Zone Forecast Product
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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849 FPUS53 KLOT 161107 ZFPLOT Zone Forecast Product National Weather Service Chicago/Romeoville, IL 606 AM CDT Sun Aug 16 2026 ILZ104-170200- Central Cook- Including the cities of Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. A slight chance of showers early in the morning. A slight chance of showers in the afternoon. A slight chance of thunderstorms late. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .TONIGHT...Mostly cloudy. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs in the lower 80s inland, but only in the mid 70s near the lake. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ103-170200- Northern Cook- Including the cities of Evanston, Des Plaines, Schaumburg, Palatine, and Northbrook 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers early in the morning. A slight chance of showers in the afternoon. Highs in the mid 80s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. North winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs in the lower 80s inland, but only in the upper 70s near the lake. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 30 percent. .TUESDAY NIGHT...Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the mid 60s. Chance of precipitation 60 percent. .WEDNESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows around 60. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ105-170200- Southern Cook- Including the cities of Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. A slight chance of showers early in the morning. A slight chance of showers early in the afternoon, then a chance of showers and a slight chance of thunderstorms late. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .TUESDAY NIGHT...Mostly cloudy with a 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. .WEDNESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows around 60. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows around 60. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ006-170200- Lake IL- Including the cities of Waukegan, Buffalo Grove, Mundelein, and Gurnee 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers early in the morning. A slight chance of showers in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy. Lows in the mid 60s. North winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. Northeast winds 5 to 10 mph, becoming northwest in the afternoon. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph, increasing to west 10 to 15 mph in the afternoon. Chance of precipitation 40 percent. .TUESDAY NIGHT...Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the mid 60s. Chance of precipitation 60 percent. .WEDNESDAY...Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ005-170200- McHenry- Including the cities of Crystal Lake, Algonquin, McHenry, and Woodstock 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy. Lows in the mid 60s. North winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. Northeast winds 5 to 10 mph, becoming northwest in the afternoon. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph, increasing to west 10 to 15 mph in the afternoon. Chance of precipitation 50 percent. .TUESDAY NIGHT...Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of precipitation 60 percent. .WEDNESDAY...Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ012-170200- Kane- Including the cities of Aurora and Elgin 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Areas of fog early in the morning. A slight chance of showers in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy. Lows in the mid 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph, increasing to west 10 to 15 mph in the afternoon. Chance of precipitation 40 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ013-170200- DuPage- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers in the afternoon. A slight chance of thunderstorms late. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs in the lower 80s. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 60. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows around 60. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ020-170200- Kendall- Including the cities of Oswego, Yorkville, and Plano 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers in the afternoon. A slight chance of thunderstorms late. Highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. $$ ILZ106-170200- Northern Will- Including the cities of Joliet, Bolingbrook, Plainfield, and Mokena 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers early in the morning. A slight chance of showers in the afternoon. A slight chance of thunderstorms late. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ107-170200- Southern Will- Including the cities of Channahon, Manhattan, and Wilmington 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. A slight chance of showers early in the morning. A chance of showers and a slight chance of thunderstorms late. Highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ108-170200- Eastern Will- Including the cities of Crete, Peotone, and Beecher 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. A slight chance of showers early in the morning. A chance of showers and a slight chance of thunderstorms late. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy. Humid with lows in the upper 60s. Northwest winds around 10 mph, becoming north after midnight. .MONDAY...Partly cloudy. Highs in the upper 70s. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .TUESDAY NIGHT...Mostly cloudy with a 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. .WEDNESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy. Lows around 60. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. $$ INZ001-170200- Lake IN- Including the cities of Gary, Hammond, and Merrillville 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. A slight chance of showers in the morning. A chance of showers and a slight chance of thunderstorms late. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms early in the evening. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph, becoming north after midnight. Chance of precipitation 20 percent. .MONDAY...Partly cloudy. Highs in the upper 70s. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph, becoming southwest after midnight. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy. Lows around 60. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ INZ002-170200- Porter- Including the cities of Portage, Valparaiso, and Chesterton 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. A chance of showers early in the morning, then a slight chance of showers late in the morning. A chance of showers and a slight chance of thunderstorms late. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 40 percent. .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms early in the evening. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph, becoming north after midnight. Chance of precipitation 20 percent. .MONDAY...Partly cloudy. Highs in the upper 70s. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph, becoming southwest after midnight. .TUESDAY...Partly cloudy. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy with a 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. .WEDNESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy. Lows around 60. .SATURDAY...Partly cloudy. Highs in the mid 70s. $$ ILZ003-170200- Winnebago- Including the city of Rockford 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers early in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy. Lows in the lower 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent. .TUESDAY NIGHT...Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 70s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...A chance of showers in the evening. Partly cloudy. Lows in the upper 50s. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ004-170200- Boone- Including the city of Belvidere 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy. Lows in the mid 60s. North winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent. .TUESDAY NIGHT...Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 70s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...A chance of showers in the evening. Partly cloudy. Lows around 60. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ008-170200- Ogle- Including the cities of Rochelle, Oregon, and Byron 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Areas of fog early in the morning. A slight chance of showers in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. Northwest winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent. .TUESDAY NIGHT...Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...A chance of showers in the evening. Partly cloudy. Lows around 60. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ011-170200- De Kalb- Including the cities of DeKalb and Sycamore 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Areas of fog early in the morning. A slight chance of showers in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy. Lows in the mid 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph, increasing to west 10 to 15 mph in the afternoon. Chance of precipitation 40 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy in the afternoon. Highs in the upper 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ010-170200- Lee- Including the city of Dixon 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers in the afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs around 80. Northwest winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy in the afternoon. Highs in the upper 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ019-170200- La Salle- Including the cities of Ottawa, Streator, La Salle, Mendota, and Marseilles 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers early in the morning. A slight chance of showers in the afternoon. A slight chance of thunderstorms late. Highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs in the lower 80s. Northwest winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows around 60. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. $$ ILZ021-170200- Grundy- Including the cities of Morris, Coal City, and Minooka 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. A slight chance of showers early in the morning. A slight chance of showers and thunderstorms late. Highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs in the lower 80s. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the upper 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 60. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows around 60. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ032-170200- Livingston- Including the cities of Pontiac, Dwight, and Fairbury 606 AM CDT Sun Aug 16 2026 ...FLOOD WATCH IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Mostly cloudy. A chance of showers and a slight chance of thunderstorms early in the morning. A chance of showers and a slight chance of thunderstorms late. Some thunderstorms may produce heavy rainfall early in the morning. Highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs in the lower 80s. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. West winds around 5 mph, becoming southwest after midnight. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy with a 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. .WEDNESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. $$ ILZ023-170200- Kankakee- Including the cities of Kankakee, Bourbonnais, and Bradley 606 AM CDT Sun Aug 16 2026 .TODAY...Mostly cloudy. A chance of showers early in the morning. A chance of showers and a slight chance of thunderstorms late. Highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 40 percent. .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms early in the evening. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent. .MONDAY...Partly cloudy. Highs around 80. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows around 60. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ039-170200- Ford- Including the cities of Paxton and Gibson City 606 AM CDT Sun Aug 16 2026 ...FLOOD WATCH IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Mostly cloudy. Showers likely and a slight chance of thunderstorms early in the morning, then a slight chance of showers late in the morning. A chance of showers and a slight chance of thunderstorms late. Some thunderstorms may produce heavy rainfall early in the morning. Highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 60 percent. .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms early in the evening. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent. .MONDAY...Partly cloudy. Humid with highs around 80. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest winds around 5 mph, becoming southwest after midnight. .TUESDAY...Partly cloudy. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. $$ ILZ033-170200- Iroquois- Including the cities of Watseka and Gilman 606 AM CDT Sun Aug 16 2026 ...FLOOD WATCH IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Mostly cloudy. A chance of showers and a slight chance of thunderstorms early in the morning, then a slight chance of showers late in the morning. A chance of showers and a slight chance of thunderstorms late. Some thunderstorms may produce heavy rainfall early in the morning. Highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. Humid with highs around 80. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds around 5 mph, becoming southwest after midnight. .TUESDAY...Partly cloudy. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows around 60. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ INZ010-170200- Newton- Including the cities of Roselawn, Kentland, and Morocco 606 AM CDT Sun Aug 16 2026 ...FLOOD WATCH IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Mostly cloudy. A chance of showers and a slight chance of thunderstorms early in the morning, then a slight chance of showers late in the morning. A chance of showers and a slight chance of thunderstorms late. Some thunderstorms may produce heavy rainfall early in the morning. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms late in the evening. Humid with lows in the upper 60s. Northwest winds around 5 mph. Chance of precipitation 30 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows around 60. East winds around 5 mph, becoming southwest after midnight. .TUESDAY...Partly cloudy. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy with a 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. .WEDNESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. .FRIDAY...Partly cloudy. Highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$ INZ011-170200- Jasper- Including the cities of Rensselaer and DeMotte 606 AM CDT Sun Aug 16 2026 ...FLOOD WATCH IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Mostly cloudy. A chance of showers and a slight chance of thunderstorms early in the morning, then a slight chance of showers in the late morning and early afternoon. A chance of showers and a slight chance of thunderstorms late. Some thunderstorms may produce heavy rainfall early in the morning. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms late in the evening. Humid with lows in the upper 60s. Northwest winds around 5 mph. Chance of precipitation 30 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows around 60. Northeast winds around 5 mph, becoming southwest after midnight. .TUESDAY...Partly cloudy. Humid with highs around 80. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .THURSDAY...Partly cloudy. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. .FRIDAY...Partly cloudy. Highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. .SATURDAY...Partly cloudy. Highs in the mid 70s. $$ INZ019-170200- Benton- Including the cities of Fowler and Oxford 706 AM EDT Sun Aug 16 2026 ...FLOOD WATCH IN EFFECT UNTIL 11 AM EDT THIS MORNING... .TODAY...Mostly cloudy. Showers likely and a slight chance of thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Highs in the lower 80s. West winds 5 to 10 mph. Chance of precipitation 60 percent. .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms late in the evening. Humid with lows in the upper 60s. Northwest winds around 5 mph. Chance of precipitation 30 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. Humid with highs in the upper 70s. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast winds around 5 mph, becoming southwest after midnight. .TUESDAY...Partly cloudy. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 70 percent. .WEDNESDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 50s. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Partly cloudy. Highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$