20FT WIND AM (MPH) SW 6-10 SW 10-15
20FT WIND PM (MPH) S 6-10 S 10 SW 10-15 S 6-7
PEAK WIND GUSTS (MPH) 17 19 21
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2500 1900
MAX MIXING HGT (FT) 3900 2400
TRANSPORT WND (MPH) SW 17 SW 21
VENT RATE (MPH-FT) 66300 52800
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. EAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
ILZ011-292115-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SPRINKLES SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 10 30 30 10
MAX TEMP (24HR TREND) 79 (-1) 85
MIN RH % (24HR TREND) 59 (+10) 58
MIN TEMP (24HR TREND) 67 (+9) 69
MAX RH % (24HR TREND) 82 (-12) 79
20FT WIND AM (MPH) SW 7-9 S 10-15
20FT WIND PM (MPH) S 7-9 S 10 SW 10-15 S 8
PEAK WIND GUSTS (MPH) 17 19 23 15
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2200 1600
MAX MIXING HGT (FT) 3900 2000
TRANSPORT WND (MPH) SW 14 SW 23
VENT RATE (MPH-FT) 58500 46000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. EAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
ILZ003-292115-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 40 30 20
MAX TEMP (24HR TREND) 78 (-4) 86
MIN RH % (24HR TREND) 60 (+19) 57
MIN TEMP (24HR TREND) 67 (+7) 70
MAX RH % (24HR TREND) 81 (-13) 79
20FT WIND AM (MPH) SW 7-10 SW 10-15
20FT WIND PM (MPH) S 7-10 S 10-11 SW 10-15 S 8
PEAK WIND GUSTS (MPH) 19 20 24 14
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2400 1900
MAX MIXING HGT (FT) 3600 2400
TRANSPORT WND (MPH) SW 17 SW 21
VENT RATE (MPH-FT) 61200 52800
VENT RATE CATEGORY FAIR FAIR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. EAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ008-292115-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SPRINKLES TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 30 20
MAX TEMP (24HR TREND) 79 (-2) 86
MIN RH % (24HR TREND) 61 (+17) 57
MIN TEMP (24HR TREND) 67 (+8) 69
MAX RH % (24HR TREND) 81 (-16) 79
20FT WIND AM (MPH) SW 7-10 SW 10-15
20FT WIND PM (MPH) S 7-10 S 11 SW 10-15 S 8
PEAK WIND GUSTS (MPH) 19 20 23 15
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00
11 AM MIXING HGT (FT) 2100 1600
MAX MIXING HGT (FT) 3600 2000
TRANSPORT WND (MPH) SW 17 SW 21
VENT RATE (MPH-FT) 61200 44000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH,
BECOMING NORTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ010-292115-
LEE-
INCLUDING THE CITY OF DIXON
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 10 30 20 10
MAX TEMP (24HR TREND) 80 (-1) 86
MIN RH % (24HR TREND) 58 (+13) 57
MIN TEMP (24HR TREND) 67 (+8) 69
MAX RH % (24HR TREND) 81 (-12) 79
20FT WIND AM (MPH) S 7-10 S 11-12
20FT WIND PM (MPH) S 7-10 S 10 S 11-12 S 9
PEAK WIND GUSTS (MPH) 18 18 21 15
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2000 1400
MAX MIXING HGT (FT) 3700 1700
TRANSPORT WND (MPH) SW 16 S 20
VENT RATE (MPH-FT) 59200 35700
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. WEST WINDS AROUND 5 MPH, BECOMING NORTH
AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. EAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
ILZ019-292115-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 20 10
MAX TEMP (24HR TREND) 81 (-1) 87
MIN RH % (24HR TREND) 56 (+11) 53
MIN TEMP (24HR TREND) 67 (+8) 69
MAX RH % (24HR TREND) 81 (-13) 76
20FT WIND AM (MPH) SW 6-9 S 10-11
20FT WIND PM (MPH) S 6-9 S 8 S 10-11 S 8
PEAK WIND GUSTS (MPH) 16 18 20 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2300 1200
MAX MIXING HGT (FT) 4200 1800
TRANSPORT WND (MPH) SW 13 S 16
VENT RATE (MPH-FT) 58800 28800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND
70. EAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
ILZ020-292115-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 20 20 10
MAX TEMP (24HR TREND) 80 (-2) 87
MIN RH % (24HR TREND) 57 (+10) 55
MIN TEMP (24HR TREND) 67 (+8) 69
MAX RH % (24HR TREND) 83 (-15) 78
20FT WIND AM (MPH) SW 6-9 S 11
20FT WIND PM (MPH) S 6-9 S 8-9 S 11 S 7-8
PEAK WIND GUSTS (MPH) 14 16 20 13
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2700 1300
MAX MIXING HGT (FT) 4400 1900
TRANSPORT WND (MPH) SW 13 S 18
VENT RATE (MPH-FT) 61600 34200
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. EAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
ILZ021-292115-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10
MAX TEMP (24HR TREND) 82 (0) 88
MIN RH % (24HR TREND) 56 (+11) 54
MIN TEMP (24HR TREND) 67 (+7) 69
MAX RH % (24HR TREND) 82 (-17) 77
20FT WIND AM (MPH) SW 6-9 S 10
20FT WIND PM (MPH) S 6-9 S 7-8 S 10 S 7-8
PEAK WIND GUSTS (MPH) 14 15 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2700 1300
MAX MIXING HGT (FT) 4600 1900
TRANSPORT WND (MPH) SW 12 S 18
VENT RATE (MPH-FT) 59800 34200
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 90. NORTH WINDS AROUND
5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. LIGHT WINDS.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
ILZ022-292115-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10 10
MAX TEMP (24HR TREND) 81 (-2) 87
MIN RH % (24HR TREND) 55 (+8) 54
MIN TEMP (24HR TREND) 66 (+5) 69
MAX RH % (24HR TREND) 83 (-12) 78
20FT WIND AM (MPH) SW 6-9 S 10-11
20FT WIND PM (MPH) S 6-9 S 8-9 SW 10-11 S 7-8
PEAK WIND GUSTS (MPH) 14 17 20
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 1300
MAX MIXING HGT (FT) 4800 2000
TRANSPORT WND (MPH) SW 12 SW 18
VENT RATE (MPH-FT) 62400 36000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
ILZ032-292115-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 82 (0) 88
MIN RH % (24HR TREND) 55 (+8) 53
MIN TEMP (24HR TREND) 66 (+6) 69
MAX RH % (24HR TREND) 82 (-16) 74
20FT WIND AM (MPH) S 6-8 S 9-10
20FT WIND PM (MPH) S 6-8 S 7-8 S 9-10 S 7
PEAK WIND GUSTS (MPH) 13 17 19
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2600 1200
MAX MIXING HGT (FT) 4500 1900
TRANSPORT WND (MPH) SW 12 S 17
VENT RATE (MPH-FT) 58500 32300
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
ILZ023-292115-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10
MAX TEMP (24HR TREND) 81 (-1) 87
MIN RH % (24HR TREND) 54 (+5) 51
MIN TEMP (24HR TREND) 66 (+5) 69
MAX RH % (24HR TREND) 84 (-13) 76
20FT WIND AM (MPH) S 6-8 S 9-10
20FT WIND PM (MPH) S 6-8 S 6-7 S 9-10 S 6
PEAK WIND GUSTS (MPH) 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2900 1200
MAX MIXING HGT (FT) 5000 1900
TRANSPORT WND (MPH) SW 11 S 17
VENT RATE (MPH-FT) 60000 32300
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. LIGHT WINDS.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
ILZ039-292115-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 82 (0) 88
MIN RH % (24HR TREND) 54 (+4) 51
MIN TEMP (24HR TREND) 66 (+5) 69
MAX RH % (24HR TREND) 82 (-14) 75
20FT WIND AM (MPH) S 5-8 S 9-10
20FT WIND PM (MPH) S 5-8 SE 6-7 S 9-10 S 6-7
PEAK WIND GUSTS (MPH) 17
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2600 1400
MAX MIXING HGT (FT) 4700 2200
TRANSPORT WND (MPH) SW 10 S 17
VENT RATE (MPH-FT) 47000 37400
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH.
ILZ033-292115-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
MAX TEMP (24HR TREND) 82 (0) 87
MIN RH % (24HR TREND) 53 (+5) 50
MIN TEMP (24HR TREND) 65 (+4) 68
MAX RH % (24HR TREND) 83 (-15) 77
20FT WIND AM (MPH) S 5-7 S 8-9
20FT WIND PM (MPH) S 5-7 S 5-6 S 8-9 S 5
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2800 1300
MAX MIXING HGT (FT) 4900 2000
TRANSPORT WND (MPH) SW 10 S 17
VENT RATE (MPH-FT) 49000 34000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 90. LIGHT WINDS, BECOMING
WEST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
INZ010-292115-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10
MAX TEMP (24HR TREND) 81 (0) 86
MIN RH % (24HR TREND) 53 (+8) 53
MIN TEMP (24HR TREND) 65 (+5) 69
MAX RH % (24HR TREND) 83 (-17) 77
20FT WIND AM (MPH) S 5-7 S 8-9
20FT WIND PM (MPH) S 5-7 LGT/VAR SW 8-9 S 5
PEAK WIND GUSTS (MPH) 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3300 1300
MAX MIXING HGT (FT) 5000 2100
TRANSPORT WND (MPH) SW 10 SW 18
VENT RATE (MPH-FT) 50000 37800
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
INZ011-292115-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
443 AM CDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10 10
MAX TEMP (24HR TREND) 81 (0) 86
MIN RH % (24HR TREND) 51 (+6) 52
MIN TEMP (24HR TREND) 65 (+6) 69
MAX RH % (24HR TREND) 83 (-14) 78
20FT WIND AM (MPH) S 5-7 S 8-10
20FT WIND PM (MPH) SW 5-7 LGT/VAR SW 8-10 S 5
PEAK WIND GUSTS (MPH) 18
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3400 1200
MAX MIXING HGT (FT) 5100 2000
TRANSPORT WND (MPH) SW 9 SW 16
VENT RATE (MPH-FT) 45900 32000
VENT RATE CATEGORY FAIR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. LIGHT WINDS.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
INZ019-292115-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
543 AM EDT SAT AUG 29 2026
TODAY TONIGHT SUN SUN NIGHT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10
MAX TEMP (24HR TREND) 81 (0) 86
MIN RH % (24HR TREND) 53 (+9) 53
MIN TEMP (24HR TREND) 65 (+5) 68
MAX RH % (24HR TREND) 86 (-11) 80
20FT WIND AM (MPH) LGT/VAR S 8-9
20FT WIND PM (MPH) S 4-6 LGT/VAR S 8-9 LGT/VAR
PEAK WIND GUSTS (MPH) 16
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 1100
MAX MIXING HGT (FT) 4800 2200
TRANSPORT WND (MPH) SW 8 SW 16
VENT RATE (MPH-FT) 38400 35200
VENT RATE CATEGORY POOR POOR
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
MONDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. LIGHT WINDS.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
DK
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page