Zone Forecast Product
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
248 FPUS53 KLOT 281217 ZFPLOT Zone Forecast Product National Weather Service Chicago/Romeoville, IL 716 AM CDT Mon Sep 28 2026 ILZ104-290300- Central Cook- Including the cities of Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Patchy fog early in the morning. Highs in the lower 70s. Northeast winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the mid 70s. South winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the afternoon. Highs in the upper 70s. South winds around 10 mph. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 50 percent. .THURSDAY...Showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Cloudy with a 50 percent chance of showers. Lows in the upper 50s. .FRIDAY...Mostly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the mid 60s. $$ ILZ103-290300- Northern Cook- Including the cities of Evanston, Des Plaines, Schaumburg, Palatine, and Northbrook 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Patchy fog early in the morning. Highs in the lower 70s inland, but only in the upper 60s near the lake. Northeast winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Patchy fog early in the morning. Highs in the mid 70s. South winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. South winds around 10 mph. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 50 percent. .THURSDAY...Showers with a slight chance of thunderstorms. Highs in the lower 70s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the mid 60s. $$ ILZ105-290300- Southern Cook- Including the cities of Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Areas of fog early in the morning. Highs in the lower 70s. Northeast winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Highs in the upper 70s. South winds around 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .THURSDAY...Showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Cloudy with a 50 percent chance of showers. Lows in the upper 50s. .FRIDAY...Mostly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. A chance of showers in the afternoon. Highs in the mid 60s. Chance of precipitation 30 percent. $$ ILZ006-290300- Lake IL- Including the cities of Waukegan, Buffalo Grove, Mundelein, and Gurnee 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Areas of fog early in the morning. Highs in the lower 70s inland, but only in the upper 60s near the lake. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Patchy fog early in the morning. Highs in the mid 70s inland, but only in the lower 70s near the lake. South winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows around 60. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. South winds around 10 mph. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 60 percent. .THURSDAY...A slight chance of thunderstorms. Showers. Highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s. $$ ILZ005-290300- McHenry- Including the cities of Crystal Lake, Algonquin, McHenry, and Woodstock 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Areas of fog early in the morning. Highs in the lower 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows around 50. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Patchy fog early in the morning. Highs in the mid 70s. South winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows around 60. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. A chance of showers. Highs in the mid 70s. South winds 5 to 10 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 70 percent. .THURSDAY...A slight chance of thunderstorms. Showers. Highs in the lower 70s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows around 50. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s. $$ ILZ012-290300- Kane- Including the cities of Aurora and Elgin 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Areas of fog early in the morning. Highs in the mid 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the mid 70s. South winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. South winds around 10 mph. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 60 percent. .THURSDAY...A slight chance of thunderstorms. Showers. Highs in the lower 70s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows around 50. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. Highs in the mid 60s. $$ ILZ013-290300- DuPage- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Patchy fog early in the morning. Highs in the mid 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the mid 70s. South winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid 70s. South winds around 10 mph. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 50 percent. .THURSDAY...Showers with a slight chance of thunderstorms. Highs in the mid 70s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the mid 60s. $$ ILZ020-290300- Kendall- Including the cities of Oswego, Yorkville, and Plano 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Areas of fog early in the morning. Highs in the mid 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 50 percent. .THURSDAY...Showers with a slight chance of thunderstorms. Highs in the mid 70s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ ILZ106-290300- Northern Will- Including the cities of Joliet, Bolingbrook, Plainfield, and Mokena 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Areas of fog early in the morning. Highs in the mid 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 50 percent. .THURSDAY...Showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Cloudy with a 50 percent chance of showers. Lows in the upper 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ ILZ107-290300- Southern Will- Including the cities of Channahon, Manhattan, and Wilmington 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning then clearing. Patchy dense fog early in the morning. Highs in the mid 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .THURSDAY...Showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Temperature falling to around 70 in the afternoon. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ ILZ108-290300- Eastern Will- Including the cities of Crete, Peotone, and Beecher 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning then clearing. Widespread dense fog early in the morning. Highs in the mid 70s. North winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows around 50. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Highs in the upper 70s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 30 percent. .THURSDAY...Showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Temperature falling into the upper 60s in the afternoon. Chance of precipitation 90 percent. .THURSDAY NIGHT...Cloudy with a 50 percent chance of showers. Lows in the upper 50s. .FRIDAY...Mostly cloudy. A chance of showers in the morning. Highs in the mid 60s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ INZ001-290300- Lake IN- Including the cities of Gary, Hammond, and Merrillville 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning then clearing. Widespread dense fog early in the morning. Highs in the lower 70s inland, but only in the upper 60s near the lake. North winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the upper 70s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 20 percent. .THURSDAY...Showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Temperature falling into the upper 60s in the afternoon. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy. A chance of showers in the morning. Highs in the mid 60s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. A chance of showers in the afternoon. Highs in the upper 60s. Chance of precipitation 30 percent. $$ INZ002-290300- Porter- Including the cities of Portage, Valparaiso, and Chesterton 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning then clearing. Widespread dense fog early in the morning. Highs in the lower 70s inland, but only in the upper 60s near the lake. Temperature falling into the mid 60s in the afternoon. North winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows around 50. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the upper 70s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 20 percent. .THURSDAY...Showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s inland, but only in the lower 70s near the lake. Temperature falling into the upper 60s in the afternoon. Chance of precipitation 80 percent. .THURSDAY NIGHT...Cloudy. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 60s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. Highs in the mid 60s. $$ ILZ003-290300- Winnebago- Including the city of Rockford 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon. .TONIGHT...Clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Southeast winds around 5 mph. .TUESDAY...Mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows around 60. South winds 5 to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY...Mostly cloudy. A chance of showers. Highs in the lower 70s. South winds 5 to 10 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 70 percent. .THURSDAY...Cloudy. Showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs around 70. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s. $$ ILZ004-290300- Boone- Including the city of Belvidere 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog late. Lows in the upper 40s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly cloudy. Patchy fog early in the morning. Highs in the mid 70s. South winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows around 60. South winds 5 to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY...Mostly cloudy. A chance of showers. Highs in the lower 70s. South winds 5 to 10 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 70 percent. .THURSDAY...Cloudy. Showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs around 70. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of showers, mainly in the evening. Lows in the lower 50s. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows around 50. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s. $$ ILZ008-290300- Ogle- Including the cities of Rochelle, Oregon, and Byron 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Patchy fog early in the morning. Highs in the mid 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon. .TONIGHT...Clear in the evening, then becoming partly cloudy. Lows around 50. Southeast winds around 5 mph. .TUESDAY...Mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows around 60. South winds 5 to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY...Mostly cloudy. A chance of showers. Highs in the mid 70s. South winds 5 to 10 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 70 percent. .THURSDAY...A slight chance of thunderstorms. Showers. Highs in the lower 70s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers. Lows in the lower 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows around 50. .SUNDAY...Partly cloudy. Highs in the mid 60s. $$ ILZ011-290300- De Kalb- Including the cities of DeKalb and Sycamore 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning then clearing. Areas of fog early in the morning. Highs in the mid 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog late. Lows in the lower 50s. Southeast winds around 5 mph. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the mid 70s. South winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows around 60. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 70 percent. .THURSDAY...A slight chance of thunderstorms. Showers. Highs in the lower 70s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. Highs in the mid 60s. $$ ILZ010-290300- Lee- Including the city of Dixon 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning, then becoming sunny. Patchy fog early in the morning. Highs in the mid 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon. .TONIGHT...Mostly clear. Lows in the lower 50s. Southeast winds around 5 mph. .TUESDAY...Partly cloudy. Highs in the upper 70s. South winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 70 percent. .THURSDAY...A slight chance of thunderstorms. Showers. Highs in the lower 70s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. Highs in the mid 60s. $$ ILZ019-290300- La Salle- Including the cities of Ottawa, Streator, La Salle, Mendota, and Marseilles 716 AM CDT Mon Sep 28 2026 .TODAY...Partly cloudy in the morning, then becoming sunny. Patchy fog early in the morning. Highs in the upper 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear. Patchy fog late. Lows in the lower 50s. East winds around 5 mph. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. A slight chance of showers in the afternoon. Highs around 80. South winds 5 to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 50 percent. .THURSDAY...Showers with a slight chance of thunderstorms. Highs in the mid 70s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ ILZ021-290300- Grundy- Including the cities of Morris, Coal City, and Minooka 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning, then becoming sunny. Areas of dense fog early in the morning. Highs in the upper 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. East winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Patchy fog early in the morning. Highs around 80. South winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .THURSDAY...Showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Temperature falling to around 70 in the afternoon. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SATURDAY...Partly cloudy. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ ILZ032-290300- Livingston- Including the cities of Pontiac, Dwight, and Fairbury 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning, then becoming sunny. Patchy dense fog early in the morning. Highs in the upper 70s. Northeast winds around 5 mph. .TONIGHT...Mostly clear. Lows in the lower 50s. East winds around 5 mph. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 20 percent. .THURSDAY...Showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Temperature falling into the lower 70s in the afternoon. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ ILZ023-290300- Kankakee- Including the cities of Kankakee, Bourbonnais, and Bradley 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning then clearing. Widespread dense fog early in the morning. Highs in the mid 70s. North winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog late. Lows in the lower 50s. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 20 percent. .THURSDAY...Showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Temperature falling to around 70 in the afternoon. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ ILZ039-290300- Ford- Including the cities of Paxton and Gibson City 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Widespread dense fog early in the morning. Highs in the upper 70s. North winds around 5 mph. .TONIGHT...Mostly clear. Lows in the lower 50s. East winds around 5 mph. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 20 percent. .THURSDAY...Showers likely. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Showers likely with a slight chance of thunderstorms. Lows in the upper 50s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 50s. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs in the upper 60s. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ ILZ033-290300- Iroquois- Including the cities of Watseka and Gilman 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning then clearing. Widespread dense fog early in the morning. Highs in the upper 70s. North winds around 5 mph. .TONIGHT...Mostly clear. Lows in the lower 50s. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. South winds around 5 mph. .WEDNESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 20 percent. .THURSDAY...Mostly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Temperature falling into the lower 70s in the afternoon. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ INZ010-290300- Newton- Including the cities of Roselawn, Kentland, and Morocco 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning then clearing. Widespread dense fog early in the morning. Highs in the mid 70s. North winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 50. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 20 percent. .THURSDAY...Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Temperature falling into the lower 70s in the afternoon. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 30 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ INZ011-290300- Jasper- Including the cities of Rensselaer and DeMotte 716 AM CDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Partly cloudy in the morning then clearing. Widespread dense fog early in the morning. Highs in the mid 70s. North winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 20 percent. .THURSDAY...Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Temperature falling into the lower 70s in the afternoon. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Partly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 30 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. .SUNDAY...Partly cloudy. Highs in the upper 60s. $$ INZ019-290300- Benton- Including the cities of Fowler and Oxford 816 AM EDT Mon Sep 28 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Widespread dense fog early in the morning. Highs in the mid 70s. North winds around 5 mph. .TONIGHT...Mostly clear. Lows in the lower 50s. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly sunny. Highs in the upper 70s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Southeast winds around 5 mph. .WEDNESDAY...Partly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 60s. .THURSDAY...Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs around 80. Temperature falling into the lower 70s in the afternoon. Chance of precipitation 60 percent. .THURSDAY NIGHT...Showers likely with a slight chance of thunderstorms. Lows in the upper 50s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the lower 50s. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 30 percent. .SATURDAY NIGHT...Mostly cloudy. Lows in the mid 50s. .SUNDAY...Partly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 30 percent. $$