115
FNUS53 KLOT 171412
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
912 AM CDT FRI APR 17 2026
DISCUSSION
EXPECT A BREEZY AND UNSEASONABLY MILD DAY TODAY. TEMPERATURES WILL
WARM THROUGH THE 60S AND 70S THIS MORNING AND PEAK IN THE LOWER
80S THIS AFTERNOON. DEWPOINTS AROUND 60 DEGREES WILL YIELD MIDDAY
RHS BETWEEN 40 AND 50%. SOUTHERLY WINDS WILL INCREASE THROUGH THE
MORNING GUSTING TO BETWEEN 30 AND 35 MPH DURING THE AFTERNOON.
A LINE OF THUNDERSTORMS WILL MOVE ACROSS NORTHERN IL
AND NORTHWEST IN THIS EVENING. STORMS MAY BE SEVERE AND FEATURE
DAMAGING WIND GUSTS, HAIL, AND PERHAPS A FEW TORNADOES. HEAVY
RAIN MAY ALSO LEAD TO INSTANCES OF FLASH FLOODING. THUNDERSTORMS WILL
MOVE AWAY BY THE END OF THE EVENING WITH ADDITIONAL SHOWERS
POSSIBLY LINGERING THROUGH THE NIGHT.
MUCH COOLER WEATHER IS IN STORE FOR THE WEEKEND. HIGHS ARE
FORECAST DOWN IN THE UPPER 40S TO MIDDLE 50S. NO PRECIPITATION IS
EXPECTED OUTSIDE OF ANY SHOWERS LINGERING INTO EARLY SATURDAY,
AND BOTH DAYS WILL FEATURE BREEZY WNW WINDS.
ILZ014-180915-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 10 90 20
MAX TEMP (24HR TREND) 81 (+9) 51
MIN RH % (24HR TREND) 43 (-21) 46
MIN TEMP (24HR TREND) 43 (-8) 34
MAX RH % (24HR TREND) 91 (-9) 70
20FT WIND AM (MPH) S 15-20 NW 10-15
20FT WIND PM (MPH) S 15-20 S 10-15 W 10-15 W 7-10
PEAK WIND GUSTS (MPH) 30 28 26 24
PRECIP AMOUNT (IN) 0.00 0.75-1.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2000 3700
MAX MIXING HGT (FT) 5500 5500
TRANSPORT WND (MPH) S 27 W 25
VENT RATE (MPH-FT) 154000 137500
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 50. NORTHWEST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT. LOWS
IN THE MID 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ006-180915-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 20 90 10
MAX TEMP (24HR TREND) 80 (+10) 49
MIN RH % (24HR TREND) 48 (-20) 46
MIN TEMP (24HR TREND) 41 (-9) 32
MAX RH % (24HR TREND) 91 (-9) 74
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 SW 10-15 W 10-15 W 7-10
PEAK WIND GUSTS (MPH) 30 27 26 23
PRECIP AMOUNT (IN) 0.01-0.05 0.50-0.75 0.00 0.00
11 AM MIXING HGT (FT) 1600 3600
MAX MIXING HGT (FT) 4600 5600
TRANSPORT WND (MPH) S 25 W 27
VENT RATE (MPH-FT) 115000 156800
VENT RATE CATEGORY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST IN THE EVENING, THEN
WIDESPREAD FROST AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTH
WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
MID 50S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE LOWER
40S. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTHEAST WINDS AROUND 10 MPH.
INZ001-180915-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 10 90 30 10
MAX TEMP (24HR TREND) 80 (+9) 52
MIN RH % (24HR TREND) 45 (-20) 51
MIN TEMP (24HR TREND) 46 (-4) 34
MAX RH % (24HR TREND) 98 (-2) 78
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 S 10-15 W 10-15 W 6-10
PEAK WIND GUSTS (MPH) 27 26 23 20
PRECIP AMOUNT (IN) 0.00 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2000 3300
MAX MIXING HGT (FT) 5000 5400
TRANSPORT WND (MPH) S 27 W 25
VENT RATE (MPH-FT) 140000 135000
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS
10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. PATCHY FROST IN THE EVENING, THEN
WIDESPREAD FROST AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTH
WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
MID 50S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 10 MPH, BECOMING NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
INZ002-180915-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 10 80 40 10
MAX TEMP (24HR TREND) 80 (+10) 52
MIN RH % (24HR TREND) 45 (-22) 50
MIN TEMP (24HR TREND) 45 (-5) 35
MAX RH % (24HR TREND) 98 (-2) 76
20FT WIND AM (MPH) S 10-15 NW 12
20FT WIND PM (MPH) S 10-15 S 10-15 W 12 NW 7-9
PEAK WIND GUSTS (MPH) 25 25 21 19
PRECIP AMOUNT (IN) 0.00 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 1800 3000
MAX MIXING HGT (FT) 4900 5200
TRANSPORT WND (MPH) S 26 W 24
VENT RATE (MPH-FT) 127400 124800
VENT RATE CATEGORY GOOD GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 50. NORTHWEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST IN THE EVENING, THEN
WIDESPREAD FROST AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTH
WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
MID 50S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTHEAST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 50S. SOUTHEAST WINDS AROUND 10 MPH.
ILZ013-180915-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 20 100 10
MAX TEMP (24HR TREND) 81 (+8) 50
MIN RH % (24HR TREND) 46 (-16) 46
MIN TEMP (24HR TREND) 43 (-10) 34
MAX RH % (24HR TREND) 92 (-8) 73
20FT WIND AM (MPH) S 15-20 NW 10-15
20FT WIND PM (MPH) S 15-20 SW 10-15 W 10-15 W 7-11
PEAK WIND GUSTS (MPH) 30 28 26 24
PRECIP AMOUNT (IN) 0.01-0.05 0.50-0.75 0.00 0.00
11 AM MIXING HGT (FT) 1900 3700
MAX MIXING HGT (FT) 5600 5500
TRANSPORT WND (MPH) S 29 W 26
VENT RATE (MPH-FT) 168000 143000
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS
10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE MID 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS AROUND 5 MPH,
BECOMING SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 10 MPH, BECOMING EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ012-180915-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 30 100 10
MAX TEMP (24HR TREND) 80 (+8) 49
MIN RH % (24HR TREND) 50 (-12) 49
MIN TEMP (24HR TREND) 40 (-13) 32
MAX RH % (24HR TREND) 95 (-5) 77
20FT WIND AM (MPH) S 15-20 NW 15-20
20FT WIND PM (MPH) S 15-20 SW 15-20 W 15-20 W 7-12
PEAK WIND GUSTS (MPH) 32 28 27 25
PRECIP AMOUNT (IN) 0.05-0.10 0.50-0.75 0.00 0.00
11 AM MIXING HGT (FT) 1800 3700
MAX MIXING HGT (FT) 5400 5600
TRANSPORT WND (MPH) S 31 W 27
VENT RATE (MPH-FT) 167400 156800
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS
AROUND 50. NORTHWEST WINDS AROUND 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
PARTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ005-180915-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 30 90 10
MAX TEMP (24HR TREND) 79 (+5) 48
MIN RH % (24HR TREND) 52 (-11) 48
MIN TEMP (24HR TREND) 39 (-13) 31
MAX RH % (24HR TREND) 93 (-7) 75
20FT WIND AM (MPH) S 15-20 NW 10-15
20FT WIND PM (MPH) S 15-20 SW 10-15 W 10-15 W 6-11
PEAK WIND GUSTS (MPH) 31 27 27 24
PRECIP AMOUNT (IN) 0.05-0.10 0.50-0.75 0.00 0.00
11 AM MIXING HGT (FT) 1700 3700
MAX MIXING HGT (FT) 4200 5700
TRANSPORT WND (MPH) S 29 W 28
VENT RATE (MPH-FT) 126000 165300
VENT RATE CATEGORY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST IN THE EVENING, THEN
WIDESPREAD FROST AFTER MIDNIGHT. LOWS AROUND 30. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
MID 50S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTH WINDS AROUND 10 MPH.
ILZ004-180915-
BOONE-
INCLUDING THE CITY OF BELVIDERE
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 40 90 10
MAX TEMP (24HR TREND) 80 (+7) 48
MIN RH % (24HR TREND) 53 (-8) 45
MIN TEMP (24HR TREND) 38 (-14) 31
MAX RH % (24HR TREND) 89 (-11) 75
20FT WIND AM (MPH) S 15-20 NW 15-20
20FT WIND PM (MPH) S 15-20 SW 10-15 W 15-20 W 6-11
PEAK WIND GUSTS (MPH) 32 28 27 24
PRECIP AMOUNT (IN) 0.10-0.25 0.50-0.75 0.00 0.00
11 AM MIXING HGT (FT) 1700 3800
MAX MIXING HGT (FT) 3900 6000
TRANSPORT WND (MPH) S 29 W 28
VENT RATE (MPH-FT) 117000 174000
VENT RATE CATEGORY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE UPPER 20S. NORTHWEST WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
MID 50S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTH WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. SOUTH WINDS AROUND 10 MPH.
ILZ011-180915-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY CLOUDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 40 90 10
MAX TEMP (24HR TREND) 80 (+9) 48
MIN RH % (24HR TREND) 50 (-13) 48
MIN TEMP (24HR TREND) 39 (-13) 32
MAX RH % (24HR TREND) 93 (-7) 76
20FT WIND AM (MPH) S 15-20 NW 15-20
20FT WIND PM (MPH) S 15-20 SW 15-20 W 15-20 W 7-11
PEAK WIND GUSTS (MPH) 32 28 27 24
PRECIP AMOUNT (IN) 0.10-0.25 0.50-0.75 0.00 0.00
11 AM MIXING HGT (FT) 1900 3700
MAX MIXING HGT (FT) 5400 5700
TRANSPORT WND (MPH) S 31 W 27
VENT RATE (MPH-FT) 167400 159600
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS
AROUND 50. NORTHWEST WINDS AROUND 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTH WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHEAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS 10 TO 15 MPH.
ILZ003-180915-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 50 90 10
MAX TEMP (24HR TREND) 80 (+6) 48
MIN RH % (24HR TREND) 50 (-5) 42
MIN TEMP (24HR TREND) 37 (-16) 30
MAX RH % (24HR TREND) 87 (-13) 74
20FT WIND AM (MPH) S 15-20 NW 15-20
20FT WIND PM (MPH) S 15-20 SW 10-15 W 15-20 W 6-11
PEAK WIND GUSTS (MPH) 33 28 27 24
PRECIP AMOUNT (IN) 0.25-0.50 0.50-0.75 0.00 0.00
11 AM MIXING HGT (FT) 1900 4100
MAX MIXING HGT (FT) 4400 6200
TRANSPORT WND (MPH) S 32 W 28
VENT RATE (MPH-FT) 140800 179800
VENT RATE CATEGORY VERY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS
AROUND 50. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
MID 50S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS AROUND
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ008-180915-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY MCLEAR CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 50 90 10
MAX TEMP (24HR TREND) 81 (+8) 48
MIN RH % (24HR TREND) 49 (-9) 43
MIN TEMP (24HR TREND) 38 (-15) 31
MAX RH % (24HR TREND) 86 (-11) 77
20FT WIND AM (MPH) S 15-20 NW 15-20
20FT WIND PM (MPH) S 15-20 SW 10-15 W 15-20 W 6-10
PEAK WIND GUSTS (MPH) 32 28 26 23
PRECIP AMOUNT (IN) 0.10-0.25 0.50-0.75 0.00 0.00
11 AM MIXING HGT (FT) 2100 4100
MAX MIXING HGT (FT) 5600 6100
TRANSPORT WND (MPH) S 35 W 27
VENT RATE (MPH-FT) 201600 170800
VENT RATE CATEGORY EXCELLENT VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS AROUND 30. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTH WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS AROUND
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ010-180915-
LEE-
INCLUDING THE CITY OF DIXON
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 50 90 10
MAX TEMP (24HR TREND) 81 (+9) 48
MIN RH % (24HR TREND) 50 (-11) 46
MIN TEMP (24HR TREND) 39 (-15) 32
MAX RH % (24HR TREND) 87 (-10) 77
20FT WIND AM (MPH) S 15-20 NW 15-20
20FT WIND PM (MPH) S 15-20 SW 10-15 W 15-20 NW 6-11
PEAK WIND GUSTS (MPH) 31 28 27 24
PRECIP AMOUNT (IN) 0.10-0.25 0.75-1.00 0.00 0.00
11 AM MIXING HGT (FT) 2200 4000
MAX MIXING HGT (FT) 5800 6000
TRANSPORT WND (MPH) S 35 W 28
VENT RATE (MPH-FT) 208800 174000
VENT RATE CATEGORY EXCELLENT VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE UPPER 40S. SOUTH WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 50S.
SOUTH WINDS AROUND 10 MPH.
ILZ019-180915-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 40 90 10
MAX TEMP (24HR TREND) 83 (+10) 49
MIN RH % (24HR TREND) 45 (-11) 46
MIN TEMP (24HR TREND) 41 (-13) 33
MAX RH % (24HR TREND) 91 (-5) 76
20FT WIND AM (MPH) S 15-20 NW 15-20
20FT WIND PM (MPH) S 15-20 SW 10-15 W 15-20 W 6-11
PEAK WIND GUSTS (MPH) 32 29 27 24
PRECIP AMOUNT (IN) 0.10-0.25 0.75-1.00 0.00 0.00
11 AM MIXING HGT (FT) 3000 3900
MAX MIXING HGT (FT) 6200 5500
TRANSPORT WND (MPH) S 33 W 27
VENT RATE (MPH-FT) 204600 154000
VENT RATE CATEGORY EXCELLENT VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS
10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. NOT AS COOL. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. 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
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. 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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ020-180915-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 30 100 10
MAX TEMP (24HR TREND) 82 (+9) 50
MIN RH % (24HR TREND) 48 (-15) 49
MIN TEMP (24HR TREND) 42 (-10) 33
MAX RH % (24HR TREND) 94 (-6) 78
20FT WIND AM (MPH) S 15-20 NW 10-15
20FT WIND PM (MPH) S 15-20 SW 10-15 W 10-15 W 6-11
PEAK WIND GUSTS (MPH) 30 28 26 24
PRECIP AMOUNT (IN) 0.01-0.05 0.75-1.00 0.00 0.00
11 AM MIXING HGT (FT) 2200 3700
MAX MIXING HGT (FT) 6000 5600
TRANSPORT WND (MPH) S 29 W 27
VENT RATE (MPH-FT) 180000 156800
VENT RATE CATEGORY EXCELLENT VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTH WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST
WINDS AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ021-180915-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 30 100 20
MAX TEMP (24HR TREND) 83 (+10) 51
MIN RH % (24HR TREND) 47 (-10) 49
MIN TEMP (24HR TREND) 43 (-9) 34
MAX RH % (24HR TREND) 94 (-4) 80
20FT WIND AM (MPH) S 15-20 NW 10-15
20FT WIND PM (MPH) S 15-20 SW 10-15 W 10-15 W 6-10
PEAK WIND GUSTS (MPH) 30 27 26 24
PRECIP AMOUNT (IN) 0.01-0.05 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2700 3700
MAX MIXING HGT (FT) 6000 5400
TRANSPORT WND (MPH) S 28 W 26
VENT RATE (MPH-FT) 174000 140400
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS AROUND 60.
SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COOL. LOWS IN THE UPPER
40S. SOUTH WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST
WINDS AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ022-180915-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 20 100 20
MAX TEMP (24HR TREND) 81 (+8) 51
MIN RH % (24HR TREND) 47 (-16) 49
MIN TEMP (24HR TREND) 44 (-8) 34
MAX RH % (24HR TREND) 95 (-5) 80
20FT WIND AM (MPH) S 15-20 NW 10-15
20FT WIND PM (MPH) S 15-20 S 10-15 W 10-15 W 6-10
PEAK WIND GUSTS (MPH) 30 28 26 24
PRECIP AMOUNT (IN) 0.01-0.05 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2200 3700
MAX MIXING HGT (FT) 5500 5400
TRANSPORT WND (MPH) S 28 W 26
VENT RATE (MPH-FT) 159500 140400
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. 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 MID 70S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ032-180915-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 30 100 20
MAX TEMP (24HR TREND) 83 (+8) 51
MIN RH % (24HR TREND) 47 (+1) 49
MIN TEMP (24HR TREND) 43 (-11) 34
MAX RH % (24HR TREND) 97 (+1) 82
20FT WIND AM (MPH) S 15-20 NW 15-20
20FT WIND PM (MPH) S 15-20 SW 15-20 NW 15-20 NW 6-11
PEAK WIND GUSTS (MPH) 31 29 27 23
PRECIP AMOUNT (IN) 0.01-0.05 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2800 3700
MAX MIXING HGT (FT) 5900 5300
TRANSPORT WND (MPH) S 31 NW 27
VENT RATE (MPH-FT) 182900 148400
VENT RATE CATEGORY EXCELLENT VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS AROUND 60.
SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COOL. LOWS IN THE UPPER
40S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST
WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ023-180915-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 20 90 20
MAX TEMP (24HR TREND) 81 (+9) 51
MIN RH % (24HR TREND) 48 (-10) 51
MIN TEMP (24HR TREND) 45 (-7) 34
MAX RH % (24HR TREND) 98 (-1) 81
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 S 10-15 W 10-15 NW 6-10
PEAK WIND GUSTS (MPH) 28 26 24 21
PRECIP AMOUNT (IN) 0.00 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2400 3400
MAX MIXING HGT (FT) 5200 5200
TRANSPORT WND (MPH) S 28 W 26
VENT RATE (MPH-FT) 150800 135200
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE LOWER 50S. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S.
SOUTH WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. 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. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ039-180915-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY CLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 20 90 30
MAX TEMP (24HR TREND) 82 (+6) 52
MIN RH % (24HR TREND) 48 (+6) 48
MIN TEMP (24HR TREND) 45 (-11) 34
MAX RH % (24HR TREND) 98 (+4) 80
20FT WIND AM (MPH) S 15-20 NW 15-20
20FT WIND PM (MPH) S 15-20 S 10-15 NW 15-20 NW 7-12
PEAK WIND GUSTS (MPH) 31 27 26 23
PRECIP AMOUNT (IN) 0.01-0.05 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2500 3300
MAX MIXING HGT (FT) 5200 5000
TRANSPORT WND (MPH) S 29 NW 26
VENT RATE (MPH-FT) 156000 130000
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND
15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS AROUND 60.
SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COOL. LOWS IN THE UPPER
40S. SOUTHEAST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST
WINDS AROUND 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 10 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
ILZ033-180915-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 20 90 30
MAX TEMP (24HR TREND) 82 (+7) 53
MIN RH % (24HR TREND) 46 (-2) 47
MIN TEMP (24HR TREND) 45 (-11) 34
MAX RH % (24HR TREND) 97 (+5) 79
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 S 10-15 NW 10-15 NW 5-9
PEAK WIND GUSTS (MPH) 28 26 24 20
PRECIP AMOUNT (IN) 0.00 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2400 3200
MAX MIXING HGT (FT) 4700 5100
TRANSPORT WND (MPH) S 27 NW 26
VENT RATE (MPH-FT) 131600 132600
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE MID 50S. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. 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. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
INZ010-180915-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 10 80 40 10
MAX TEMP (24HR TREND) 81 (+9) 52
MIN RH % (24HR TREND) 49 (-8) 51
MIN TEMP (24HR TREND) 46 (-6) 34
MAX RH % (24HR TREND) 99 (+1) 78
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 S 10-15 W 10-15 NW 6-9
PEAK WIND GUSTS (MPH) 25 25 23 19
PRECIP AMOUNT (IN) 0.00 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2400 2900
MAX MIXING HGT (FT) 4800 5100
TRANSPORT WND (MPH) S 26 W 26
VENT RATE (MPH-FT) 124800 132600
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE LOWER 50S. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. NORTH WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST
WINDS AROUND 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER
50S. SOUTH WINDS AROUND 10 MPH.
INZ011-180915-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
912 AM CDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 10 80 40 10
MAX TEMP (24HR TREND) 81 (+9) 53
MIN RH % (24HR TREND) 47 (-15) 52
MIN TEMP (24HR TREND) 47 (-5) 35
MAX RH % (24HR TREND) 99 (-1) 78
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 S 10-15 W 10-15 NW 6-10
PEAK WIND GUSTS (MPH) 25 25 23 19
PRECIP AMOUNT (IN) 0.00 1.00-1.50 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2300 2800
MAX MIXING HGT (FT) 5100 5100
TRANSPORT WND (MPH) S 26 W 26
VENT RATE (MPH-FT) 132600 132600
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
MOSTLY SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN
THE LOWER 50S. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST IN THE EVENING, THEN
WIDESPREAD FROST AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTH
WINDS AROUND 5 MPH.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE
MID 50S. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NOT AS COOL. LOWS IN THE MID 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. 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 MID 70S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER
50S. SOUTH WINDS AROUND 10 MPH.
INZ019-180915-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
1012 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT SAT NIGHT
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 10 90 40 10
MAX TEMP (24HR TREND) 80 (+6) 53
MIN RH % (24HR TREND) 49 (-3) 51
MIN TEMP (24HR TREND) 48 (-7) 35
MAX RH % (24HR TREND) 97 (+3) 77
20FT WIND AM (MPH) S 10-15 NW 10-15
20FT WIND PM (MPH) S 10-15 S 10-15 NW 10-15 NW 6-10
PEAK WIND GUSTS (MPH) 25 25 23 19
PRECIP AMOUNT (IN) 0.00 0.75-1.00 0.05-0.10 0.00
11 AM MIXING HGT (FT) 2200 2700
MAX MIXING HGT (FT) 4700 4800
TRANSPORT WND (MPH) S 25 NW 26
VENT RATE (MPH-FT) 117500 124800
VENT RATE CATEGORY VERY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
SUNDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE MID
50S. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS IN THE MID 30S. NORTH WINDS AROUND 5 MPH, BECOMING NORTHEAST
AFTER MIDNIGHT.
MONDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE
UPPER 50S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLEAR. NOT AS COOL. LOWS IN THE MID 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. WARMER. 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 MID 70S. SOUTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS AROUND
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER
50S. SOUTH WINDS AROUND 10 MPH.
KMD
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