Zone Forecast Product
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
477 FPUS53 KLOT 210810 ZFPLOT Zone Forecast Product National Weather Service Chicago/Romeoville, IL 310 AM CDT Thu Aug 21 2025 ILZ104-212315- Central Cook- Including the cities of Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 310 AM CDT Thu Aug 21 2025 .TODAY...Partly sunny in the morning then clearing. Highs in the lower 70s. Northeast winds 10 to 15 mph. .TONIGHT...Mostly clear. Lows in the lower 60s. North winds 5 to 10 mph. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. North winds around 5 mph, becoming northeast in the afternoon. .FRIDAY NIGHT...Partly cloudy early in the evening, then becoming mostly cloudy. Lows in the upper 60s. South winds around 5 mph, becoming west after midnight. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. .MONDAY...Partly cloudy. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the mid 50s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s in the suburbs to the upper 50s downtown. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ103-212315- Northern Cook- Including the cities of Evanston, Des Plaines, Schaumburg, Palatine, and Northbrook 310 AM CDT Thu Aug 21 2025 .TODAY...Partly sunny in the morning, then becoming mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the lower 60s. Northeast winds 5 to 10 mph, becoming north after midnight. .FRIDAY...Mostly sunny through mid morning, then becoming partly cloudy. Highs around 80 inland, but only in the mid 70s near the lake. North winds around 5 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Partly cloudy early in the evening, then becoming mostly cloudy. Lows in the upper 60s. South winds around 5 mph, becoming west after midnight. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. .MONDAY...Partly cloudy. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ105-212315- Southern Cook- Including the cities of Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 310 AM CDT Thu Aug 21 2025 .TODAY...Partly sunny in the morning then clearing. Highs in the lower 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Lows in the lower 60s. North winds 5 to 10 mph. .FRIDAY...Increasing cloudiness. Highs in the upper 70s. North winds around 5 mph. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. South winds around 5 mph, becoming southwest after midnight. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ006-212315- Lake IL- Including the cities of Waukegan, Buffalo Grove, Mundelein, and Gurnee 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows around 60. Northeast winds 5 to 10 mph, becoming northwest after midnight. .FRIDAY...Mostly sunny through mid morning, then becoming partly cloudy. Highs around 80 inland, but only in the mid 70s near the lake. Northwest winds around 5 mph, becoming south in the afternoon. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. South winds around 5 mph, becoming west after midnight. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy through mid afternoon, then becoming mostly sunny. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Partly cloudy. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows around 50. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ005-212315- McHenry- Including the cities of Crystal Lake, Algonquin, McHenry, and Woodstock 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming sunny. Patchy fog through mid morning. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the upper 50s. Northeast winds 5 to 10 mph, becoming north after midnight. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Patchy fog through mid morning. Highs in the upper 70s. West winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. West winds around 5 mph. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy through mid afternoon, then becoming mostly sunny. Highs around 80. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows around 50. .MONDAY...Partly cloudy. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the upper 60s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ ILZ012-212315- Kane- Including the cities of Aurora and Elgin 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Patchy fog through mid morning. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Patchy fog after midnight. Lows around 60. Northeast winds 5 to 10 mph, becoming north after midnight. .FRIDAY...Mostly sunny through mid morning, then becoming partly cloudy. Patchy fog through mid morning. Highs in the upper 70s. Northwest winds around 5 mph, becoming west in the afternoon. .FRIDAY NIGHT...Mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ013-212315- DuPage- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the lower 60s. North winds 5 to 10 mph. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. Northwest winds around 5 mph, becoming southwest in the afternoon. .FRIDAY NIGHT...Partly cloudy early in the evening, then becoming mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Partly cloudy. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ020-212315- Kendall- Including the cities of Oswego, Yorkville, and Plano 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy through mid afternoon, then becoming sunny. Patchy fog through mid morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph, becoming north after midnight. .FRIDAY...Partly cloudy. Patchy fog through mid morning. Highs around 80. Light and variable winds, becoming west around 5 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy early in the evening, then becoming mostly cloudy. Lows in the mid 60s. West winds around 5 mph. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ106-212315- Northern Will- Including the cities of Joliet, Bolingbrook, Plainfield, and Mokena 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Lows in the lower 60s. North winds 5 to 10 mph. .FRIDAY...Increasing cloudiness. Highs in the upper 70s. Northwest winds around 5 mph, becoming west in the afternoon. .FRIDAY NIGHT...Partly cloudy early in the evening, then becoming mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows around 50. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ107-212315- Southern Will- Including the cities of Channahon, Manhattan, and Wilmington 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy through mid morning, then clearing. Patchy fog through mid morning. Highs around 80. Light and variable winds, becoming northwest around 5 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy early in the evening, then becoming mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ108-212315- Eastern Will- Including the cities of Crete, Peotone, and Beecher 310 AM CDT Thu Aug 21 2025 .TODAY...Partly sunny in the morning, then becoming mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. North winds 5 to 10 mph. .FRIDAY...Decreasing cloudiness. Patchy fog through mid morning. Highs in the upper 70s. North winds around 5 mph. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. North winds around 5 mph, becoming southwest after midnight. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs around 70. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ INZ001-212315- Lake IN- Including the cities of Gary, Hammond, and Merrillville 310 AM CDT Thu Aug 21 2025 .TODAY...Partly sunny in the morning then clearing. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. North winds 5 to 10 mph. .FRIDAY...Mostly sunny. Patchy fog through mid morning. Highs in the upper 70s. North winds around 5 mph. .FRIDAY NIGHT...Increasing cloudiness. Lows in the mid 60s. Northwest winds around 5 mph, becoming southwest after midnight. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. .TUESDAY...Mostly sunny. Highs around 70. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ INZ002-212315- Porter- Including the cities of Portage, Valparaiso, and Chesterton 310 AM CDT Thu Aug 21 2025 .TODAY...Partly sunny in the morning then clearing. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. .FRIDAY...Mostly sunny. Patchy fog through mid morning. Highs in the upper 70s. Southwest winds around 5 mph, becoming north in the afternoon. .FRIDAY NIGHT...Increasing cloudiness. Lows in the lower 60s. Northwest winds around 5 mph, becoming southwest after midnight. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs around 80. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. .MONDAY...Partly cloudy. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. .TUESDAY...Mostly sunny. Highs around 70. .TUESDAY NIGHT...Mostly clear. Lows around 50. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ ILZ003-212315- Winnebago- Including the city of Rockford 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy through mid afternoon, then becoming mostly sunny. Patchy fog through mid morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 50s. East winds around 5 mph. .FRIDAY...Increasing cloudiness. Patchy fog through mid morning. Highs in the upper 70s. West winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy in the morning, then becoming mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs around 70. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ ILZ004-212315- Boone- Including the city of Belvidere 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy through mid afternoon, then becoming mostly sunny. Patchy fog through mid morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 50s. East winds around 5 mph. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Patchy fog through mid morning. Highs in the upper 70s. West winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. West winds around 5 mph. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy in the morning, then becoming mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. .MONDAY...Partly cloudy. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the upper 60s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ ILZ008-212315- Ogle- Including the cities of Rochelle, Oregon, and Byron 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Patchy fog through mid morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Clear through the early overnight, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 50s. East winds 5 to 10 mph. .FRIDAY...Increasing cloudiness. Patchy fog through mid morning. Highs in the upper 70s. West winds around 5 mph. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy through mid afternoon, then becoming mostly sunny. Highs in the lower 80s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows around 50. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ011-212315- De Kalb- Including the cities of DeKalb and Sycamore 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy through mid morning, then becoming mostly sunny. Patchy fog through mid morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the upper 50s. Northeast winds 5 to 10 mph. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Patchy fog through mid morning. Highs in the upper 70s. Light and variable winds, becoming west around 5 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows around 50. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs around 70. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ010-212315- Lee- Including the city of Dixon 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Patchy fog through mid morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the upper 50s. East winds 5 to 10 mph. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Patchy fog through mid morning. Highs in the upper 70s. Light and variable winds, becoming west around 5 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. West winds around 5 mph. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy through mid afternoon, then becoming mostly sunny. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows around 50. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ019-212315- La Salle- Including the cities of Ottawa, Streator, La Salle, Mendota, and Marseilles 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Patchy fog through mid morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Patchy fog after midnight. Lows around 60. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy. Patchy fog through mid morning. Highs around 80. Light and variable winds. .FRIDAY NIGHT...Partly cloudy early in the evening, then becoming mostly cloudy. Lows in the mid 60s. Light and variable winds, becoming west around 5 mph after midnight. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning. Highs in the lower 80s. West winds 5 to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Partly cloudy. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ021-212315- Grundy- Including the cities of Morris, Coal City, and Minooka 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy through mid afternoon, then becoming sunny. Patchy fog through mid morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph, becoming north after midnight. .FRIDAY...Partly cloudy. Patchy fog through mid morning. Highs around 80. Light and variable winds, becoming northwest around 5 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy early in the evening, then becoming mostly cloudy. Lows in the mid 60s. Light and variable winds, becoming west around 5 mph after midnight. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ032-212315- Livingston- Including the cities of Pontiac, Dwight, and Fairbury 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy through mid afternoon, then becoming mostly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear through the early overnight, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy in the morning, then becoming mostly sunny. Patchy fog through mid morning. Highs around 80. Light and variable winds, becoming northeast around 5 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy through mid morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ023-212315- Kankakee- Including the cities of Kankakee, Bourbonnais, and Bradley 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy through mid morning, then becoming mostly sunny. Patchy fog through mid morning. Highs around 80. Light and variable winds, becoming north around 5 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Northwest winds around 5 mph, becoming southwest after midnight. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ ILZ039-212315- Ford- Including the cities of Paxton and Gibson City 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy through mid morning, then becoming mostly sunny. Patchy fog through mid morning. Highs around 80. Northeast winds around 5 mph. .FRIDAY NIGHT...Partly cloudy through the early overnight, then becoming mostly cloudy. Lows in the lower 60s. Northwest winds around 5 mph, becoming west after midnight. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ ILZ033-212315- Iroquois- Including the cities of Watseka and Gilman 310 AM CDT Thu Aug 21 2025 .TODAY...Partly cloudy through mid afternoon, then becoming mostly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy through mid morning, then becoming mostly sunny. Patchy fog through mid morning. Highs around 80. Northeast winds around 5 mph. .FRIDAY NIGHT...Partly cloudy through the early overnight, then becoming mostly cloudy. Lows in the lower 60s. Light and variable winds, becoming southwest around 5 mph after midnight. .SATURDAY...Mostly cloudy through mid afternoon, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ INZ010-212315- Newton- Including the cities of Roselawn, Kentland, and Morocco 310 AM CDT Thu Aug 21 2025 .TODAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows around 60. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy through mid morning, then becoming mostly sunny. Patchy fog through mid morning. Highs around 80. Light and variable winds, becoming northeast around 5 mph in the afternoon. .FRIDAY NIGHT...Increasing cloudiness. Lows in the lower 60s. Light and variable winds. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ INZ011-212315- Jasper- Including the cities of Rensselaer and DeMotte 310 AM CDT Thu Aug 21 2025 .TODAY...Mostly cloudy in the morning then clearing. Highs in the mid 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows around 60. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy through mid morning, then becoming mostly sunny. Patchy fog through mid morning. Highs in the lower 80s. Light and variable winds, becoming northeast around 5 mph in the afternoon. .FRIDAY NIGHT...Increasing cloudiness. Lows in the lower 60s. North winds around 5 mph in the evening, becoming light and variable. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs around 70. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ INZ019-212315- Benton- Including the cities of Fowler and Oxford 410 AM EDT Thu Aug 21 2025 .TODAY...Partly cloudy. Highs in the upper 70s. Northeast winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy in the morning, then becoming mostly sunny. Patchy fog through mid morning. Highs around 80. Northeast winds around 5 mph. .FRIDAY NIGHT...Increasing cloudiness. Lows in the lower 60s. South winds around 5 mph in the evening, becoming light and variable. .SATURDAY...Mostly cloudy through mid afternoon, then becoming partly cloudy. A chance of sprinkles in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MONDAY...Mostly sunny. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$