Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
396
FNUS53 KLOT 082101
FWFLOT
Fire Weather Planning Forecast For Northern IL and Northwest IN
National Weather Service Chicago/Romeoville IL
401 PM CDT Wed Oct 8 2025
.DISCUSSION...
High pressure will settle across the Great Lakes region tonight,
setting the stage for a cool night with light winds and mainly
clear skies. Lightest winds are expected to be across northwest
Indiana, where some frost is likely, though patchy frost will be
possible elsewhere away from the core of the Chicago area as well.
Dry and seasonable conditions are expected Thursday, before a
weak low pressure system drifts through the region late Friday
into early Saturday. Some spotty light rainfall is possible with
this system mainly across far northern Illinois. Dry and warmer
weather is expected early next week, with no significant organized
rainfall currently on the horizon.
ILZ014-090930-
Cook-
Including the cities of Chicago, Schaumburg, Evanston, Oak Lawn,
Lemont, Orland Park, and Park Forest
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 64 (+1) 68
Min RH % (24HR Trend) 39 (-15) 44
Min Temp (24HR Trend) 41 (-9) 43
Max RH % (24HR Trend) 90 (+6) 84
20FT Wind AM (MPH) SE 5-6 S 7-8
20FT Wind PM (MPH) Lgt/Var SE 5-6 Lgt/Var SW 7-8
Peak Wind Gusts (MPH) 15
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3200 1900
Max Mixing Hgt (FT) 3900 3200
Transport Wnd (MPH) SE 9 SW 18
Vent Rate (MPH-FT) 35100 57600
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows around 50. Southwest winds around 5 mph.
.SATURDAY...Sunny. Highs in the mid 60s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast
winds around 5 mph.
.SUNDAY...Sunny. Highs in the upper 60s. East winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. East winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
5 to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. East winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds around 5 mph.
$$
ILZ006-090930-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None showers
Chance Precip (%) 10
Max Temp (24HR Trend) 63 (0) 68
Min RH % (24HR Trend) 42 (-1) 49
Min Temp (24HR Trend) 39 (-6) 44
Max RH % (24HR Trend) 100 (+12) 84
20FT Wind AM (MPH) Lgt/Var S 9
20FT Wind PM (MPH) Lgt/Var SE 4-7 Lgt/Var SW 9
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3500 1700
Max Mixing Hgt (FT) 3900 2800
Transport Wnd (MPH) SE 10 SW 20
Vent Rate (MPH-FT) 39000 58800
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southwest
winds around 5 mph, becoming west after midnight.
.SATURDAY...Mostly sunny. Highs in the mid 60s. Northwest winds
around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the upper 60s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Southeast winds around
10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. East winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
around 5 mph.
$$
INZ001-090930-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 64 (+1) 68
Min RH % (24HR Trend) 39 (-15) 43
Min Temp (24HR Trend) 35 (-13) 38
Max RH % (24HR Trend) 99 (+6) 94
20FT Wind AM (MPH) SE 5 S 6
20FT Wind PM (MPH) Lgt/Var E 5 Lgt/Var SW 6
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2800 2000
Max Mixing Hgt (FT) 4100 3200
Transport Wnd (MPH) E 9 SW 16
Vent Rate (MPH-FT) 36900 51200
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s. Southwest winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 60s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Sunny. Highs in the upper 60s. East winds around 5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 5 mph, becoming east in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds around 5 mph.
$$
INZ002-090930-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 64 (+1) 67
Min RH % (24HR Trend) 39 (-6) 41
Min Temp (24HR Trend) 34 (-15) 38
Max RH % (24HR Trend) 100 (+10) 95
20FT Wind AM (MPH) SE 5 S 5-6
20FT Wind PM (MPH) Lgt/Var E 5 Lgt/Var SW 5-6
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3000 2000
Max Mixing Hgt (FT) 4000 3100
Transport Wnd (MPH) SE 9 SW 14
Vent Rate (MPH-FT) 36000 46500
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows around 50. Southwest winds around 5 mph.
.SATURDAY...Sunny. Highs in the mid 60s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. North winds
around 5 mph.
.SUNDAY...Sunny. Highs in the upper 60s. East winds around 5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 5 mph, becoming east in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds around 5 mph.
$$
ILZ013-090930-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 64 (-1) 68
Min RH % (24HR Trend) 39 (-10) 45
Min Temp (24HR Trend) 42 (-5) 42
Max RH % (24HR Trend) 90 (+3) 87
20FT Wind AM (MPH) Lgt/Var S 7-8
20FT Wind PM (MPH) Lgt/Var SE 4-6 Lgt/Var SW 7-8
Peak Wind Gusts (MPH) 15
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3100 1800
Max Mixing Hgt (FT) 3900 2800
Transport Wnd (MPH) SE 8 SW 18
Vent Rate (MPH-FT) 31200 50400
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southwest
winds around 5 mph, becoming west after midnight.
.SATURDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs around 70. East winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. East winds around 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. East winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
around 5 mph.
$$
ILZ012-090930-
Kane-
Including the cities of Aurora and Elgin
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 64 (-1) 68
Min RH % (24HR Trend) 39 (-2) 45
Min Temp (24HR Trend) 38 (-5) 41
Max RH % (24HR Trend) 98 (+8) 89
20FT Wind AM (MPH) Lgt/Var S 8-9
20FT Wind PM (MPH) Lgt/Var SE 4-6 Lgt/Var SW 8-9
Peak Wind Gusts (MPH) 15
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2900 1600
Max Mixing Hgt (FT) 3800 2600
Transport Wnd (MPH) SE 9 SW 19
Vent Rate (MPH-FT) 34200 52000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
in the mid 40s. Southwest winds around 5 mph, becoming west after
midnight.
.SATURDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds around
10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
around 5 mph.
$$
ILZ005-090930-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 64 (0) 68
Min RH % (24HR Trend) 40 (+7) 48
Min Temp (24HR Trend) 37 (-4) 43
Max RH % (24HR Trend) 100 (+11) 85
20FT Wind AM (MPH) Lgt/Var S 8-9
20FT Wind PM (MPH) Lgt/Var SE 4-6 Lgt/Var SW 8-9
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3200 1600
Max Mixing Hgt (FT) 3900 2700
Transport Wnd (MPH) SE 9 SW 20
Vent Rate (MPH-FT) 35100 56700
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. West winds
around 5 mph.
.SATURDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs around 70. East winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds around
10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. East winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ004-090930-
Boone-
Including the city of Belvidere
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10 10
Max Temp (24HR Trend) 64 (0) 68
Min RH % (24HR Trend) 38 (+8) 46
Min Temp (24HR Trend) 39 (-2) 43
Max RH % (24HR Trend) 100 (+10) 86
20FT Wind AM (MPH) Lgt/Var S 8-9
20FT Wind PM (MPH) Lgt/Var SE 4-6 Lgt/Var SW 8-9
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3000 1700
Max Mixing Hgt (FT) 3900 3100
Transport Wnd (MPH) SE 9 SW 20
Vent Rate (MPH-FT) 35100 65100
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southwest
winds around 5 mph, becoming northwest after midnight.
.SATURDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs around 70. Southeast winds 5 to
10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds around
10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. East winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ011-090930-
De Kalb-
Including the cities of DeKalb and Sycamore
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 65 (0) 69
Min RH % (24HR Trend) 36 (-2) 42
Min Temp (24HR Trend) 38 (-4) 41
Max RH % (24HR Trend) 100 (+9) 86
20FT Wind AM (MPH) SE 5-6 S 8-9
20FT Wind PM (MPH) Lgt/Var SE 5-6 Lgt/Var SW 8-9
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2700 1600
Max Mixing Hgt (FT) 3800 2800
Transport Wnd (MPH) SE 9 SW 19
Vent Rate (MPH-FT) 34200 56000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southwest
winds around 5 mph, becoming northwest after midnight.
.SATURDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds around
10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 50s. East winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ003-090930-
Winnebago-
Including the city of Rockford
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10 10
Max Temp (24HR Trend) 65 (+1) 69
Min RH % (24HR Trend) 34 (+5) 46
Min Temp (24HR Trend) 38 (-3) 43
Max RH % (24HR Trend) 98 (+8) 83
20FT Wind AM (MPH) Lgt/Var S 9-10
20FT Wind PM (MPH) Lgt/Var SE 4-7 SE 5-6 SW 9-10
Peak Wind Gusts (MPH) 17
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2900 1800
Max Mixing Hgt (FT) 4000 3600
Transport Wnd (MPH) SE 10 SW 19
Vent Rate (MPH-FT) 40000 72000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. Southwest
winds around 5 mph, becoming northwest after midnight.
.SATURDAY...Sunny. Highs in the upper 60s. North winds 5 to
10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. East winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Southeast
winds around 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 10 mph.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s. East winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ008-090930-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10 10
Max Temp (24HR Trend) 66 (+1) 70
Min RH % (24HR Trend) 31 (+2) 43
Min Temp (24HR Trend) 36 (-4) 43
Max RH % (24HR Trend) 100 (+9) 82
20FT Wind AM (MPH) Lgt/Var S 8
20FT Wind PM (MPH) Lgt/Var SE 4-6 Lgt/Var SW 8
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2700 1800
Max Mixing Hgt (FT) 4000 3200
Transport Wnd (MPH) SE 9 SW 19
Vent Rate (MPH-FT) 36000 64000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southwest
winds around 5 mph, becoming northwest after midnight.
.SATURDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Southeast
winds around 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 50s. East winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ010-090930-
Lee-
Including the city of Dixon
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 67 (0) 70
Min RH % (24HR Trend) 30 (-1) 42
Min Temp (24HR Trend) 37 (-4) 43
Max RH % (24HR Trend) 100 (+9) 82
20FT Wind AM (MPH) SE 5-6 S 7
20FT Wind PM (MPH) Lgt/Var SE 5-6 Lgt/Var SW 7
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2500 1700
Max Mixing Hgt (FT) 4000 3000
Transport Wnd (MPH) SE 9 SW 17
Vent Rate (MPH-FT) 36000 51000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southwest
winds around 5 mph, becoming northwest after midnight.
.SATURDAY...Sunny. Highs around 70. North winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Southeast
winds around 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 50s. East winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ019-090930-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 66 (-2) 70
Min RH % (24HR Trend) 32 (-4) 39
Min Temp (24HR Trend) 37 (-6) 41
Max RH % (24HR Trend) 98 (+6) 86
20FT Wind AM (MPH) Lgt/Var S 6-7
20FT Wind PM (MPH) Lgt/Var SE 4-6 Lgt/Var SW 6-7
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2700 1900
Max Mixing Hgt (FT) 3900 2700
Transport Wnd (MPH) SE 8 SW 17
Vent Rate (MPH-FT) 31200 45900
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southwest
winds around 5 mph.
.SATURDAY...Sunny. Highs around 70. North winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Southeast winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 50s. East winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ020-090930-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 65 (-2) 69
Min RH % (24HR Trend) 38 (-5) 43
Min Temp (24HR Trend) 37 (-7) 41
Max RH % (24HR Trend) 100 (+7) 91
20FT Wind AM (MPH) Lgt/Var S 6-7
20FT Wind PM (MPH) Lgt/Var SE 4-5 Lgt/Var SW 6-7
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2800 1900
Max Mixing Hgt (FT) 3900 2700
Transport Wnd (MPH) SE 8 SW 19
Vent Rate (MPH-FT) 31200 54000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
in the mid 40s. Southwest winds around 5 mph, becoming west after
midnight.
.SATURDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds 5 to
10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
around 5 mph.
$$
ILZ021-090930-
Grundy-
Including the cities of Morris, Coal City, and Minooka
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 66 (-1) 70
Min RH % (24HR Trend) 36 (-8) 42
Min Temp (24HR Trend) 37 (-8) 40
Max RH % (24HR Trend) 100 (+6) 92
20FT Wind AM (MPH) Lgt/Var S 6-7
20FT Wind PM (MPH) Lgt/Var SE 4-5 Lgt/Var SW 6-7
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2500 2000
Max Mixing Hgt (FT) 3900 2900
Transport Wnd (MPH) SE 8 SW 17
Vent Rate (MPH-FT) 31200 49300
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s. Southwest winds around
5 mph.
.SATURDAY...Sunny. Highs around 70. North winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds around
5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
around 5 mph.
$$
ILZ022-090930-
Will-
Including the cities of Joliet, Bolingbrook, and Wilmington
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 64 (0) 69
Min RH % (24HR Trend) 40 (-12) 43
Min Temp (24HR Trend) 37 (-9) 39
Max RH % (24HR Trend) 97 (+4) 93
20FT Wind AM (MPH) SE 5 S 6-7
20FT Wind PM (MPH) Lgt/Var SE 5 Lgt/Var SW 6-7
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2800 2000
Max Mixing Hgt (FT) 3900 2900
Transport Wnd (MPH) SE 9 SW 16
Vent Rate (MPH-FT) 35100 46400
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s. Southwest winds around
5 mph.
.SATURDAY...Sunny. Highs in the upper 60s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Sunny. Highs around 70. East winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. East winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. East winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
around 5 mph.
$$
ILZ032-090930-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 66 (-2) 71
Min RH % (24HR Trend) 33 (-3) 40
Min Temp (24HR Trend) 37 (-7) 38
Max RH % (24HR Trend) 94 (-4) 95
20FT Wind AM (MPH) E 5 S 6
20FT Wind PM (MPH) Lgt/Var SE 5 Lgt/Var SW 6
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2400 2000
Max Mixing Hgt (FT) 3900 3200
Transport Wnd (MPH) SE 6 SW 16
Vent Rate (MPH-FT) 27300 51200
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s. Southwest winds around
5 mph.
.SATURDAY...Sunny. Highs in the lower 70s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds around
5 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ023-090930-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 65 (0) 69
Min RH % (24HR Trend) 37 (-8) 40
Min Temp (24HR Trend) 36 (-9) 38
Max RH % (24HR Trend) 97 (+1) 96
20FT Wind AM (MPH) Lgt/Var S 5
20FT Wind PM (MPH) Lgt/Var Lgt/Var Lgt/Var SW 5
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2400 2000
Max Mixing Hgt (FT) 4000 3500
Transport Wnd (MPH) E 8 SW 16
Vent Rate (MPH-FT) 32000 56000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s. Southwest winds around
5 mph.
.SATURDAY...Sunny. Highs in the upper 60s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 70s. East winds around 5 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. East winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ039-090930-
Ford-
Including the cities of Paxton and Gibson City
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear clear mclear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 66 (-2) 71
Min RH % (24HR Trend) 32 (-1) 34
Min Temp (24HR Trend) 37 (-8) 38
Max RH % (24HR Trend) 91 (-7) 96
20FT Wind AM (MPH) E 5 S 5-6
20FT Wind PM (MPH) Lgt/Var E 5 Lgt/Var SW 5-6
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2600 2100
Max Mixing Hgt (FT) 4100 3300
Transport Wnd (MPH) E 6 SW 14
Vent Rate (MPH-FT) 28700 49500
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s. Southwest winds around
5 mph.
.SATURDAY...Sunny. Highs in the lower 70s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds around
5 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the upper 70s. East winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
ILZ033-090930-
Iroquois-
Including the cities of Watseka and Gilman
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear clear mclear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 66 (-2) 70
Min RH % (24HR Trend) 33 (0) 32
Min Temp (24HR Trend) 36 (-9) 37
Max RH % (24HR Trend) 92 (-6) 96
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2600 2200
Max Mixing Hgt (FT) 4100 3400
Transport Wnd (MPH) E 6 SW 14
Vent Rate (MPH-FT) 28700 51000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s. Southwest winds around
5 mph.
.SATURDAY...Sunny. Highs around 70. Northwest winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. Northeast
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 70s. East winds around 5 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. East winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
INZ010-090930-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear mclear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 64 (-2) 68
Min RH % (24HR Trend) 35 (-2) 35
Min Temp (24HR Trend) 34 (-10) 37
Max RH % (24HR Trend) 97 (-1) 95
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2900 2100
Max Mixing Hgt (FT) 4100 3400
Transport Wnd (MPH) E 8 SW 16
Vent Rate (MPH-FT) 32800 54400
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Southwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the upper 60s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. Northeast
winds around 5 mph.
.SUNDAY...Sunny. Highs around 70. East winds around 5 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 50. East winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
$$
INZ011-090930-
Jasper-
Including the cities of Rensselaer and DeMotte
401 PM CDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear mclear mclear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 64 (-1) 68
Min RH % (24HR Trend) 35 (-2) 37
Min Temp (24HR Trend) 34 (-10) 37
Max RH % (24HR Trend) 100 (+1) 96
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var E 4-5 Lgt/Var Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 3100 2100
Max Mixing Hgt (FT) 4100 3400
Transport Wnd (MPH) E 8 SW 16
Vent Rate (MPH-FT) 32800 54400
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Southwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the upper 60s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Sunny. Highs around 70. East winds around 5 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 50. East winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. East winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds around 5 mph.
$$
INZ019-090930-
Benton-
Including the cities of Fowler and Oxford
501 PM EDT Wed Oct 8 2025
Tonight Thu Thu Night Fri
Cloud Cover clear clear clear mclear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 65 (-2) 69
Min RH % (24HR Trend) 35 (+3) 33
Min Temp (24HR Trend) 35 (-10) 37
Max RH % (24HR Trend) 95 (-2) 96
20FT Wind AM (MPH) E 5 Lgt/Var
20FT Wind PM (MPH) Lgt/Var E 5 Lgt/Var Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2900 2100
Max Mixing Hgt (FT) 4100 3200
Transport Wnd (MPH) E 8 SW 14
Vent Rate (MPH-FT) 32800 48000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows around 50. Southwest winds around 5 mph.
.SATURDAY...Sunny. Highs in the upper 60s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds around 5 mph.
.SUNDAY...Sunny. Highs around 70. East winds around 5 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. East winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds around 5 mph.
$$
Ratzer