Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
843
FNUS53 KLOT 072035
FWFLOT
Fire Weather Planning Forecast For Northern IL and Northwest IN
National Weather Service Chicago/Romeoville IL
335 PM CDT Tue Oct 7 2025
.DISCUSSION...Mainly dry weather is expected through Sunday with
a chance of sprinkles near Lake Michigan Wednesday morning and
then a low chance of showers or sprinkles Friday as a week cold
front moves across the area. There will be increasing chances for
showers early next week.
Low temperatures outside of Chicago will drop into the middle to
upper 30s Wednesday night into Thursday morning, along with clear
skies and light winds, allowing for patchy frost.
High temperatures will warm back into the mid to upper 70s
starting Sunday and continuing through the middle of next week.
Southerly winds may gust as high as 25 mph on Sunday.
ILZ014-080930-
Cook-
Including the cities of Chicago, Schaumburg, Evanston, Oak Lawn,
Lemont, Orland Park, and Park Forest
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear pcldy clear clear
Precip Type None None None None
Chance Precip (%) 10 10
Max Temp (24HR Trend) 62 (-3) 64
Min RH % (24HR Trend) 53 (-14) 41
Min Temp (24HR Trend) 46 (-13) 42
Max RH % (24HR Trend) 83 (-15) 84
20FT Wind AM (MPH) N 8 N 5-6
20FT Wind PM (MPH) N 6-7 N 8 Lgt/Var N 5-6
Peak Wind Gusts (MPH) 18
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 4000 3100
Max Mixing Hgt (FT) 4500 4000
Transport Wnd (MPH) NE 10 SE 8
Vent Rate (MPH-FT) 45000 32000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. North winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. North winds
around 5 mph.
.SATURDAY...Mostly sunny. Highs around 70. North winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. North winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
around 10 mph.
.MONDAY...Partly sunny. Highs in the mid 70s. North winds around
10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows around 60. North winds around 5 mph.
$$
ILZ006-080930-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear mclear mclear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 61 (-4) 63
Min RH % (24HR Trend) 50 (-2) 45
Min Temp (24HR Trend) 41 (-15) 40
Max RH % (24HR Trend) 85 (-12) 95
20FT Wind AM (MPH) N 7-8 Lgt/Var
20FT Wind PM (MPH) N 6-7 N 7-8 Lgt/Var N 4-7
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3600 3400
Max Mixing Hgt (FT) 4500 4000
Transport Wnd (MPH) NE 9 SE 10
Vent Rate (MPH-FT) 40500 40000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. North winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 50. North winds around
5 mph.
.SATURDAY...Mostly sunny. Highs in the upper 60s. North winds
5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. North winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. North winds around 10 mph.
.MONDAY...Partly sunny. Highs in the lower 70s. North winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the upper 50s. North winds around 5 mph.
$$
INZ001-080930-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear mclear clear clear
Precip Type None None None None
Chance Precip (%) 10 10
Max Temp (24HR Trend) 61 (-3) 64
Min RH % (24HR Trend) 48 (-27) 43
Min Temp (24HR Trend) 46 (-16) 37
Max RH % (24HR Trend) 91 (-7) 89
20FT Wind AM (MPH) N 8-9 N 5
20FT Wind PM (MPH) N 6 N 8-9 N 5 N 5
Peak Wind Gusts (MPH) 18
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3500 2800
Max Mixing Hgt (FT) 4400 4200
Transport Wnd (MPH) NE 12 SE 8
Vent Rate (MPH-FT) 57200 33600
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows around 40. North winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light
winds, becoming north around 5 mph after midnight.
.SATURDAY...Sunny. Highs in the lower 70s. North winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 50. North winds
around 5 mph.
.SUNDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. North winds around
10 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. North winds around 5 mph.
$$
INZ002-080930-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 61 (-4) 63
Min RH % (24HR Trend) 45 (-26) 42
Min Temp (24HR Trend) 46 (-16) 37
Max RH % (24HR Trend) 89 (-7) 88
20FT Wind AM (MPH) N 9 N 5
20FT Wind PM (MPH) N 6 N 9 Lgt/Var N 5
Peak Wind Gusts (MPH) 17
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3200 2800
Max Mixing Hgt (FT) 4500 4100
Transport Wnd (MPH) N 12 SE 8
Vent Rate (MPH-FT) 58500 32800
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows around 40. North winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the mid 60s. North winds around
5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light
winds, becoming north around 5 mph after midnight.
.SATURDAY...Sunny. Highs in the lower 70s. North winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 50. North winds
around 5 mph.
.SUNDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. North winds around
10 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. North winds around 5 mph.
$$
ILZ013-080930-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear mclear clear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 63 (-3) 64
Min RH % (24HR Trend) 51 (-11) 40
Min Temp (24HR Trend) 45 (-13) 41
Max RH % (24HR Trend) 86 (-10) 88
20FT Wind AM (MPH) N 7 Lgt/Var
20FT Wind PM (MPH) N 5-6 N 7 Lgt/Var N 4-6
Peak Wind Gusts (MPH) 13
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3600 3000
Max Mixing Hgt (FT) 4600 4100
Transport Wnd (MPH) NE 9 SE 8
Vent Rate (MPH-FT) 41400 32800
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 50. North winds around
5 mph.
.SATURDAY...Mostly sunny. Highs in the lower 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. North winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
around 10 mph.
.MONDAY...Partly sunny. Highs in the mid 70s. North winds around
10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the upper 50s. North winds around 5 mph.
$$
ILZ012-080930-
Kane-
Including the cities of Aurora and Elgin
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear mclear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 63 (-3) 65
Min RH % (24HR Trend) 44 (-10) 39
Min Temp (24HR Trend) 41 (-15) 39
Max RH % (24HR Trend) 87 (-10) 94
20FT Wind AM (MPH) N 7 Lgt/Var
20FT Wind PM (MPH) N 5-6 N 7 Lgt/Var N 4-6
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2800 3000
Max Mixing Hgt (FT) 4600 4000
Transport Wnd (MPH) NE 8 SE 8
Vent Rate (MPH-FT) 36800 32000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds
around 5 mph.
.SATURDAY...Mostly sunny. Highs in the lower 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. North winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. North winds around 10 mph.
.MONDAY...Partly sunny. Highs in the mid 70s. North winds around
10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the upper 50s. North winds around 5 mph.
$$
ILZ005-080930-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 62 (-4) 64
Min RH % (24HR Trend) 41 (0) 41
Min Temp (24HR Trend) 39 (-16) 39
Max RH % (24HR Trend) 84 (-16) 98
20FT Wind AM (MPH) N 6 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 6 Lgt/Var N 4-6
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2800 3200
Max Mixing Hgt (FT) 4400 4100
Transport Wnd (MPH) NE 8 SE 10
Vent Rate (MPH-FT) 35200 41000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds
around 5 mph in the evening, becoming light.
.SATURDAY...Mostly sunny. Highs in the lower 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. North winds around
10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 50s. North winds
around 10 mph.
.MONDAY...Partly sunny. Highs in the mid 70s. North winds around
10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the upper 50s. North winds around 5 mph.
$$
ILZ004-080930-
Boone-
Including the city of Belvidere
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 62 (-4) 64
Min RH % (24HR Trend) 35 (-1) 37
Min Temp (24HR Trend) 38 (-16) 38
Max RH % (24HR Trend) 83 (-17) 100
20FT Wind AM (MPH) N 5-6 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 5-6 Lgt/Var N 4-6
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2700 3000
Max Mixing Hgt (FT) 4300 4200
Transport Wnd (MPH) NE 8 SE 10
Vent Rate (MPH-FT) 34400 42000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds
around 5 mph in the evening, becoming light.
.SATURDAY...Mostly sunny. Highs in the lower 70s. North winds
5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 50. North winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. North winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 50s. North winds
around 10 mph.
.MONDAY...Partly sunny. Highs in the mid 70s. North winds around
10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the mid 50s. North winds around 5 mph.
$$
ILZ011-080930-
De Kalb-
Including the cities of DeKalb and Sycamore
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 64 (-3) 65
Min RH % (24HR Trend) 37 (-13) 36
Min Temp (24HR Trend) 39 (-17) 38
Max RH % (24HR Trend) 89 (-10) 95
20FT Wind AM (MPH) N 6 N 5-6
20FT Wind PM (MPH) Lgt/Var N 6 Lgt/Var N 5-6
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2700 3000
Max Mixing Hgt (FT) 4500 4100
Transport Wnd (MPH) NE 8 SE 9
Vent Rate (MPH-FT) 36000 36900
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds
around 5 mph.
.SATURDAY...Mostly sunny. Highs in the lower 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. North winds 10 to
15 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. North winds around 10 mph.
.MONDAY...Partly sunny. Highs in the mid 70s. North winds around
10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the upper 50s. North winds around 5 mph.
$$
ILZ003-080930-
Winnebago-
Including the city of Rockford
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 63 (-4) 66
Min RH % (24HR Trend) 28 (-4) 33
Min Temp (24HR Trend) 38 (-16) 37
Max RH % (24HR Trend) 82 (-17) 100
20FT Wind AM (MPH) N 5-6 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 5-6 Lgt/Var N 4-7
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2600 3000
Max Mixing Hgt (FT) 4300 4300
Transport Wnd (MPH) NE 6 SE 10
Vent Rate (MPH-FT) 30100 43000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds
around 5 mph.
.SATURDAY...Mostly sunny. Highs in the lower 70s. North winds
5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 50. North winds 5 to
10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. North winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds
around 10 mph.
.MONDAY...Partly sunny. Highs in the mid 70s. North winds around
10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the mid 50s. North winds around 5 mph.
$$
ILZ008-080930-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 65 (-3) 67
Min RH % (24HR Trend) 26 (-9) 32
Min Temp (24HR Trend) 38 (-16) 37
Max RH % (24HR Trend) 87 (-12) 99
20FT Wind AM (MPH) N 5-6 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 5-6 Lgt/Var N 4-7
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2600 3000
Max Mixing Hgt (FT) 4300 4300
Transport Wnd (MPH) NE 8 SE 10
Vent Rate (MPH-FT) 34400 43000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds
around 5 mph.
.SATURDAY...Mostly sunny. Highs in the mid 70s. North winds 5 to
10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. North winds 10 to
15 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. North winds around 10 mph.
.MONDAY...Partly sunny. Highs in the upper 70s. North winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the upper 50s. North winds around 5 mph.
$$
ILZ010-080930-
Lee-
Including the city of Dixon
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 65 (-3) 68
Min RH % (24HR Trend) 28 (-17) 32
Min Temp (24HR Trend) 39 (-16) 38
Max RH % (24HR Trend) 87 (-11) 97
20FT Wind AM (MPH) N 5-6 N 5-6
20FT Wind PM (MPH) Lgt/Var N 5-6 Lgt/Var N 5-6
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2600 2800
Max Mixing Hgt (FT) 4400 4300
Transport Wnd (MPH) NE 8 SE 9
Vent Rate (MPH-FT) 35200 38700
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. North
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs around 70. North winds around
5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds
around 5 mph.
.SATURDAY...Mostly sunny. Highs in the mid 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. North winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. North winds around 10 mph.
.MONDAY...Partly sunny. Highs in the upper 70s. North winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the upper 50s. North winds around 5 mph.
$$
ILZ019-080930-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 65 (-2) 66
Min RH % (24HR Trend) 36 (-22) 34
Min Temp (24HR Trend) 41 (-17) 38
Max RH % (24HR Trend) 87 (-12) 92
20FT Wind AM (MPH) N 6-7 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 6-7 Lgt/Var N 4-5
Peak Wind Gusts (MPH) 13
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3000 2600
Max Mixing Hgt (FT) 4700 4200
Transport Wnd (MPH) NE 9 SE 9
Vent Rate (MPH-FT) 42300 37800
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows around 40. North winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 50. North winds around
5 mph.
.SATURDAY...Mostly sunny. Highs in the mid 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. North winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. North winds around 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds
around 5 mph.
$$
ILZ020-080930-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear mclear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 64 (-3) 65
Min RH % (24HR Trend) 45 (-17) 39
Min Temp (24HR Trend) 43 (-15) 38
Max RH % (24HR Trend) 88 (-10) 91
20FT Wind AM (MPH) N 7-8 Lgt/Var
20FT Wind PM (MPH) N 5 N 7-8 Lgt/Var N 4-6
Peak Wind Gusts (MPH) 13
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3200 2600
Max Mixing Hgt (FT) 4600 4000
Transport Wnd (MPH) NE 9 SE 8
Vent Rate (MPH-FT) 41400 32000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows around 40. North winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 50. North winds around
5 mph.
.SATURDAY...Mostly sunny. Highs in the mid 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. North winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. North winds around 10 mph.
.MONDAY...Partly sunny. Highs in the upper 70s. North winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds
around 5 mph.
$$
ILZ021-080930-
Grundy-
Including the cities of Morris, Coal City, and Minooka
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 65 (-1) 66
Min RH % (24HR Trend) 47 (-21) 39
Min Temp (24HR Trend) 43 (-17) 38
Max RH % (24HR Trend) 87 (-12) 90
20FT Wind AM (MPH) N 6-8 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 6-8 Lgt/Var N 4-5
Peak Wind Gusts (MPH) 13
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3500 2500
Max Mixing Hgt (FT) 4700 4000
Transport Wnd (MPH) NE 10 SE 8
Vent Rate (MPH-FT) 47000 32000
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs around 70. North winds around
5 mph.
.FRIDAY NIGHT...Partly cloudy. Warmer. Lows around 50. North
winds around 5 mph in the evening, becoming light.
.SATURDAY...Mostly sunny. Highs in the mid 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. North winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. North winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds
around 5 mph.
$$
ILZ022-080930-
Will-
Including the cities of Joliet, Bolingbrook, and Wilmington
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear mclear clear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 64 (-1) 65
Min RH % (24HR Trend) 51 (-20) 42
Min Temp (24HR Trend) 45 (-15) 38
Max RH % (24HR Trend) 90 (-9) 91
20FT Wind AM (MPH) N 7-8 N 5
20FT Wind PM (MPH) N 5 N 7-8 Lgt/Var N 5
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3600 2700
Max Mixing Hgt (FT) 4300 4000
Transport Wnd (MPH) NE 10 SE 8
Vent Rate (MPH-FT) 43000 32000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows around 40. North winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds
around 5 mph.
.SATURDAY...Mostly sunny. Highs in the lower 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. North winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
around 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds
around 5 mph.
$$
ILZ032-080930-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 66 (0) 67
Min RH % (24HR Trend) 42 (-32) 37
Min Temp (24HR Trend) 42 (-19) 36
Max RH % (24HR Trend) 91 (-5) 92
20FT Wind AM (MPH) N 6-8 N 5
20FT Wind PM (MPH) N 5 N 6-8 N 5-6 N 5
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3400 2400
Max Mixing Hgt (FT) 4700 4100
Transport Wnd (MPH) NE 11 SE 9
Vent Rate (MPH-FT) 56400 36900
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North
winds around 5 mph.
.FRIDAY...Sunny. Highs around 70. North winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Not as cool. Lows in the upper
40s. North winds around 5 mph.
.SATURDAY...Mostly sunny. Highs in the mid 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 50. North winds
around 5 mph.
.SUNDAY...Sunny. Highs in the upper 70s. North winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
around 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds
around 5 mph.
$$
ILZ023-080930-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 64 (-1) 65
Min RH % (24HR Trend) 46 (-31) 39
Min Temp (24HR Trend) 44 (-18) 37
Max RH % (24HR Trend) 90 (-6) 91
20FT Wind AM (MPH) N 6-9 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 6-9 Lgt/Var Lgt/Var
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3500 2600
Max Mixing Hgt (FT) 4400 4100
Transport Wnd (MPH) N 11 SE 8
Vent Rate (MPH-FT) 52800 32800
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North
winds around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light
winds.
.SATURDAY...Mostly sunny. Highs in the lower 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 50. North winds
around 5 mph.
.SUNDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds
around 5 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds
around 5 mph.
$$
ILZ039-080930-
Ford-
Including the cities of Paxton and Gibson City
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 66 (0) 66
Min RH % (24HR Trend) 38 (-42) 35
Min Temp (24HR Trend) 43 (-20) 36
Max RH % (24HR Trend) 87 (-5) 91
20FT Wind AM (MPH) N 7-9 N 5-6
20FT Wind PM (MPH) N 5-6 N 7-9 N 5-7 N 5-6
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3900 2500
Max Mixing Hgt (FT) 4800 4100
Transport Wnd (MPH) N 12 E 8
Vent Rate (MPH-FT) 62400 32800
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North
winds around 5 mph.
.FRIDAY...Sunny. Highs around 70. North winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Not as cool. Lows in the upper
40s. North winds around 5 mph.
.SATURDAY...Mostly sunny. Highs in the mid 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. North
winds around 5 mph.
.SUNDAY...Sunny. Highs in the upper 70s. North winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds
around 10 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. North winds around 5 mph.
$$
ILZ033-080930-
Iroquois-
Including the cities of Watseka and Gilman
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 65 (-2) 66
Min RH % (24HR Trend) 38 (-39) 34
Min Temp (24HR Trend) 44 (-19) 36
Max RH % (24HR Trend) 88 (-4) 91
20FT Wind AM (MPH) N 6-9 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 6-9 Lgt/Var Lgt/Var
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 4000 2700
Max Mixing Hgt (FT) 4900 4200
Transport Wnd (MPH) N 12 E 9
Vent Rate (MPH-FT) 63700 37800
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North
winds around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the upper 60s. Light winds.
.FRIDAY NIGHT...Partly cloudy. Not as cool. Lows in the upper
40s. Light winds.
.SATURDAY...Mostly sunny. Highs in the mid 70s. North winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. North
winds around 5 mph.
.SUNDAY...Sunny. Highs in the upper 70s. North winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. North winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. North winds around 5 mph.
$$
INZ010-080930-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 64 (-2) 64
Min RH % (24HR Trend) 39 (-37) 37
Min Temp (24HR Trend) 45 (-18) 36
Max RH % (24HR Trend) 90 (-8) 91
20FT Wind AM (MPH) N 7-9 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 7-9 Lgt/Var Lgt/Var
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3500 2800
Max Mixing Hgt (FT) 4800 4200
Transport Wnd (MPH) N 12 E 9
Vent Rate (MPH-FT) 62400 37800
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North
winds around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the upper 60s. Light winds.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Not as cool. Lows in the upper 40s. Light winds.
.SATURDAY...Sunny. Highs in the lower 70s. North winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. North
winds around 5 mph.
.SUNDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. North winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. North winds around
5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. North winds around 5 mph.
$$
INZ011-080930-
Jasper-
Including the cities of Rensselaer and DeMotte
335 PM CDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 64 (-2) 64
Min RH % (24HR Trend) 38 (-38) 39
Min Temp (24HR Trend) 45 (-18) 36
Max RH % (24HR Trend) 92 (-6) 90
20FT Wind AM (MPH) N 8-9 Lgt/Var
20FT Wind PM (MPH) Lgt/Var N 8-9 Lgt/Var Lgt/Var
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3300 2900
Max Mixing Hgt (FT) 4700 4200
Transport Wnd (MPH) N 13 E 9
Vent Rate (MPH-FT) 65800 37800
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North
winds around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the upper 60s. Light winds.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 40s. Light winds.
.SATURDAY...Sunny. Highs in the lower 70s. North winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. North
winds around 5 mph.
.SUNDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. North winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. North winds around
5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. North winds around 5 mph.
$$
INZ019-080930-
Benton-
Including the cities of Fowler and Oxford
435 PM EDT Tue Oct 7 2025
Tonight Wed Wed Night Thu
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 65 (-3) 64
Min RH % (24HR Trend) 36 (-40) 36
Min Temp (24HR Trend) 45 (-20) 37
Max RH % (24HR Trend) 89 (-8) 89
20FT Wind AM (MPH) N 7-9 N 5
20FT Wind PM (MPH) Lgt/Var N 7-9 N 5-6 N 5
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 4000 2900
Max Mixing Hgt (FT) 4900 4100
Transport Wnd (MPH) N 12 E 9
Vent Rate (MPH-FT) 63700 36900
Vent Rate Category fair poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North
winds around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the upper 60s. Light winds.
.FRIDAY NIGHT...Partly cloudy. Not as cool. Lows in the upper
40s. Light winds.
.SATURDAY...Sunny. Highs in the lower 70s. North winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. North
winds around 5 mph.
.SUNDAY...Sunny. Highs in the mid 70s. North winds around 5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. North winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. North winds around 5 mph.
$$