Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
283
FNUS53 KLOT 290832
FWFLOT
Fire Weather Planning Forecast For Northern IL and Northwest IN
National Weather Service Chicago/Romeoville IL
332 AM CDT Mon Sep 29 2025
.DISCUSSION...
Quiet weather conditions will continue this week; no precipitation
is expected. Temperatures today will range from the upper
80s/near 90 inland to the upper 70s/around 80 near the lake.
Afternoon RH values will fall into the 25 to 35 percent range away
from the lake.
Through Wednesday, onshore winds will continue to hold high
temperatures and mixing heights down near the lake, with lake
cooling on Thursday and Friday shifting to mainly the Illinois
shore.
ILZ014-292145-
Cook-
Including the cities of Chicago, Schaumburg, Evanston, Oak Lawn,
Lemont, Orland Park, and Park Forest
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 89 (+10) 82
Min RH % (24HR Trend) 31 (-13) 40
Min Temp (24HR Trend) 58 (-2) 57
Max RH % (24HR Trend) 97 (+8) 91
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) NE 2-5 Lgt/Var NE 4-8 NE 5-6
Peak Wind Gusts (MPH) 14
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2100 2700
Max Mixing Hgt (FT) 6200 4000
Transport Wnd (MPH) NE 4 NE 10
Vent Rate (MPH-FT) 31000 40000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the mid 70s. East winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. East winds around
5 mph, becoming south after midnight.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds
around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
around 5 mph.
$$
ILZ006-292145-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear mclear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 87 (+11) 81
Min RH % (24HR Trend) 35 (-14) 43
Min Temp (24HR Trend) 54 (-1) 55
Max RH % (24HR Trend) 100 (+3) 100
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) E 2-5 Lgt/Var NE 3-7 NE 5
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1800 2300
Max Mixing Hgt (FT) 5100 3400
Transport Wnd (MPH) E 5 NE 9
Vent Rate (MPH-FT) 30600 30600
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Mostly cloudy. Highs in the mid 70s. East winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. South winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds
around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
around 5 mph.
$$
INZ001-292145-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 87 (+6) 82
Min RH % (24HR Trend) 34 (-15) 39
Min Temp (24HR Trend) 56 (-1) 54
Max RH % (24HR Trend) 100 (+1) 92
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) NE 1-5 Lgt/Var NE 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2100 2700
Max Mixing Hgt (FT) 7300 4300
Transport Wnd (MPH) NE 5 NE 10
Vent Rate (MPH-FT) 43800 43000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the upper 70s. East winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
around 5 mph, becoming southeast after midnight.
.FRIDAY...Sunny. Highs in the lower 80s. South winds around
5 mph.
.FRIDAY NIGHT...Clear. Lows in the upper 50s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. South winds around
5 mph.
$$
INZ002-292145-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 86 (+5) 81
Min RH % (24HR Trend) 36 (-13) 38
Min Temp (24HR Trend) 56 (0) 54
Max RH % (24HR Trend) 95 (0) 93
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) NE 2-6 Lgt/Var NE 3-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1900 2800
Max Mixing Hgt (FT) 6600 4200
Transport Wnd (MPH) N 6 NE 10
Vent Rate (MPH-FT) 46200 42000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the upper 70s. East winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. East
winds around 5 mph.
.THURSDAY...Partly sunny. Highs in the upper 70s. East winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. South winds around
5 mph.
.FRIDAY NIGHT...Clear. Lows in the upper 50s. Southeast winds
around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. South winds around
5 mph.
$$
ILZ013-292145-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 89 (+7) 82
Min RH % (24HR Trend) 30 (-13) 37
Min Temp (24HR Trend) 58 (-1) 56
Max RH % (24HR Trend) 93 (+3) 91
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 4-8 NE 5-6
Peak Wind Gusts (MPH) 13
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2000 2800
Max Mixing Hgt (FT) 6500 4300
Transport Wnd (MPH) N 4 NE 10
Vent Rate (MPH-FT) 32500 43000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the upper 70s. East winds
5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East
winds around 5 mph.
.THURSDAY...Partly sunny in the morning then clearing. Highs
around 80. Southeast winds around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. East winds around
5 mph, becoming south after midnight.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows in the lower 60s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
around 5 mph.
$$
ILZ012-292145-
Kane-
Including the cities of Aurora and Elgin
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 89 (+7) 83
Min RH % (24HR Trend) 29 (-18) 38
Min Temp (24HR Trend) 55 (0) 55
Max RH % (24HR Trend) 97 (+1) 95
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1600 2600
Max Mixing Hgt (FT) 6600 4400
Transport Wnd (MPH) NW 4 NE 9
Vent Rate (MPH-FT) 33000 39600
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the upper 70s. East winds
5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows around 60. South winds around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. South winds around
5 mph.
$$
ILZ005-292145-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear mclear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 87 (+7) 82
Min RH % (24HR Trend) 31 (-13) 42
Min Temp (24HR Trend) 54 (+1) 54
Max RH % (24HR Trend) 98 (-1) 100
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var E 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1600 2100
Max Mixing Hgt (FT) 5700 3800
Transport Wnd (MPH) N 4 E 10
Vent Rate (MPH-FT) 28500 38000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the upper 70s. East winds
5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs around 80. Southeast winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds
around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. South winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. South winds around
5 mph.
$$
ILZ004-292145-
Boone-
Including the city of Belvidere
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear mclear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 88 (+7) 83
Min RH % (24HR Trend) 29 (-12) 40
Min Temp (24HR Trend) 56 (+2) 55
Max RH % (24HR Trend) 91 (-4) 98
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var E 2-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1500 1900
Max Mixing Hgt (FT) 6300 4000
Transport Wnd (MPH) NW 4 E 11
Vent Rate (MPH-FT) 31500 48000
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the upper 70s. East winds
5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds
around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. South winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
ILZ011-292145-
De Kalb-
Including the cities of DeKalb and Sycamore
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 89 (+5) 85
Min RH % (24HR Trend) 28 (-17) 36
Min Temp (24HR Trend) 55 (+2) 55
Max RH % (24HR Trend) 91 (-8) 90
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1600 2400
Max Mixing Hgt (FT) 7000 4500
Transport Wnd (MPH) N 3 NE 10
Vent Rate (MPH-FT) 21000 45000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs around 80. East winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows in the lower 60s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
ILZ003-292145-
Winnebago-
Including the city of Rockford
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear mclear pcldy pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 88 (+5) 84
Min RH % (24HR Trend) 27 (-12) 36
Min Temp (24HR Trend) 56 (+2) 56
Max RH % (24HR Trend) 91 (+1) 96
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1500 2100
Max Mixing Hgt (FT) 6600 4500
Transport Wnd (MPH) W 5 NE 10
Vent Rate (MPH-FT) 39600 45000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs around 80. East winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Sunny. Highs in the lower 80s. Southeast winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds
around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. South winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
ILZ008-292145-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 89 (+3) 86
Min RH % (24HR Trend) 26 (-11) 33
Min Temp (24HR Trend) 54 (0) 54
Max RH % (24HR Trend) 95 (+5) 97
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 2-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1800 2200
Max Mixing Hgt (FT) 6900 5000
Transport Wnd (MPH) W 5 NE 10
Vent Rate (MPH-FT) 41400 50000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the lower 80s. East winds
5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Sunny. Highs in the mid 80s. Southeast winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the upper 80s. South winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds
around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds
around 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
ILZ010-292145-
Lee-
Including the city of Dixon
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 90 (+3) 88
Min RH % (24HR Trend) 26 (-11) 32
Min Temp (24HR Trend) 54 (0) 54
Max RH % (24HR Trend) 95 (+5) 91
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 2-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1900 2400
Max Mixing Hgt (FT) 7100 5500
Transport Wnd (MPH) NW 4 NE 10
Vent Rate (MPH-FT) 35500 55000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the lower 80s. East winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Sunny. Highs in the mid 80s. Southeast winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the upper 80s. South winds around
5 mph.
.FRIDAY NIGHT...Clear. Lows in the lower 60s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the mid 80s. South winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
ILZ019-292145-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 89 (+1) 86
Min RH % (24HR Trend) 27 (-4) 33
Min Temp (24HR Trend) 56 (+1) 55
Max RH % (24HR Trend) 88 (-7) 83
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1600 2500
Max Mixing Hgt (FT) 7500 5200
Transport Wnd (MPH) NE 3 NE 12
Vent Rate (MPH-FT) 22500 67600
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the lower 80s. East winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows around 60. South winds around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
around 5 mph.
$$
ILZ020-292145-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear mclear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 89 (+3) 85
Min RH % (24HR Trend) 29 (-18) 35
Min Temp (24HR Trend) 54 (-1) 55
Max RH % (24HR Trend) 97 (-2) 89
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1600 2600
Max Mixing Hgt (FT) 6900 4600
Transport Wnd (MPH) N 4 NE 10
Vent Rate (MPH-FT) 34500 46000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the lower 80s. East winds
5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Southeast winds
around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows around 60. South winds around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
around 5 mph.
$$
ILZ021-292145-
Grundy-
Including the cities of Morris, Coal City, and Minooka
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 89 (+1) 85
Min RH % (24HR Trend) 28 (-9) 35
Min Temp (24HR Trend) 57 (+2) 55
Max RH % (24HR Trend) 91 (-6) 85
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1600 2600
Max Mixing Hgt (FT) 7400 4800
Transport Wnd (MPH) NE 3 NE 11
Vent Rate (MPH-FT) 22200 57600
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the lower 80s. East winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Mostly clear. Lows around 60. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds around 5 mph.
.SUNDAY...Sunny. Highs in the mid 80s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
around 5 mph.
$$
ILZ022-292145-
Will-
Including the cities of Joliet, Bolingbrook, and Wilmington
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 88 (+4) 84
Min RH % (24HR Trend) 30 (-15) 37
Min Temp (24HR Trend) 57 (0) 55
Max RH % (24HR Trend) 97 (-2) 88
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 4-8 Lgt/Var
Peak Wind Gusts (MPH) 14
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2200 2800
Max Mixing Hgt (FT) 7000 4500
Transport Wnd (MPH) N 4 NE 11
Vent Rate (MPH-FT) 35000 54000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs around 80. East winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Partly sunny in the morning then clearing. Highs in
the lower 80s. Southeast winds around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows around 60. South winds around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
around 5 mph.
$$
ILZ032-292145-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 90 (0) 86
Min RH % (24HR Trend) 26 (+5) 33
Min Temp (24HR Trend) 57 (0) 55
Max RH % (24HR Trend) 89 (-5) 79
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2000 2700
Max Mixing Hgt (FT) 7900 5000
Transport Wnd (MPH) NE 3 NE 12
Vent Rate (MPH-FT) 23700 65000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the mid 80s. East winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows in the upper 50s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY...Sunny. Highs in the mid 80s. South winds around 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. South winds around
5 mph.
$$
ILZ023-292145-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 88 (+1) 84
Min RH % (24HR Trend) 29 (-3) 35
Min Temp (24HR Trend) 56 (-1) 54
Max RH % (24HR Trend) 94 (-3) 88
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1800 2700
Max Mixing Hgt (FT) 7500 4600
Transport Wnd (MPH) NE 4 NE 11
Vent Rate (MPH-FT) 37500 55200
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs around 80. East winds around
5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. East
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows in the upper 50s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
ILZ039-292145-
Ford-
Including the cities of Paxton and Gibson City
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 90 (0) 86
Min RH % (24HR Trend) 25 (+3) 32
Min Temp (24HR Trend) 57 (-1) 54
Max RH % (24HR Trend) 87 (-3) 78
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 4-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2800 2900
Max Mixing Hgt (FT) 8200 4800
Transport Wnd (MPH) NE 4 NE 12
Vent Rate (MPH-FT) 41000 62400
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the lower 80s. East winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. East
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows in the upper 50s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds around
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds around
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
ILZ033-292145-
Iroquois-
Including the cities of Watseka and Gilman
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 89 (-1) 85
Min RH % (24HR Trend) 27 (+3) 31
Min Temp (24HR Trend) 56 (-1) 54
Max RH % (24HR Trend) 89 (-8) 81
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2000 2800
Max Mixing Hgt (FT) 7900 4900
Transport Wnd (MPH) NE 4 NE 12
Vent Rate (MPH-FT) 39500 63700
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the lower 80s. East winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. East
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. East winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast
winds around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the mid 80s. South winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows in the upper 50s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
INZ010-292145-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 87 (0) 83
Min RH % (24HR Trend) 30 (+1) 33
Min Temp (24HR Trend) 55 (-1) 54
Max RH % (24HR Trend) 95 (-5) 89
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2000 2800
Max Mixing Hgt (FT) 7700 4800
Transport Wnd (MPH) NE 5 NE 11
Vent Rate (MPH-FT) 46200 57600
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs around 80. East winds around
5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. East
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds
around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the lower 80s. South winds around
5 mph.
.FRIDAY NIGHT...Clear. Lows in the upper 50s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
INZ011-292145-
Jasper-
Including the cities of Rensselaer and DeMotte
332 AM CDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 87 (+1) 83
Min RH % (24HR Trend) 31 (-1) 33
Min Temp (24HR Trend) 55 (0) 54
Max RH % (24HR Trend) 96 (-4) 93
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2200 2800
Max Mixing Hgt (FT) 7600 4700
Transport Wnd (MPH) NE 5 NE 12
Vent Rate (MPH-FT) 45600 61100
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs in the upper 70s. East winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. East
winds around 5 mph.
.THURSDAY...Partly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds
around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the lower 80s. South winds around
5 mph.
.FRIDAY NIGHT...Clear. Lows in the upper 50s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$
INZ019-292145-
Benton-
Including the cities of Fowler and Oxford
432 AM EDT Mon Sep 29 2025
Today Tonight Tue Tue Night
Cloud Cover clear clear clear pcldy
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 88 (+1) 84
Min RH % (24HR Trend) 30 (+1) 31
Min Temp (24HR Trend) 56 (0) 54
Max RH % (24HR Trend) 88 (-12) 88
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) Lgt/Var Lgt/Var NE 3-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2300 2800
Max Mixing Hgt (FT) 7600 5000
Transport Wnd (MPH) NE 5 NE 12
Vent Rate (MPH-FT) 45600 65000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.WEDNESDAY...Partly sunny. Highs around 80. East winds around
5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. East
winds around 5 mph.
.THURSDAY...Partly sunny. Highs around 80. East winds around
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Light
winds.
.FRIDAY...Sunny. Highs in the lower 80s. Light winds, becoming
south around 5 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows in the upper 50s. South winds around
5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
$$