695
FNUS53 KLOT 112009
FWFLOT
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
309 PM CDT WED MAR 11 2026
DISCUSSION
A STRONG LOW PRESSURE WILL MOVE ACROSS THE UPPER
MIDWEST AND NORTHERN GREAT LAKES THURSDAY NIGHT INTO FRIDAY WITH A
STRONG COLD FRONT MOVING ACROSS THE AREA FRIDAY MORNING.
SOUTHERLY WINDS MAY GUST AS HIGH AS 45 MPH THURSDAY NIGHT AND THEN
WESTERLY WINDS MAY GUST ABOVE 45 MPH ON FRIDAY, ESPECIALLY FRIDAY
MORNING JUST BEHIND THE COLD FRONT.
A NARROW BAND OF SNOW MAY DEVELOP SATURDAY MORNING ACROSS
NORTHERN ILLINOIS AND THEN ANOTHER STORM SYSTEM WILL MOVE ACROSS
THE AREA SUNDAY. THERE REMAINS UNCERTAINTY WITH THE TRACK OF THIS
SYSTEM. PERIODS OF RAIN ARE EXPECTED, ALONG WITH A CHANCE FOR
THUNDERSTORMS ON THE WARM SIDE OF THE SYSTEM ACROSS CENTRAL
ILLINOIS. THE RAIN MAY MIX WITH OR CHANGE TO SNOW ON THE COLD SIDE
OF THE SYSTEM, ACROSS NORTHERN ILLINOIS. WINDY CONDITIONS ARE
ALSO EXPECTED SUNDAY INTO SUNDAY NIGHT. MUCH COLDER AIR WILL
SPREAD ACROSS THE REGION FOR MONDAY AND TUESDAY NEXT WEEK.
ILZ014-120915-
COOK-
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,
LEMONT, ORLAND PARK, AND PARK FOREST
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLOUDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 10 50
MAX TEMP (24HR TREND) 46 (+8) 48
MIN RH % (24HR TREND) 42 (-44) 42
MIN TEMP (24HR TREND) 28 (-9) 38
MAX RH % (24HR TREND) 83 (-17) 69
20FT WIND AM (MPH) W 7-10 W 25-30
20FT WIND PM (MPH) NW 7-12 SW 7-10 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 26 19 47 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2500 4300
MAX MIXING HGT (FT) 4800 5300
TRANSPORT WND (MPH) SW 19 W 42
VENT RATE (MPH-FT) 96000 227900
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS IN
THE EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE MID 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
SNOW SHOWERS IN THE MORNING. RAIN SHOWERS. HIGHS AROUND
50. EAST WINDS 15 TO 20 MPH.
SUNDAY NIGHT
BREEZY, CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
COLDER. LOWS AROUND 19. WEST WINDS 20 TO 25 MPH.
MONDAY
MOSTLY CLOUDY. MUCH COLDER. HIGHS IN THE UPPER 20S.
NORTHWEST WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 11. NORTHWEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 30. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER 20S. SOUTH WINDS
AROUND 5 MPH.
ILZ006-120915-
LAKE IL-
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,
AND GURNEE
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLOUDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 10 60
MAX TEMP (24HR TREND) 45 (+9) 46
MIN RH % (24HR TREND) 44 (-42) 46
MIN TEMP (24HR TREND) 27 (-8) 36
MAX RH % (24HR TREND) 82 (-18) 74
20FT WIND AM (MPH) W 7-10 W 25-30
20FT WIND PM (MPH) NW 6-10 SW 7-10 S 25-30 W 25-30
PEAK WIND GUSTS (MPH) 24 18 46 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2400 4400
MAX MIXING HGT (FT) 4600 5900
TRANSPORT WND (MPH) SW 19 W 46
VENT RATE (MPH-FT) 92000 271400
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS AROUND 40. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT. LOWS
IN THE LOWER 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
RAIN AND SNOW SHOWERS. HIGHS IN THE LOWER 40S. EAST
WINDS 15 TO 20 MPH.
SUNDAY NIGHT
CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN THE
EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. COLDER.
LOWS AROUND 17. NORTHWEST WINDS AROUND 20 MPH.
MONDAY
MOSTLY CLOUDY. COLDER. HIGHS IN THE MID 20S. NORTHWEST
WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. COLDER. LOWS AROUND 6. NORTHWEST
WINDS AROUND 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 18. SOUTH WINDS AROUND
5 MPH.
INZ001-120915-
LAKE IN-
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLOUDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 20 10 40
MAX TEMP (24HR TREND) 46 (+5) 49
MIN RH % (24HR TREND) 46 (-42) 45
MIN TEMP (24HR TREND) 28 (-11) 38
MAX RH % (24HR TREND) 84 (-16) 66
20FT WIND AM (MPH) W 7-9 W 25-30
20FT WIND PM (MPH) NW 10-15 W 7-9 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 27 15 47 48
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2800 4200
MAX MIXING HGT (FT) 5100 5000
TRANSPORT WND (MPH) SW 18 SW 36
VENT RATE (MPH-FT) 91800 185000
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW AND RAIN SHOWERS.
LOWS IN THE MID 30S. EAST WINDS AROUND 10 MPH.
SUNDAY
SHOWERS. NOT AS COOL. HIGHS IN THE MID 50S. SOUTHEAST
WINDS AROUND 15 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN THE
EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. COLDER.
LOWS IN THE LOWER 20S. WEST WINDS AROUND 20 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE MORNING.
MUCH COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS 15 TO
20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 30. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS AROUND 5 MPH.
INZ002-120915-
PORTER-
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLOUDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 20 10 50
MAX TEMP (24HR TREND) 45 (+5) 49
MIN RH % (24HR TREND) 45 (-45) 45
MIN TEMP (24HR TREND) 28 (-8) 38
MAX RH % (24HR TREND) 88 (-12) 66
20FT WIND AM (MPH) W 7-9 W 25-30
20FT WIND PM (MPH) NW 10-15 W 7-9 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 29 15 46 46
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 3100 4100
MAX MIXING HGT (FT) 5000 5600
TRANSPORT WND (MPH) W 17 SW 36
VENT RATE (MPH-FT) 85000 207200
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS
AROUND 5 MPH.
SATURDAY NIGHT
CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN
THE EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE MID 30S. EAST WINDS AROUND 10 MPH.
SUNDAY
RAIN AND SNOW SHOWERS LIKELY IN THE MORNING, THEN
SHOWERS IN THE AFTERNOON. NOT AS COOL. HIGHS IN THE MID 50S. EAST
WINDS AROUND 15 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. SNOW AND RAIN SHOWERS LIKELY,
MAINLY IN THE EVENING. COLDER. LOWS IN THE LOWER 20S. WEST WINDS
AROUND 20 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE MORNING.
MUCH COLDER. HIGHS IN THE UPPER 20S. NORTHWEST WINDS 15 TO
20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 14. NORTHWEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS AROUND 5 MPH.
ILZ013-120915-
DUPAGE-
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,
LOMBARD, AND CAROL STREAM
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLOUDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 10 60
MAX TEMP (24HR TREND) 46 (+8) 47
MIN RH % (24HR TREND) 42 (-43) 43
MIN TEMP (24HR TREND) 28 (-9) 37
MAX RH % (24HR TREND) 83 (-17) 69
20FT WIND AM (MPH) W 7-10 W 25-30
20FT WIND PM (MPH) NW 7-12 SW 7-10 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 21 19 45 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2500 4300
MAX MIXING HGT (FT) 4600 5100
TRANSPORT WND (MPH) SW 19 W 40
VENT RATE (MPH-FT) 92000 204000
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN
THE EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
SNOW SHOWERS IN THE MORNING. RAIN SHOWERS. HIGHS AROUND
50. EAST WINDS AROUND 20 MPH.
SUNDAY NIGHT
BREEZY, CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
COLDER. LOWS AROUND 18. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
BREEZY. MOSTLY CLOUDY. MUCH COLDER. HIGHS IN THE MID
20S. NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 9. NORTHWEST WINDS
AROUND 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER 20S. SOUTH WINDS
AROUND 5 MPH.
ILZ012-120915-
KANE-
INCLUDING THE CITIES OF AURORA AND ELGIN
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLOUDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 10 60
MAX TEMP (24HR TREND) 46 (+10) 46
MIN RH % (24HR TREND) 45 (-42) 45
MIN TEMP (24HR TREND) 26 (-10) 36
MAX RH % (24HR TREND) 85 (-15) 75
20FT WIND AM (MPH) W 8-11 W 25-30
20FT WIND PM (MPH) NW 7-11 SW 8-11 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 23 20 46 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2600 4200
MAX MIXING HGT (FT) 4600 5200
TRANSPORT WND (MPH) SW 20 W 40
VENT RATE (MPH-FT) 96600 208000
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS IN
THE EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
SNOW SHOWERS IN THE MORNING. RAIN SHOWERS. HIGHS IN THE
UPPER 40S. EAST WINDS AROUND 20 MPH.
SUNDAY NIGHT
BREEZY, CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
COLDER. LOWS AROUND 16. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
BREEZY. MOSTLY CLOUDY. MUCH COLDER. HIGHS IN THE MID
20S. NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 6. NORTHWEST WINDS AROUND
10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 19. SOUTHEAST WINDS
AROUND 5 MPH.
ILZ005-120915-
MCHENRY-
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,
AND WOODSTOCK
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 10 70
MAX TEMP (24HR TREND) 45 (+10) 44
MIN RH % (24HR TREND) 46 (-39) 47
MIN TEMP (24HR TREND) 25 (-9) 35
MAX RH % (24HR TREND) 86 (-14) 78
20FT WIND AM (MPH) W 7-11 W 25-30
20FT WIND PM (MPH) NW 6-10 SW 7-11 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 21 20 46 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2300 4400
MAX MIXING HGT (FT) 4500 5700
TRANSPORT WND (MPH) SW 20 W 43
VENT RATE (MPH-FT) 94500 250800
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT. LOWS
AROUND 30. EAST WINDS 10 TO 15 MPH.
SUNDAY
RAIN AND SNOW SHOWERS. HIGHS IN THE LOWER 40S. EAST
WINDS AROUND 20 MPH.
SUNDAY NIGHT
BREEZY, CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
COLDER. LOWS AROUND 15. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
BREEZY. MOSTLY CLOUDY. COLDER. HIGHS IN THE MID 20S.
NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 3. NORTHWEST WINDS 5 TO
10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 16. SOUTHEAST WINDS
AROUND 5 MPH.
ILZ004-120915-
BOONE-
INCLUDING THE CITY OF BELVIDERE
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER CLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 10 70
MAX TEMP (24HR TREND) 45 (+9) 44
MIN RH % (24HR TREND) 43 (-36) 44
MIN TEMP (24HR TREND) 25 (-8) 34
MAX RH % (24HR TREND) 86 (-14) 79
20FT WIND AM (MPH) W 7-12 W 25-30
20FT WIND PM (MPH) NW 6-10 SW 7-12 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 20 20 45 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2100 4300
MAX MIXING HGT (FT) 4200 5500
TRANSPORT WND (MPH) SW 21 W 40
VENT RATE (MPH-FT) 92400 220000
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. SOUTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT. LOWS
AROUND 30. EAST WINDS 10 TO 15 MPH.
SUNDAY
RAIN AND SNOW SHOWERS. HIGHS IN THE LOWER 40S. EAST
WINDS AROUND 20 MPH.
SUNDAY NIGHT
BREEZY, CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
COLDER. LOWS AROUND 14. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
BREEZY. MOSTLY CLOUDY. COLDER. HIGHS IN THE MID 20S.
NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 1. NORTHWEST WINDS 5 TO
10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 16. SOUTHEAST WINDS
AROUND 5 MPH.
ILZ011-120915-
DE KALB-
INCLUDING THE CITIES OF DEKALB AND SYCAMORE
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 46 (+10) 45
MIN RH % (24HR TREND) 45 (-41) 43
MIN TEMP (24HR TREND) 26 (-9) 36
MAX RH % (24HR TREND) 85 (-15) 75
20FT WIND AM (MPH) W 8-12 W 25-30
20FT WIND PM (MPH) NW 7-11 SW 8-12 S 25-30 W 25-30
PEAK WIND GUSTS (MPH) 23 21 46 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2500 4100
MAX MIXING HGT (FT) 4700 5100
TRANSPORT WND (MPH) SW 21 W 37
VENT RATE (MPH-FT) 103400 193800
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS IN
THE EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
BREEZY. RAIN AND SNOW SHOWERS. HIGHS IN THE UPPER 40S.
EAST WINDS 20 TO 25 MPH.
SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY. RAIN AND SNOW SHOWERS
LIKELY IN THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. COLDER. LOWS AROUND 15. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
BREEZY. MOSTLY CLOUDY. MUCH COLDER. HIGHS IN THE MID
20S. NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. COLDER. LOWS AROUND 5. NORTHWEST WINDS AROUND
10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 19.
SOUTHEAST WINDS AROUND 5 MPH.
ILZ003-120915-
WINNEBAGO-
INCLUDING THE CITY OF ROCKFORD
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER CLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 70
MAX TEMP (24HR TREND) 45 (+8) 44
MIN RH % (24HR TREND) 41 (-34) 40
MIN TEMP (24HR TREND) 26 (-8) 35
MAX RH % (24HR TREND) 83 (-17) 78
20FT WIND AM (MPH) W 7-12 W 25-30
20FT WIND PM (MPH) NW 6-10 SW 7-12 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 21 23 45 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2200 4200
MAX MIXING HGT (FT) 4000 5400
TRANSPORT WND (MPH) SW 23 W 39
VENT RATE (MPH-FT) 92000 210600
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT. LOWS
IN THE LOWER 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
RAIN AND SNOW SHOWERS. HIGHS IN THE LOWER 40S. EAST
WINDS AROUND 20 MPH.
SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY. RAIN AND SNOW SHOWERS
LIKELY IN THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. COLDER. LOWS AROUND 15. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
MOSTLY CLOUDY. COLDER. HIGHS IN THE MID 20S. NORTHWEST
WINDS AROUND 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLDER. LOWS AROUND 2. NORTHWEST WINDS 5 TO
10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS AROUND 17.
SOUTHEAST WINDS AROUND 5 MPH.
ILZ008-120915-
OGLE-
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER CLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 60
MAX TEMP (24HR TREND) 46 (+9) 45
MIN RH % (24HR TREND) 41 (-36) 41
MIN TEMP (24HR TREND) 26 (-8) 35
MAX RH % (24HR TREND) 86 (-12) 75
20FT WIND AM (MPH) W 10-15 W 25-30
20FT WIND PM (MPH) NW 6-10 SW 10-15 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 21 24 45 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2300 4000
MAX MIXING HGT (FT) 4300 5000
TRANSPORT WND (MPH) SW 23 W 36
VENT RATE (MPH-FT) 98900 185000
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS IN
THE EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
RAIN AND SNOW SHOWERS. HIGHS IN THE MID 40S. EAST WINDS
AROUND 20 MPH.
SUNDAY NIGHT
BREEZY. A CHANCE OF RAIN SHOWERS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. COLDER. LOWS AROUND
14. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
MOSTLY CLOUDY. COLDER. HIGHS IN THE MID 20S. NORTHWEST
WINDS AROUND 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS AROUND 4. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 20S. WEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. NOT AS COLD. LOWS AROUND 19. SOUTHEAST WINDS AROUND
5 MPH.
ILZ010-120915-
LEE-
INCLUDING THE CITY OF DIXON
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER CLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 50
MAX TEMP (24HR TREND) 47 (+10) 46
MIN RH % (24HR TREND) 44 (-37) 42
MIN TEMP (24HR TREND) 26 (-9) 36
MAX RH % (24HR TREND) 86 (-14) 72
20FT WIND AM (MPH) W 10-15 W 25-30
20FT WIND PM (MPH) NW 7-11 SW 10-15 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 23 24 45 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2300 3800
MAX MIXING HGT (FT) 4400 4900
TRANSPORT WND (MPH) SW 23 W 35
VENT RATE (MPH-FT) 101200 176400
VENT RATE CATEGORY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN
THE EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
SNOW SHOWERS IN THE MORNING. RAIN SHOWERS. HIGHS IN THE
UPPER 40S. EAST WINDS AROUND 20 MPH.
SUNDAY NIGHT
BREEZY. A CHANCE OF RAIN SHOWERS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. COLDER. LOWS AROUND
15. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
MOSTLY CLOUDY. MUCH COLDER. HIGHS IN THE MID 20S.
NORTHWEST WINDS AROUND 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 6. NORTHWEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. NOT AS COLD. LOWS AROUND 20. SOUTHEAST WINDS 5 TO
10 MPH.
ILZ019-120915-
LA SALLE-
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,
AND MARSEILLES
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 40
MAX TEMP (24HR TREND) 48 (+10) 49
MIN RH % (24HR TREND) 42 (-42) 40
MIN TEMP (24HR TREND) 27 (-11) 37
MAX RH % (24HR TREND) 84 (-16) 67
20FT WIND AM (MPH) W 8-12 W 25-30
20FT WIND PM (MPH) NW 7-12 SW 8-12 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 24 23 43 47
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2500 4100
MAX MIXING HGT (FT) 5000 4900
TRANSPORT WND (MPH) SW 21 W 34
VENT RATE (MPH-FT) 110000 171500
VENT RATE CATEGORY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW AND RAIN SHOWERS.
LOWS IN THE MID 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
BREEZY. RAIN SHOWERS. HIGHS IN THE LOWER 50S. EAST
WINDS AROUND 20 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
BREEZY. A CHANCE OF RAIN SHOWERS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. COLDER. LOWS AROUND
17. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
BREEZY. MOSTLY CLOUDY. MUCH COLDER. HIGHS IN THE MID
20S. NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 9. NORTHWEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. NOT AS COLD. LOWS IN THE LOWER 20S. SOUTHEAST WINDS 5 TO
10 MPH.
ILZ020-120915-
KENDALL-
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLOUDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 50
MAX TEMP (24HR TREND) 47 (+8) 48
MIN RH % (24HR TREND) 46 (-39) 45
MIN TEMP (24HR TREND) 27 (-11) 37
MAX RH % (24HR TREND) 87 (-13) 70
20FT WIND AM (MPH) W 7-11 W 25-30
20FT WIND PM (MPH) NW 1-6 SW 7-11 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 23 20 45 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2600 4200
MAX MIXING HGT (FT) 5000 4900
TRANSPORT WND (MPH) SW 19 W 37
VENT RATE (MPH-FT) 100000 186200
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN
THE EVENING, THEN RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE MID 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
RAIN SHOWERS. HIGHS IN THE LOWER 50S. EAST WINDS AROUND
20 MPH.
SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY. RAIN AND SNOW SHOWERS
LIKELY IN THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. COLDER. LOWS AROUND 17. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
BREEZY. MOSTLY CLOUDY. MUCH COLDER. HIGHS IN THE MID
20S. NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 9. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 30. WEST WINDS AROUND 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER 20S. SOUTH WINDS
AROUND 5 MPH.
ILZ021-120915-
GRUNDY-
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 10 40
MAX TEMP (24HR TREND) 48 (+7) 49
MIN RH % (24HR TREND) 45 (-39) 44
MIN TEMP (24HR TREND) 28 (-12) 38
MAX RH % (24HR TREND) 87 (-12) 68
20FT WIND AM (MPH) W 7-11 W 25-30
20FT WIND PM (MPH) NW 1-6 SW 7-11 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 23 20 43 46
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2700 4200
MAX MIXING HGT (FT) 5400 4900
TRANSPORT WND (MPH) SW 19 W 35
VENT RATE (MPH-FT) 108000 176400
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW AND RAIN SHOWERS.
LOWS IN THE MID 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
SHOWERS. NOT AS COOL. HIGHS IN THE MID 50S. SOUTHEAST
WINDS AROUND 20 MPH.
SUNDAY NIGHT
BREEZY. A CHANCE OF RAIN SHOWERS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. COLDER. LOWS AROUND
18. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
BREEZY. PARTLY SUNNY. MUCH COLDER. HIGHS IN THE UPPER
20S. NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 10. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS AROUND 5 MPH.
ILZ022-120915-
WILL-
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLOUDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 10 40
MAX TEMP (24HR TREND) 47 (+5) 48
MIN RH % (24HR TREND) 45 (-42) 45
MIN TEMP (24HR TREND) 28 (-13) 38
MAX RH % (24HR TREND) 87 (-13) 69
20FT WIND AM (MPH) W 7-10 W 25-30
20FT WIND PM (MPH) NW 1-6 SW 7-10 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 23 19 45 49
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00
11 AM MIXING HGT (FT) 2600 4300
MAX MIXING HGT (FT) 5300 4900
TRANSPORT WND (MPH) SW 19 W 39
VENT RATE (MPH-FT) 106000 191100
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW AND RAIN SHOWERS.
LOWS IN THE MID 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
SHOWERS. NOT AS COOL. HIGHS IN THE MID 50S. SOUTHEAST
WINDS AROUND 20 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY. RAIN AND SNOW SHOWERS
LIKELY IN THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. COLDER. LOWS AROUND 19. NORTHWEST WINDS AROUND 25 MPH.
MONDAY
MOSTLY CLOUDY. MUCH COLDER. HIGHS IN THE MID 20S.
NORTHWEST WINDS AROUND 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 11. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 30. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS AROUND 5 MPH.
ILZ032-120915-
LIVINGSTON-
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 30
MAX TEMP (24HR TREND) 48 (+5) 51
MIN RH % (24HR TREND) 44 (-41) 42
MIN TEMP (24HR TREND) 27 (-13) 38
MAX RH % (24HR TREND) 88 (-7) 69
20FT WIND AM (MPH) W 8-12 W 25-30
20FT WIND PM (MPH) NW 10-15 SW 8-12 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 25 21 42 45
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2800 3900
MAX MIXING HGT (FT) 5400 4900
TRANSPORT WND (MPH) SW 20 W 33
VENT RATE (MPH-FT) 113400 161700
VENT RATE CATEGORY GOOD VERY GOOD
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE MID 40S. NORTHEAST WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
A CHANCE OF SNOW SHOWERS IN THE EVENING. CLOUDY
WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 30S. EAST WINDS 10 TO
15 MPH.
SUNDAY
BREEZY, SHOWERS. NOT AS COOL. HIGHS IN THE UPPER 50S.
SOUTH WINDS 20 TO 25 MPH.
SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW
SHOWERS IN THE EVENING. COLDER. LOWS AROUND 18. NORTHWEST WINDS
AROUND 25 MPH.
MONDAY
BREEZY. PARTLY SUNNY. MUCH COLDER. HIGHS IN THE UPPER
20S. NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 10. NORTHWEST WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS 5 TO 10 MPH.
ILZ023-120915-
KANKAKEE-
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 40
MAX TEMP (24HR TREND) 47 (-1) 49
MIN RH % (24HR TREND) 47 (-38) 45
MIN TEMP (24HR TREND) 27 (-17) 38
MAX RH % (24HR TREND) 88 (-12) 67
20FT WIND AM (MPH) W 7-10 W 25-30
20FT WIND PM (MPH) NW 10-15 SW 7-10 S 20-25 W 25-30
PEAK WIND GUSTS (MPH) 23 17 42 45
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 2800 4200
MAX MIXING HGT (FT) 5600 4900
TRANSPORT WND (MPH) SW 19 W 37
VENT RATE (MPH-FT) 112000 186200
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW SHOWERS. A CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S. EAST WINDS
AROUND 10 MPH.
SUNDAY
SHOWERS. NOT AS COOL. HIGHS IN THE MID 50S. SOUTHEAST
WINDS AROUND 15 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY. RAIN AND SNOW SHOWERS
LIKELY IN THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. COLDER. LOWS AROUND 19. WEST WINDS 20 TO 25 MPH.
MONDAY
PARTLY SUNNY. MUCH COLDER. HIGHS IN THE UPPER 20S.
NORTHWEST WINDS AROUND 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 11. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 30. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS AROUND 5 MPH.
ILZ039-120915-
FORD-
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 48 (-5) 51
MIN RH % (24HR TREND) 42 (-41) 39
MIN TEMP (24HR TREND) 26 (-16) 38
MAX RH % (24HR TREND) 86 (-12) 68
20FT WIND AM (MPH) W 8-12 W 20-25
20FT WIND PM (MPH) NW 10-15 SW 8-12 S 20-25 W 20-25
PEAK WIND GUSTS (MPH) 25 18 41 43
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 3600
MAX MIXING HGT (FT) 5600 5300
TRANSPORT WND (MPH) SW 19 SW 35
VENT RATE (MPH-FT) 112000 190800
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT.
LOWS IN THE UPPER 30S. EAST WINDS 10 TO 15 MPH.
SUNDAY
BREEZY. SHOWERS LIKELY IN THE MORNING, THEN SHOWERS IN
THE AFTERNOON. NOT AS COOL. HIGHS IN THE UPPER 50S. SOUTH WINDS
20 TO 25 MPH.
SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW
SHOWERS IN THE EVENING. COLDER. LOWS AROUND 18. WEST WINDS AROUND
25 MPH.
MONDAY
BREEZY. PARTLY SUNNY. MUCH COLDER. HIGHS IN THE UPPER
20S. NORTHWEST WINDS 20 TO 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 10. NORTHWEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. NOT AS COLD. LOWS IN THE LOWER
20S. SOUTH WINDS 5 TO 10 MPH.
ILZ033-120915-
IROQUOIS-
INCLUDING THE CITIES OF WATSEKA AND GILMAN
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 30
MAX TEMP (24HR TREND) 48 (-7) 51
MIN RH % (24HR TREND) 41 (-41) 40
MIN TEMP (24HR TREND) 26 (-19) 38
MAX RH % (24HR TREND) 85 (-14) 66
20FT WIND AM (MPH) W 6-9 W 20-25
20FT WIND PM (MPH) NW 10-15 W 6-9 S 20-25 W 20-25
PEAK WIND GUSTS (MPH) 24 17 40 42
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3200 3800
MAX MIXING HGT (FT) 5700 5200
TRANSPORT WND (MPH) SW 19 W 34
VENT RATE (MPH-FT) 114000 182000
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLOUDY. HIGHS IN THE MID 40S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT.
LOWS IN THE UPPER 30S. EAST WINDS AROUND 10 MPH.
SUNDAY
SHOWERS. NOT AS COOL. HIGHS IN THE UPPER 50S. SOUTH
WINDS AROUND 20 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
COLDER. LOWS AROUND 19. WEST WINDS AROUND 20 MPH.
MONDAY
PARTLY SUNNY. MUCH COLDER. HIGHS IN THE UPPER 20S.
NORTHWEST WINDS AROUND 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 11. NORTHWEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS AROUND 5 MPH.
INZ010-120915-
NEWTON-
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 30
MAX TEMP (24HR TREND) 46 (-8) 50
MIN RH % (24HR TREND) 45 (-41) 43
MIN TEMP (24HR TREND) 27 (-24) 39
MAX RH % (24HR TREND) 84 (-16) 65
20FT WIND AM (MPH) W 7-9 W 20-25
20FT WIND PM (MPH) NW 10-15 W 7-9 S 20-25 W 20-25
PEAK WIND GUSTS (MPH) 23 15 40 43
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 4000
MAX MIXING HGT (FT) 5600 5300
TRANSPORT WND (MPH) W 18 SW 37
VENT RATE (MPH-FT) 100800 201400
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW SHOWERS. A CHANCE
OF SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S. EAST WINDS AROUND
10 MPH.
SUNDAY
SHOWERS. NOT AS COOL. HIGHS IN THE UPPER 50S. SOUTH
WINDS 15 TO 20 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
COLDER. LOWS AROUND 20. WEST WINDS AROUND 20 MPH.
MONDAY
PARTLY SUNNY. MUCH COLDER. HIGHS IN THE UPPER 20S. WEST
WINDS 15 TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 12. NORTHWEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 30. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS AROUND 5 MPH.
INZ011-120915-
JASPER-
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE
309 PM CDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 30
MAX TEMP (24HR TREND) 46 (-8) 50
MIN RH % (24HR TREND) 46 (-43) 43
MIN TEMP (24HR TREND) 28 (-23) 39
MAX RH % (24HR TREND) 88 (-11) 65
20FT WIND AM (MPH) W 7-8 SW 20-25
20FT WIND PM (MPH) NW 10-15 W 7-8 S 20-25 W 20-25
PEAK WIND GUSTS (MPH) 24 15 40 43
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3100 4000
MAX MIXING HGT (FT) 5400 5500
TRANSPORT WND (MPH) W 17 SW 36
VENT RATE (MPH-FT) 91800 203500
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 40S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW SHOWERS. A CHANCE
OF SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S. EAST WINDS AROUND
10 MPH.
SUNDAY
SHOWERS. NOT AS COOL. HIGHS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 15 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. SNOW AND RAIN SHOWERS LIKELY,
MAINLY IN THE EVENING. COLDER. LOWS IN THE LOWER 20S. WEST WINDS
AROUND 20 MPH.
MONDAY
MOSTLY CLOUDY. MUCH COLDER. HIGHS IN THE UPPER 20S.
WEST WINDS 15 TO 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 30. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND
5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
INZ019-120915-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
409 PM EDT WED MAR 11 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 20
MAX TEMP (24HR TREND) 46 (-10) 51
MIN RH % (24HR TREND) 45 (-41) 42
MIN TEMP (24HR TREND) 27 (-27) 40
MAX RH % (24HR TREND) 85 (-14) 66
20FT WIND AM (MPH) W 6-9 SW 20-25
20FT WIND PM (MPH) NW 10-15 W 6-9 S 20-25 W 20-25
PEAK WIND GUSTS (MPH) 24 16 40 41
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00
11 AM MIXING HGT (FT) 3300 3700
MAX MIXING HGT (FT) 5600 5300
TRANSPORT WND (MPH) W 17 W 35
VENT RATE (MPH-FT) 95200 190800
VENT RATE CATEGORY GOOD EXCELLENT
FORECAST FOR DAYS 3 THROUGH 7
(WINDS ARE 20 FT LEVEL)
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT.
LOWS IN THE UPPER 30S. EAST WINDS AROUND 10 MPH.
SUNDAY
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS IN THE
AFTERNOON. NOT AS COOL. HIGHS AROUND 60. SOUTH WINDS 15 TO
20 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. RAIN AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
COLDER. LOWS IN THE LOWER 20S. WEST WINDS AROUND 20 MPH.
MONDAY
PARTLY SUNNY. MUCH COLDER. HIGHS IN THE UPPER 20S.
NORTHWEST WINDS AROUND 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 30. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS AROUND 5 MPH.
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