Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
131
FNUS53 KLOT 030843
FWFLOT
Fire Weather Planning Forecast For Northern IL and Northwest IN
National Weather Service Chicago/Romeoville IL
343 AM CDT Sat Oct 3 2026
.DISCUSSION...
Persistent high pressure across the region will maintain dry and
seasonable conditions well into next week and potentially through
all of next week. While a few showers cannot be ruled out late
tonight and again mid to late week, widespread rain is not
expected through the period. Afternoon minimum RH values generally
in the 40s today and Sunday will lower into the 30s to low 40s
through the upcoming week.
ILZ014-032115-
Cook-
Including the cities of Chicago, Schaumburg, Evanston, Oak Lawn,
Lemont, Orland Park, and Park Forest
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear mclear mclear mclear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 67 (+2) 72
Min RH % (24HR Trend) 44 (-3) 53
Min Temp (24HR Trend) 46 (-2) 45
Max RH % (24HR Trend) 95 (+3) 86
20FT Wind AM (MPH) SE 5-7 W 6-9
20FT Wind PM (MPH) SE 5-7 Lgt/Var NW 6-9 NW 5-6
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2700 2100
Max Mixing Hgt (FT) 3600 3800
Transport Wnd (MPH) SE 9 NW 12
Vent Rate (MPH-FT) 32400 49400
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. North winds around 5 mph.
.MONDAY NIGHT...Clear. Lows in the mid 40s. Northeast winds
around 5 mph in the evening, becoming light.
.TUESDAY...Sunny. Highs in the upper 60s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
around 5 mph.
.WEDNESDAY...Sunny. Highs in the lower 70s. Southwest winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. West
winds around 5 mph.
.THURSDAY...Sunny. Highs in the lower 70s. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southwest
winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 70s. West winds around 5 mph,
becoming north in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
around 5 mph, becoming south after midnight.
$$
ILZ006-032115-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear pcldy pcldy clear
Precip Type None showers None None
Chance Precip (%) 20
Max Temp (24HR Trend) 67 (+2) 70
Min RH % (24HR Trend) 45 (-3) 55
Min Temp (24HR Trend) 46 (+1) 42
Max RH % (24HR Trend) 99 (0) 91
20FT Wind AM (MPH) SE 6-8 W 7-9
20FT Wind PM (MPH) SE 6-8 Lgt/Var NW 7-9 Lgt/Var
Peak Wind Gusts (MPH) 15 17
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2900 2100
Max Mixing Hgt (FT) 3300 3500
Transport Wnd (MPH) SE 10 NW 14
Vent Rate (MPH-FT) 33000 52500
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. North winds around 5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
around 5 mph.
.WEDNESDAY...Sunny. Highs in the lower 70s. Southwest winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West
winds around 5 mph.
.THURSDAY...Mostly sunny. Highs around 70. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light
winds.
.FRIDAY...Sunny. Highs in the upper 60s. Northwest winds around
5 mph, becoming northeast in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast
winds around 5 mph.
$$
INZ001-032115-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear mclear mclear mclear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 68 (+3) 73
Min RH % (24HR Trend) 46 (-5) 54
Min Temp (24HR Trend) 43 (-1) 45
Max RH % (24HR Trend) 100 (+3) 98
20FT Wind AM (MPH) E 5-6 Lgt/Var
20FT Wind PM (MPH) SE 5-6 Lgt/Var NW 4-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2400 1900
Max Mixing Hgt (FT) 3600 3600
Transport Wnd (MPH) SE 9 NW 11
Vent Rate (MPH-FT) 32400 43200
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. North winds around 5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. South winds around
5 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
around 5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50. Southwest winds
around 5 mph in the evening, becoming light.
.THURSDAY...Sunny. Highs in the lower 70s. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light
winds, becoming west around 5 mph after midnight.
.FRIDAY...Sunny. Highs in the lower 70s. West winds around 5 mph,
becoming north in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds
around 5 mph, becoming south after midnight.
$$
INZ002-032115-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear mclear mclear mclear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 68 (+3) 73
Min RH % (24HR Trend) 47 (-5) 53
Min Temp (24HR Trend) 43 (-1) 46
Max RH % (24HR Trend) 100 (+3) 99
20FT Wind AM (MPH) E 5-6 Lgt/Var
20FT Wind PM (MPH) SE 5-6 Lgt/Var NW 4-7 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2500 1800
Max Mixing Hgt (FT) 3600 3400
Transport Wnd (MPH) SE 10 NW 12
Vent Rate (MPH-FT) 36000 44200
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. North winds around 5 mph.
.MONDAY NIGHT...Clear. Lows around 40. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. Southeast winds around
5 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
around 5 mph.
.WEDNESDAY...Sunny. Highs in the lower 70s. Southwest winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50. West winds
around 5 mph.
.THURSDAY...Sunny. Highs in the lower 70s. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light
winds, becoming southwest around 5 mph after midnight.
.FRIDAY...Sunny. Highs in the lower 70s. Northwest winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds
around 5 mph, becoming south after midnight.
$$
ILZ013-032115-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear mclear mclear mclear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 68 (+2) 71
Min RH % (24HR Trend) 44 (-1) 54
Min Temp (24HR Trend) 47 (+1) 44
Max RH % (24HR Trend) 96 (-1) 86
20FT Wind AM (MPH) E 5-7 W 6-9
20FT Wind PM (MPH) SE 5-7 Lgt/Var NW 6-9 Lgt/Var
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2700 2000
Max Mixing Hgt (FT) 3500 3600
Transport Wnd (MPH) S 9 NW 13
Vent Rate (MPH-FT) 31500 50400
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. North winds around 5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows around 50. South winds around
10 mph.
.WEDNESDAY...Sunny. Highs in the lower 70s. Southwest winds
around 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50. West winds
around 5 mph.
.THURSDAY...Sunny. Highs in the lower 70s. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. West
winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 70s. North winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
around 5 mph, becoming south after midnight.
$$
ILZ012-032115-
Kane-
Including the cities of Aurora and Elgin
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear mclear mclear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 67 (+2) 71
Min RH % (24HR Trend) 48 (+7) 53
Min Temp (24HR Trend) 45 (+2) 42
Max RH % (24HR Trend) 99 (-1) 92
20FT Wind AM (MPH) E 5-7 W 6-9
20FT Wind PM (MPH) SE 5-7 Lgt/Var NW 6-9 Lgt/Var
Peak Wind Gusts (MPH) 17
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2500 1900
Max Mixing Hgt (FT) 3200 3200
Transport Wnd (MPH) S 10 NW 14
Vent Rate (MPH-FT) 32000 48000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. North winds around 5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
around 5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West
winds around 5 mph.
.THURSDAY...Sunny. Highs in the lower 70s. West winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. West
winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 70s. Northwest winds around
5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast
winds around 5 mph.
$$
ILZ005-032115-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear pcldy mclear clear
Precip Type None None None None
Chance Precip (%) 20
Max Temp (24HR Trend) 67 (+1) 70
Min RH % (24HR Trend) 47 (+10) 55
Min Temp (24HR Trend) 46 (+4) 41
Max RH % (24HR Trend) 97 (-3) 94
20FT Wind AM (MPH) SE 5-7 W 6-9
20FT Wind PM (MPH) S 5-7 Lgt/Var NW 6-9 Lgt/Var
Peak Wind Gusts (MPH) 17
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2700 2000
Max Mixing Hgt (FT) 3200 3300
Transport Wnd (MPH) S 11 NW 16
Vent Rate (MPH-FT) 38400 52800
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. Northwest winds around
5 mph.
.MONDAY NIGHT...Clear. Lows around 40. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
around 5 mph.
.WEDNESDAY...Sunny. Highs in the lower 70s. Southwest winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light
winds.
.THURSDAY...Mostly sunny. Highs in the lower 70s. West winds
around 5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light
winds.
.FRIDAY...Sunny. Highs around 70. Northwest winds around 5 mph,
becoming southeast in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast
winds around 5 mph.
$$
ILZ004-032115-
Boone-
Including the city of Belvidere
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear pcldy mclear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 67 (+1) 69
Min RH % (24HR Trend) 47 (+12) 53
Min Temp (24HR Trend) 45 (+3) 40
Max RH % (24HR Trend) 97 (-3) 97
20FT Wind AM (MPH) SE 5-7 W 6-9
20FT Wind PM (MPH) S 5-7 Lgt/Var NW 6-9 Lgt/Var
Peak Wind Gusts (MPH) 17
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2300 2000
Max Mixing Hgt (FT) 3200 3400
Transport Wnd (MPH) S 12 NW 16
Vent Rate (MPH-FT) 41600 54400
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. Light winds, becoming
north around 5 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows around 40. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the lower 70s. West winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light
winds.
.THURSDAY...Mostly sunny. Highs in the lower 70s. West winds
around 5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light
winds.
.FRIDAY...Sunny. Highs in the lower 70s. North winds around
5 mph, becoming south in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
around 5 mph.
$$
ILZ011-032115-
De Kalb-
Including the cities of DeKalb and Sycamore
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear mclear mclear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 67 (+1) 71
Min RH % (24HR Trend) 48 (+9) 50
Min Temp (24HR Trend) 46 (+4) 41
Max RH % (24HR Trend) 98 (-2) 96
20FT Wind AM (MPH) SE 5-7 W 6-9
20FT Wind PM (MPH) SE 5-7 Lgt/Var NW 6-9 Lgt/Var
Peak Wind Gusts (MPH) 17
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2300 1900
Max Mixing Hgt (FT) 3100 3200
Transport Wnd (MPH) SE 11 NW 16
Vent Rate (MPH-FT) 37200 51200
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. North winds around 5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds,
becoming southeast around 5 mph after midnight.
.TUESDAY...Sunny. Highs in the upper 60s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West
winds around 5 mph.
.THURSDAY...Sunny. Highs in the lower 70s. West winds 5 to
10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. West
winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 70s. Northwest winds around
5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast
winds around 5 mph.
$$
ILZ003-032115-
Winnebago-
Including the city of Rockford
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear pcldy mclear clear
Precip Type None None None None
Chance Precip (%) 20
Max Temp (24HR Trend) 67 (+1) 69
Min RH % (24HR Trend) 47 (+14) 52
Min Temp (24HR Trend) 45 (+4) 40
Max RH % (24HR Trend) 96 (-4) 97
20FT Wind AM (MPH) SE 5-7 W 7-9
20FT Wind PM (MPH) S 5-7 Lgt/Var NW 7-9 Lgt/Var
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2200 2000
Max Mixing Hgt (FT) 3100 3400
Transport Wnd (MPH) S 12 NW 14
Vent Rate (MPH-FT) 40300 51000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. Light winds, becoming
north around 5 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds,
becoming southeast around 5 mph after midnight.
.TUESDAY...Sunny. Highs in the upper 60s. South winds around
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the lower 70s. Southwest winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West
winds around 5 mph in the evening, becoming light.
.THURSDAY...Mostly sunny. Highs in the lower 70s. West winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. West winds
around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the lower 70s. North winds around
5 mph, becoming south in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
around 5 mph.
$$
ILZ008-032115-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear pcldy mclear clear
Precip Type None None None None
Chance Precip (%) 10
Max Temp (24HR Trend) 68 (+2) 70
Min RH % (24HR Trend) 48 (+13) 50
Min Temp (24HR Trend) 45 (+5) 40
Max RH % (24HR Trend) 97 (-3) 97
20FT Wind AM (MPH) SE 5-7 W 6-9
20FT Wind PM (MPH) S 5-7 Lgt/Var NW 6-9 Lgt/Var
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2100 1900
Max Mixing Hgt (FT) 3100 3200
Transport Wnd (MPH) S 12 NW 14
Vent Rate (MPH-FT) 40300 48000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the mid 60s. Light winds.
.MONDAY NIGHT...Clear. Lows around 40. Light winds, becoming
southeast around 5 mph after midnight.
.TUESDAY...Sunny. Highs in the upper 60s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
around 5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West
winds around 5 mph in the evening, becoming light.
.THURSDAY...Sunny. Highs in the lower 70s. West winds around
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. West winds
around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the lower 70s. North winds around
5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
around 5 mph.
$$
ILZ010-032115-
Lee-
Including the city of Dixon
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear mclear mclear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 68 (+1) 72
Min RH % (24HR Trend) 48 (+13) 47
Min Temp (24HR Trend) 45 (+4) 41
Max RH % (24HR Trend) 98 (-2) 97
20FT Wind AM (MPH) SE 5-6 W 5-9
20FT Wind PM (MPH) SE 5-6 Lgt/Var NW 5-9 Lgt/Var
Peak Wind Gusts (MPH) 15
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2000 1900
Max Mixing Hgt (FT) 3100 3200
Transport Wnd (MPH) S 11 NW 14
Vent Rate (MPH-FT) 37200 48000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. Light winds.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds,
becoming southeast around 5 mph after midnight.
.TUESDAY...Sunny. Highs around 70. South winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows around 50. South winds around
5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West
winds around 5 mph in the evening, becoming light.
.THURSDAY...Sunny. Highs in the mid 70s. West winds around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 50. Light winds.
.FRIDAY...Sunny. Highs in the mid 70s. Northwest winds around
5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph.
$$
ILZ019-032115-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear mclear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 70 (+2) 74
Min RH % (24HR Trend) 43 (+10) 45
Min Temp (24HR Trend) 46 (+3) 44
Max RH % (24HR Trend) 95 (-5) 91
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) SE 4-5 Lgt/Var NW 4-8 Lgt/Var
Peak Wind Gusts (MPH) 15
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 1900 1800
Max Mixing Hgt (FT) 3400 3400
Transport Wnd (MPH) SE 9 NW 14
Vent Rate (MPH-FT) 30600 51000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. North winds around 5 mph
in the morning, becoming light.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs in the lower 70s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Clear. Lows around 50. South winds around 5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50. West winds
around 5 mph in the evening, becoming light.
.THURSDAY...Sunny. Highs in the mid 70s. Northwest winds around
5 mph, becoming west in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds
around 5 mph in the evening, becoming light.
.FRIDAY...Sunny. Highs in the mid 70s. Northwest winds around
5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph.
$$
ILZ020-032115-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover mclear mclear mclear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 69 (+2) 73
Min RH % (24HR Trend) 46 (+8) 52
Min Temp (24HR Trend) 45 (+1) 44
Max RH % (24HR Trend) 99 (-1) 90
20FT Wind AM (MPH) E 5-6 W 5-9
20FT Wind PM (MPH) SE 5-6 Lgt/Var NW 5-9 Lgt/Var
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2300 1900
Max Mixing Hgt (FT) 3400 3300
Transport Wnd (MPH) SE 10 NW 14
Vent Rate (MPH-FT) 34000 49500
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs around 70. South winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
around 5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West
winds around 5 mph.
.THURSDAY...Sunny. Highs in the mid 70s. West winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows around 50. West winds
around 5 mph.
.FRIDAY...Sunny. Highs in the mid 70s. Northwest winds around
5 mph, becoming northeast in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast
winds around 5 mph.
$$
ILZ021-032115-
Grundy-
Including the cities of Morris, Coal City, and Minooka
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear mclear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 71 (+2) 75
Min RH % (24HR Trend) 43 (+7) 50
Min Temp (24HR Trend) 46 (+2) 45
Max RH % (24HR Trend) 97 (-3) 90
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) SE 4-5 Lgt/Var NW 4-8 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2100 2000
Max Mixing Hgt (FT) 3500 3600
Transport Wnd (MPH) SE 9 NW 13
Vent Rate (MPH-FT) 31500 50400
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs in the lower 70s. South winds around
5 mph.
.TUESDAY NIGHT...Clear. Lows around 50. South winds around 5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50. Light winds.
.THURSDAY...Sunny. Highs in the upper 70s. West winds around
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Light
winds.
.FRIDAY...Sunny. Highs in the mid 70s. Northwest winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph.
$$
ILZ022-032115-
Will-
Including the cities of Joliet, Bolingbrook, and Wilmington
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear mclear mclear mclear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 69 (+2) 73
Min RH % (24HR Trend) 45 (+2) 52
Min Temp (24HR Trend) 44 (0) 45
Max RH % (24HR Trend) 98 (-2) 91
20FT Wind AM (MPH) E 5-6 Lgt/Var
20FT Wind PM (MPH) SE 5-6 Lgt/Var NW 4-8 Lgt/Var
Peak Wind Gusts (MPH) 16
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2400 2000
Max Mixing Hgt (FT) 3500 3400
Transport Wnd (MPH) SE 9 NW 12
Vent Rate (MPH-FT) 31500 44200
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. South winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
around 5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds 5 to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West
winds around 5 mph in the evening, becoming light.
.THURSDAY...Sunny. Highs in the mid 70s. West winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows around 50. Southwest winds
around 5 mph.
.FRIDAY...Sunny. Highs in the mid 70s. West winds around 5 mph,
becoming north in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds
around 5 mph, becoming south after midnight.
$$
ILZ032-032115-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 71 (0) 75
Min RH % (24HR Trend) 41 (+8) 49
Min Temp (24HR Trend) 44 (0) 43
Max RH % (24HR Trend) 95 (-5) 96
20FT Wind AM (MPH) E 5 Lgt/Var
20FT Wind PM (MPH) SE 5 Lgt/Var NW 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 1900
Max Mixing Hgt (FT) 3400 3600
Transport Wnd (MPH) SE 9 NW 13
Vent Rate (MPH-FT) 30600 50400
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs around 70. North winds around 5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs in the lower 70s. South winds around
5 mph.
.TUESDAY NIGHT...Clear. Lows in the upper 40s. South winds around
5 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s. Southwest winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50. Light winds.
.THURSDAY...Sunny. Highs in the upper 70s. Light winds, becoming
west around 5 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Light
winds.
.FRIDAY...Sunny. Highs in the upper 70s. Southwest winds around
5 mph.
.FRIDAY NIGHT...Clear. Lows in the mid 50s. East winds around
5 mph, becoming south after midnight.
$$
ILZ023-032115-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 69 (0) 74
Min RH % (24HR Trend) 43 (+1) 51
Min Temp (24HR Trend) 43 (0) 44
Max RH % (24HR Trend) 99 (-1) 96
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) SE 4-5 Lgt/Var NW 2-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2200 1900
Max Mixing Hgt (FT) 3600 3600
Transport Wnd (MPH) SE 9 NW 13
Vent Rate (MPH-FT) 32400 50400
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.MONDAY NIGHT...Clear. Lows around 40. Light winds.
.TUESDAY...Sunny. Highs around 70. South winds around 5 mph.
.TUESDAY NIGHT...Clear. Lows in the upper 40s. South winds around
5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light
winds.
.THURSDAY...Sunny. Highs in the mid 70s. Light winds, becoming
west around 5 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows around 50. Light winds.
.FRIDAY...Sunny. Highs in the mid 70s. Light winds, becoming west
around 5 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows in the lower 50s. East winds around
5 mph, becoming south after midnight.
$$
ILZ039-032115-
Ford-
Including the cities of Paxton and Gibson City
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 70 (-1) 75
Min RH % (24HR Trend) 41 (+3) 47
Min Temp (24HR Trend) 43 (-1) 44
Max RH % (24HR Trend) 95 (-5) 96
20FT Wind AM (MPH) E 5-6 Lgt/Var
20FT Wind PM (MPH) SE 5-6 Lgt/Var NW 3-7 Lgt/Var
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) 3500 3600
Transport Wnd (MPH) E 9 NW 13
Vent Rate (MPH-FT) 31500 50400
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs around 70. North winds around 5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. North winds around
5 mph in the evening, becoming light.
.TUESDAY...Sunny. Highs in the lower 70s. Southeast winds around
5 mph.
.TUESDAY NIGHT...Clear. Lows in the upper 40s. South winds around
5 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s. Southwest winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50. West winds
around 5 mph in the evening, becoming light.
.THURSDAY...Sunny. Highs in the upper 70s. West winds around
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Light
winds.
.FRIDAY...Sunny. Highs in the upper 70s. West winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows in the lower 50s. East winds around
5 mph, becoming southeast after midnight.
$$
ILZ033-032115-
Iroquois-
Including the cities of Watseka and Gilman
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 70 (0) 75
Min RH % (24HR Trend) 43 (+3) 46
Min Temp (24HR Trend) 43 (-1) 44
Max RH % (24HR Trend) 98 (-2) 98
20FT Wind AM (MPH) Lgt/Var Lgt/Var
20FT Wind PM (MPH) E 4-5 Lgt/Var NW 1-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2400 1900
Max Mixing Hgt (FT) 3500 3900
Transport Wnd (MPH) SE 9 NW 12
Vent Rate (MPH-FT) 31500 50700
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. Light winds, becoming
north around 5 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows around 40. Light winds.
.TUESDAY...Sunny. Highs in the lower 70s. Light winds, becoming
south around 5 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows in the mid 40s. South winds around
5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light
winds.
.THURSDAY...Sunny. Highs in the upper 70s. Light winds, becoming
west around 5 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows around 50. Light winds.
.FRIDAY...Sunny. Highs in the upper 70s. Light winds, becoming
west around 5 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows in the lower 50s. Light winds,
becoming south around 5 mph after midnight.
$$
INZ010-032115-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear clear clear mclear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 69 (+1) 73
Min RH % (24HR Trend) 44 (+2) 47
Min Temp (24HR Trend) 43 (0) 44
Max RH % (24HR Trend) 99 (-1) 99
20FT Wind AM (MPH) E 5 Lgt/Var
20FT Wind PM (MPH) SE 5 Lgt/Var NW 1-5 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2400 1900
Max Mixing Hgt (FT) 3600 3900
Transport Wnd (MPH) SE 9 NW 11
Vent Rate (MPH-FT) 32400 46800
Vent Rate Category poor poor
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. Light winds, becoming
north around 5 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the upper 30s. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. Light winds, becoming
south around 5 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows in the mid 40s. South winds around
5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light
winds.
.THURSDAY...Sunny. Highs in the mid 70s. Light winds, becoming
west around 5 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. Light
winds.
.FRIDAY...Sunny. Highs in the mid 70s. Light winds, becoming west
around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds
around 5 mph, becoming south after midnight.
$$
INZ011-032115-
Jasper-
Including the cities of Rensselaer and DeMotte
343 AM CDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear clear clear mclear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 69 (+2) 73
Min RH % (24HR Trend) 45 (+1) 49
Min Temp (24HR Trend) 42 (-1) 45
Max RH % (24HR Trend) 100 (0) 100
20FT Wind AM (MPH) E 5-6 Lgt/Var
20FT Wind PM (MPH) E 5-6 Lgt/Var NW 2-6 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2600 1900
Max Mixing Hgt (FT) 3700 4000
Transport Wnd (MPH) SE 10 NW 12
Vent Rate (MPH-FT) 37000 52000
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 30s. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. Southeast winds around
5 mph.
.TUESDAY NIGHT...Clear. Lows in the mid 40s. South winds around
5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light
winds.
.THURSDAY...Sunny. Highs in the mid 70s. Light winds, becoming
west around 5 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. Light
winds.
.FRIDAY...Sunny. Highs in the mid 70s. West winds around 5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds
around 5 mph, becoming south after midnight.
$$
INZ019-032115-
Benton-
Including the cities of Fowler and Oxford
443 AM EDT Sat Oct 3 2026
Today Tonight Sun Sun Night
Cloud Cover clear clear clear clear
Precip Type None None None None
Chance Precip (%)
Max Temp (24HR Trend) 68 (0) 73
Min RH % (24HR Trend) 44 (+2) 46
Min Temp (24HR Trend) 43 (-1) 45
Max RH % (24HR Trend) 97 (-3) 100
20FT Wind AM (MPH) E 5-6 Lgt/Var
20FT Wind PM (MPH) E 5-6 Lgt/Var NW 1-5 Lgt/Var
Peak Wind Gusts (MPH)
Precip Amount (IN) 0.00 0.00 0.00 0.00
11 AM Mixing Hgt (FT) 2400 1900
Max Mixing Hgt (FT) 3400 4100
Transport Wnd (MPH) E 10 NW 12
Vent Rate (MPH-FT) 34000 53300
Vent Rate Category poor fair
.FORECAST FOR DAYS 3 THROUGH 7...
(WINDS ARE 20 FT LEVEL)
.MONDAY...Sunny. Highs in the upper 60s. North winds around
5 mph.
.MONDAY NIGHT...Clear. Lows in the lower 40s. Light winds.
.TUESDAY...Sunny. Highs in the upper 60s. Light winds.
.TUESDAY NIGHT...Clear. Lows in the upper 40s. South winds around
5 mph.
.WEDNESDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50. Light winds.
.THURSDAY...Sunny. Highs in the mid 70s. Light winds, becoming
west around 5 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Light
winds.
.FRIDAY...Sunny. Highs in the mid 70s. Light winds, becoming west
around 5 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows in the lower 50s. Light winds,
becoming southeast around 5 mph after midnight.
$$
Kluber