FNUS53 KLOT 152039 FWFLOT Fire Weather Planning Forecast For Northern IL and Northwest IN National Weather Service Chicago/Romeoville IL 339 PM CDT Thu Oct 15 2026 .DISCUSSION... A storm system will move across the region through Friday. Waves of showers will move through the area both today and Friday with peak coverage this afternoon into early this evening, and then again Friday afternoon. The greatest coverage of rain showers on Friday is expected across far northeast Illinois into northwest Indiana. As low pressure moves away from the region on Friday gusty northwest winds will develop. Much cooler weather is expected for Friday and Saturday before conditions moderate Sunday into Tuesday. ILZ014-160915- Cook- Including the cities of Chicago, Schaumburg, Evanston, Oak Lawn, Lemont, Orland Park, and Park Forest 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy pcldy clear Precip Type showers showers None None Chance Precip (%) 70 60 10 Max Temp (24HR Trend) 54 (-10) 57 Min RH % (24HR Trend) 69 (-9) 45 Min Temp (24HR Trend) 48 (-9) 37 Max RH % (24HR Trend) 98 (+9) 81 20FT Wind AM (MPH) NW 15-20 NW 5 20FT Wind PM (MPH) SW 10-15 NW 15-20 N 10-15 SW 5 Peak Wind Gusts (MPH) 30 37 37 Precip Amount (IN) 0.10-0.25 0.05-0.10 0.00 0.00 11 AM Mixing Hgt (FT) 3100 3100 Max Mixing Hgt (FT) 4000 4900 Transport Wnd (MPH) N 28 SW 8 Vent Rate (MPH-FT) 116000 39200 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. Southwest winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Light winds. .TUESDAY...Sunny. Highs around 70. Light winds, becoming southeast around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light winds. .WEDNESDAY...Sunny. Highs in the lower 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast winds around 5 mph. $$ ILZ006-160915- Lake IL- Including the cities of Waukegan, Buffalo Grove, Mundelein, and Gurnee 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 70 60 Max Temp (24HR Trend) 53 (-7) 57 Min RH % (24HR Trend) 72 (-13) 43 Min Temp (24HR Trend) 46 (-7) 32 Max RH % (24HR Trend) 100 (+3) 85 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 10-15 N 15-20 N 10-15 SW 4-7 Peak Wind Gusts (MPH) 29 36 33 Precip Amount (IN) 0.10-0.25 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 3000 2300 Max Mixing Hgt (FT) 4000 4500 Transport Wnd (MPH) N 31 SW 11 Vent Rate (MPH-FT) 124000 54000 Vent Rate Category very good fair .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Lows in the upper 30s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs in the lower 60s. Southwest winds around 15 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. Southwest winds around 5 mph. .MONDAY...Mostly sunny. Highs in the mid 60s. Southwest winds around 5 mph. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the upper 60s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Mostly sunny. Highs around 70. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light winds. $$ INZ001-160915- Lake IN- Including the cities of Gary, Hammond, and Merrillville 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy mcldy mclear Precip Type tstms showers showers None Chance Precip (%) 70 80 30 Max Temp (24HR Trend) 54 (-13) 57 Min RH % (24HR Trend) 73 (+1) 49 Min Temp (24HR Trend) 48 (-9) 39 Max RH % (24HR Trend) 97 (+5) 90 20FT Wind AM (MPH) W 15-20 Lgt/Var 20FT Wind PM (MPH) SW 10-15 NW 15-20 N 15-20 Lgt/Var Peak Wind Gusts (MPH) 31 42 42 Precip Amount (IN) 0.10-0.25 0.10-0.25 0.05-0.10 0.00 11 AM Mixing Hgt (FT) 3100 3300 Max Mixing Hgt (FT) 3500 4600 Transport Wnd (MPH) NW 28 W 6 Vent Rate (MPH-FT) 101500 32200 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Areas of frost after midnight. Lows in the upper 30s. South winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Light winds. .TUESDAY...Sunny. Highs in the lower 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the lower 70s. Light winds, becoming east around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ INZ002-160915- Porter- Including the cities of Portage, Valparaiso, and Chesterton 339 PM CDT Thu Oct 15 2026 ...WIND ADVISORY IN EFFECT FROM 1 PM TO 10 PM CDT FRIDAY... Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy pcldy mclear Precip Type tstms showers showers None Chance Precip (%) 70 80 60 Max Temp (24HR Trend) 55 (-12) 57 Min RH % (24HR Trend) 71 (-2) 48 Min Temp (24HR Trend) 49 (-7) 39 Max RH % (24HR Trend) 97 (+4) 91 20FT Wind AM (MPH) W 15-20 Lgt/Var 20FT Wind PM (MPH) SW 10-15 NW 15-20 N 15-20 Lgt/Var Peak Wind Gusts (MPH) 33 43 43 Precip Amount (IN) 0.10-0.25 0.10-0.25 0.10-0.25 0.00 11 AM Mixing Hgt (FT) 3100 3000 Max Mixing Hgt (FT) 3300 4500 Transport Wnd (MPH) N 31 W 5 Vent Rate (MPH-FT) 102300 27000 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Areas of frost after midnight. Lows in the upper 30s. South winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Light winds. .TUESDAY...Sunny. Highs in the lower 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the lower 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ ILZ013-160915- DuPage- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 60 60 Max Temp (24HR Trend) 54 (-9) 56 Min RH % (24HR Trend) 70 (-8) 46 Min Temp (24HR Trend) 47 (-9) 34 Max RH % (24HR Trend) 99 (+7) 85 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 10-15 NW 15-20 N 10-15 SW 4-6 Peak Wind Gusts (MPH) 29 31 27 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 3000 2800 Max Mixing Hgt (FT) 4200 4600 Transport Wnd (MPH) N 27 SW 8 Vent Rate (MPH-FT) 117600 36800 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Lows in the upper 30s. Southwest winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. Southwest winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Light winds. .TUESDAY...Sunny. Highs around 70. Light winds, becoming southeast around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the lower 70s. Southeast winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows around 50. Southeast winds around 5 mph. $$ ILZ012-160915- Kane- Including the cities of Aurora and Elgin 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 60 50 Max Temp (24HR Trend) 53 (-9) 56 Min RH % (24HR Trend) 70 (-13) 42 Min Temp (24HR Trend) 45 (-9) 32 Max RH % (24HR Trend) 100 (+4) 86 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 10-15 N 15-20 N 10-15 SW 3-6 Peak Wind Gusts (MPH) 30 31 26 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 2900 2000 Max Mixing Hgt (FT) 3800 3900 Transport Wnd (MPH) N 29 SW 10 Vent Rate (MPH-FT) 114000 39000 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Patchy frost after midnight. Lows in the upper 30s. Southwest winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds, becoming southeast around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the lower 70s. Southeast winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ ILZ005-160915- McHenry- Including the cities of Crystal Lake, Algonquin, McHenry, and Woodstock 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 70 50 Max Temp (24HR Trend) 52 (-8) 56 Min RH % (24HR Trend) 76 (-16) 43 Min Temp (24HR Trend) 45 (-7) 31 Max RH % (24HR Trend) 100 (+3) 89 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 10-15 N 15-20 N 10-15 SW 3-6 Peak Wind Gusts (MPH) 26 31 26 Precip Amount (IN) 0.10-0.25 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 2900 2100 Max Mixing Hgt (FT) 4100 3900 Transport Wnd (MPH) N 31 SW 12 Vent Rate (MPH-FT) 127100 50700 Vent Rate Category very good fair .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Lows in the upper 30s. Southwest winds around 5 mph. .SUNDAY...Sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. Southwest winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. Southwest winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs around 70. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the lower 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Light winds. $$ ILZ004-160915- Boone- Including the city of Belvidere 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 70 50 Max Temp (24HR Trend) 52 (-8) 56 Min RH % (24HR Trend) 70 (-22) 42 Min Temp (24HR Trend) 45 (-8) 30 Max RH % (24HR Trend) 100 (+7) 89 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 10-15 N 15-20 N 10-15 SW 2-6 Peak Wind Gusts (MPH) 27 32 25 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 3000 1900 Max Mixing Hgt (FT) 3900 3900 Transport Wnd (MPH) N 29 SW 12 Vent Rate (MPH-FT) 117000 50700 Vent Rate Category good fair .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Lows in the upper 30s. Southwest winds around 5 mph. .SUNDAY...Sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. Southwest winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs around 70. Light winds, becoming south around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the lower 70s. Southeast winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ ILZ011-160915- De Kalb- Including the cities of DeKalb and Sycamore 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 60 50 Max Temp (24HR Trend) 52 (-9) 56 Min RH % (24HR Trend) 65 (-25) 39 Min Temp (24HR Trend) 45 (-9) 31 Max RH % (24HR Trend) 100 (+6) 88 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 15-20 N 15-20 N 10-15 SW 3-5 Peak Wind Gusts (MPH) 30 32 27 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 2800 1900 Max Mixing Hgt (FT) 3600 3900 Transport Wnd (MPH) N 29 SW 11 Vent Rate (MPH-FT) 108000 46800 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Patchy frost after midnight. Lows in the upper 30s. Southwest winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds, becoming southeast around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. East winds around 5 mph in the evening, becoming light. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ ILZ003-160915- Winnebago- Including the city of Rockford 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover mcldy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 70 50 Max Temp (24HR Trend) 52 (-8) 56 Min RH % (24HR Trend) 68 (-26) 39 Min Temp (24HR Trend) 44 (-10) 30 Max RH % (24HR Trend) 99 (+7) 91 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 10-15 N 15-20 N 0-5 SW 2-7 Peak Wind Gusts (MPH) 27 31 25 Precip Amount (IN) 0.01-0.05 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 3000 1900 Max Mixing Hgt (FT) 4000 3900 Transport Wnd (MPH) N 29 SW 12 Vent Rate (MPH-FT) 120000 50700 Vent Rate Category very good fair .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Lows in the upper 30s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs in the lower 60s. Southwest winds around 15 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds 5 to 10 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. Southwest winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs around 70. Light winds, becoming southeast around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the lower 70s. Southeast winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ ILZ008-160915- Ogle- Including the cities of Rochelle, Oregon, and Byron 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover mcldy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 60 40 Max Temp (24HR Trend) 52 (-9) 56 Min RH % (24HR Trend) 66 (-28) 38 Min Temp (24HR Trend) 44 (-10) 30 Max RH % (24HR Trend) 100 (+9) 90 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 10-15 N 15-20 N 1-6 SW 1-6 Peak Wind Gusts (MPH) 29 31 25 Precip Amount (IN) 0.01-0.05 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 2800 1900 Max Mixing Hgt (FT) 3900 3900 Transport Wnd (MPH) N 29 SW 11 Vent Rate (MPH-FT) 117000 46800 Vent Rate Category good fair .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Lows in the upper 30s. Southwest winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. Southwest winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds, becoming southeast around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ ILZ010-160915- Lee- Including the city of Dixon 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover mcldy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 60 40 Max Temp (24HR Trend) 52 (-10) 57 Min RH % (24HR Trend) 65 (-29) 38 Min Temp (24HR Trend) 44 (-11) 31 Max RH % (24HR Trend) 100 (+7) 90 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 10-15 N 15-20 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 29 31 26 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 2700 1800 Max Mixing Hgt (FT) 3600 3900 Transport Wnd (MPH) N 29 SW 11 Vent Rate (MPH-FT) 108000 46800 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Patchy frost after midnight. Lows in the upper 30s. South winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds, becoming southeast around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the lower 70s. Southeast winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows around 50. Southeast winds around 5 mph. $$ ILZ019-160915- La Salle- Including the cities of Ottawa, Streator, La Salle, Mendota, and Marseilles 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 50 40 Max Temp (24HR Trend) 53 (-13) 58 Min RH % (24HR Trend) 60 (-26) 37 Min Temp (24HR Trend) 46 (-11) 32 Max RH % (24HR Trend) 99 (+9) 84 20FT Wind AM (MPH) NW 10-15 Lgt/Var 20FT Wind PM (MPH) W 10-15 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 29 31 26 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 2900 2200 Max Mixing Hgt (FT) 3900 3900 Transport Wnd (MPH) N 29 SW 8 Vent Rate (MPH-FT) 117000 31200 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Patchy frost after midnight. Lows in the upper 30s. South winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. South winds around 5 mph. .MONDAY...Mostly sunny. Highs around 70. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows around 50. Southeast winds around 5 mph. $$ ILZ020-160915- Kendall- Including the cities of Oswego, Yorkville, and Plano 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy clear clear Precip Type showers showers None None Chance Precip (%) 60 50 Max Temp (24HR Trend) 53 (-11) 58 Min RH % (24HR Trend) 67 (-14) 41 Min Temp (24HR Trend) 46 (-10) 33 Max RH % (24HR Trend) 99 (+5) 86 20FT Wind AM (MPH) NW 15-20 Lgt/Var 20FT Wind PM (MPH) W 15-20 NW 15-20 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 29 30 26 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 3000 2200 Max Mixing Hgt (FT) 4000 3900 Transport Wnd (MPH) N 29 SW 8 Vent Rate (MPH-FT) 120000 31200 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Patchy frost after midnight. Lows in the upper 30s. Southwest winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds, becoming southeast around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Southeast winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ ILZ021-160915- Grundy- Including the cities of Morris, Coal City, and Minooka 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy clear clear Precip Type tstms showers None None Chance Precip (%) 50 50 Max Temp (24HR Trend) 54 (-13) 59 Min RH % (24HR Trend) 68 (-16) 42 Min Temp (24HR Trend) 47 (-10) 34 Max RH % (24HR Trend) 96 (+2) 85 20FT Wind AM (MPH) NW 10-15 Lgt/Var 20FT Wind PM (MPH) W 10-15 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 28 30 26 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 2900 2200 Max Mixing Hgt (FT) 3800 4000 Transport Wnd (MPH) NW 29 SW 6 Vent Rate (MPH-FT) 114000 28000 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Patchy frost after midnight. Lows in the upper 30s. Light winds, becoming south around 5 mph after midnight. .SUNDAY...Sunny. Highs in the upper 60s. South winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds around 5 mph in the evening, becoming light. .MONDAY...Mostly sunny. Highs in the lower 70s. Light winds, becoming southwest around 5 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the mid 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows around 50. Light winds. $$ ILZ022-160915- Will- Including the cities of Joliet, Bolingbrook, and Wilmington 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy mclear clear Precip Type tstms showers None None Chance Precip (%) 60 50 Max Temp (24HR Trend) 54 (-12) 57 Min RH % (24HR Trend) 69 (-10) 46 Min Temp (24HR Trend) 47 (-9) 35 Max RH % (24HR Trend) 98 (+5) 86 20FT Wind AM (MPH) NW 10-15 Lgt/Var 20FT Wind PM (MPH) W 10-15 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 29 30 28 Precip Amount (IN) 0.10-0.25 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 2900 2800 Max Mixing Hgt (FT) 3900 4600 Transport Wnd (MPH) NW 27 SW 8 Vent Rate (MPH-FT) 109200 36800 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Patchy frost after midnight. Lows in the upper 30s. South winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows around 40. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 60s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ ILZ032-160915- Livingston- Including the cities of Pontiac, Dwight, and Fairbury 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy mclear clear Precip Type tstms showers None None Chance Precip (%) 50 40 Max Temp (24HR Trend) 54 (-15) 59 Min RH % (24HR Trend) 68 (-15) 42 Min Temp (24HR Trend) 46 (-11) 33 Max RH % (24HR Trend) 95 (+1) 90 20FT Wind AM (MPH) NW 10-15 Lgt/Var 20FT Wind PM (MPH) W 10-15 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 29 30 27 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 3000 2200 Max Mixing Hgt (FT) 3400 3900 Transport Wnd (MPH) NW 27 W 6 Vent Rate (MPH-FT) 95200 27300 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Areas of frost after midnight. Lows in the mid 30s. Light winds, becoming south around 5 mph after midnight. .SUNDAY...Sunny. Patchy frost in the morning. Highs in the upper 60s. South winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the lower 70s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Sunny. Highs in the mid 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the upper 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. East winds around 5 mph in the evening, becoming light. $$ ILZ023-160915- Kankakee- Including the cities of Kankakee, Bourbonnais, and Bradley 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy mclear clear Precip Type tstms showers None None Chance Precip (%) 60 50 Max Temp (24HR Trend) 54 (-15) 58 Min RH % (24HR Trend) 70 (-5) 45 Min Temp (24HR Trend) 48 (-8) 35 Max RH % (24HR Trend) 97 (+4) 88 20FT Wind AM (MPH) NW 10-15 Lgt/Var 20FT Wind PM (MPH) W 15-20 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 30 30 27 Precip Amount (IN) 0.10-0.25 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 2900 3000 Max Mixing Hgt (FT) 3500 4600 Transport Wnd (MPH) NW 27 W 6 Vent Rate (MPH-FT) 98000 32200 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Areas of frost after midnight. Lows in the mid 30s. Light winds, becoming south around 5 mph after midnight. .SUNDAY...Sunny. Areas of frost in the morning. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. South winds around 5 mph in the evening, becoming light. .MONDAY...Mostly sunny. Highs around 70. Light winds, becoming south around 5 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the mid 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light winds. $$ ILZ039-160915- Ford- Including the cities of Paxton and Gibson City 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy mclear clear Precip Type tstms showers None None Chance Precip (%) 50 30 Max Temp (24HR Trend) 54 (-17) 58 Min RH % (24HR Trend) 66 (-10) 42 Min Temp (24HR Trend) 47 (-11) 34 Max RH % (24HR Trend) 94 (0) 89 20FT Wind AM (MPH) NW 10-15 Lgt/Var 20FT Wind PM (MPH) W 15-20 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 28 30 27 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 3200 2600 Max Mixing Hgt (FT) 3300 4500 Transport Wnd (MPH) NW 25 N 5 Vent Rate (MPH-FT) 82500 27000 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Areas of frost after midnight. Lows in the mid 30s. Light winds, becoming south around 5 mph after midnight. .SUNDAY...Sunny. Areas of frost in the morning. Highs in the upper 60s. South winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. South winds around 5 mph. .MONDAY...Mostly sunny. Highs in the lower 70s. South winds around 5 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the mid 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. $$ ILZ033-160915- Iroquois- Including the cities of Watseka and Gilman 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy pcldy clear Precip Type tstms showers None None Chance Precip (%) 50 40 Max Temp (24HR Trend) 54 (-16) 58 Min RH % (24HR Trend) 65 (-8) 42 Min Temp (24HR Trend) 48 (-9) 35 Max RH % (24HR Trend) 96 (+3) 90 20FT Wind AM (MPH) NW 10-15 Lgt/Var 20FT Wind PM (MPH) W 15-20 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 30 29 27 Precip Amount (IN) 0.05-0.10 0.01-0.05 0.00 0.00 11 AM Mixing Hgt (FT) 3100 3000 Max Mixing Hgt (FT) 3400 4600 Transport Wnd (MPH) NW 25 N 5 Vent Rate (MPH-FT) 85000 27600 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Areas of frost after midnight. Lows in the mid 30s. Light winds. .SUNDAY...Sunny. Areas of frost in the morning. Highs in the upper 60s. South winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. South winds around 5 mph in the evening, becoming light. .MONDAY...Mostly sunny. Highs in the lower 70s. Light winds. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the mid 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Light winds. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light winds. $$ INZ010-160915- Newton- Including the cities of Roselawn, Kentland, and Morocco 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy pcldy mclear Precip Type tstms showers showers None Chance Precip (%) 60 70 20 Max Temp (24HR Trend) 54 (-15) 57 Min RH % (24HR Trend) 71 (0) 45 Min Temp (24HR Trend) 49 (-8) 37 Max RH % (24HR Trend) 97 (+3) 91 20FT Wind AM (MPH) W 10-15 Lgt/Var 20FT Wind PM (MPH) SW 10-15 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 28 29 28 Precip Amount (IN) 0.05-0.10 0.05-0.10 0.01-0.05 0.00 11 AM Mixing Hgt (FT) 3000 3200 Max Mixing Hgt (FT) 3400 4600 Transport Wnd (MPH) NW 25 N 4 Vent Rate (MPH-FT) 85000 23000 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Areas of frost after midnight. Lows in the mid 30s. Light winds. .SUNDAY...Sunny. Areas of frost in the morning. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. South winds around 5 mph in the evening, becoming light. .MONDAY...Mostly sunny. Highs around 70. Light winds, becoming southwest around 5 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Light winds. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light winds. $$ INZ011-160915- Jasper- Including the cities of Rensselaer and DeMotte 339 PM CDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy pcldy clear Precip Type tstms showers showers None Chance Precip (%) 60 70 40 Max Temp (24HR Trend) 54 (-15) 57 Min RH % (24HR Trend) 74 (+4) 47 Min Temp (24HR Trend) 49 (-8) 38 Max RH % (24HR Trend) 96 (+1) 93 20FT Wind AM (MPH) W 10-15 Lgt/Var 20FT Wind PM (MPH) SW 10-15 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 28 29 28 Precip Amount (IN) 0.10-0.25 0.10-0.25 0.10-0.25 0.00 11 AM Mixing Hgt (FT) 3000 3200 Max Mixing Hgt (FT) 3400 4600 Transport Wnd (MPH) NW 24 N 5 Vent Rate (MPH-FT) 81600 27600 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Areas of frost after midnight. Lows in the mid 30s. Light winds, becoming south around 5 mph after midnight. .SUNDAY...Sunny. Areas of frost in the morning. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. South winds around 5 mph in the evening, becoming light. .MONDAY...Mostly sunny. Highs around 70. Light winds, becoming southwest around 5 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Light winds, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light winds. $$ INZ019-160915- Benton- Including the cities of Fowler and Oxford 439 PM EDT Thu Oct 15 2026 Tonight Fri Fri Night Sat Cloud Cover cloudy mcldy pcldy clear Precip Type tstms showers showers None Chance Precip (%) 60 60 20 Max Temp (24HR Trend) 54 (-16) 57 Min RH % (24HR Trend) 71 (-2) 46 Min Temp (24HR Trend) 49 (-10) 38 Max RH % (24HR Trend) 96 (+2) 92 20FT Wind AM (MPH) W 10-15 Lgt/Var 20FT Wind PM (MPH) SW 10-15 NW 10-15 N 10-15 Lgt/Var Peak Wind Gusts (MPH) 28 28 27 Precip Amount (IN) 0.10-0.25 0.01-0.05 0.01-0.05 0.00 11 AM Mixing Hgt (FT) 3200 3300 Max Mixing Hgt (FT) 3400 4500 Transport Wnd (MPH) NW 25 NE 6 Vent Rate (MPH-FT) 85000 31500 Vent Rate Category good poor .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .SATURDAY NIGHT...Clear. Areas of frost after midnight. Lows in the mid 30s. Light winds. .SUNDAY...Sunny. Areas of frost in the morning. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. Light winds. .MONDAY...Mostly sunny. Highs around 70. Light winds, becoming south around 5 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Light winds. .TUESDAY...Mostly sunny. Highs in the lower 70s. Light winds. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Light winds. .WEDNESDAY...Sunny. Highs in the mid 70s. Light winds. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Light winds. $$