Zone Forecast Product
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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854 FPUS53 KLOT 220457 ZFPLOT Zone Forecast Product National Weather Service Chicago/Romeoville, IL 1156 PM CDT Fri Aug 21 2026 ILZ104-221200- Central Cook- Including the cities of Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A slight chance of showers and thunderstorms late in the evening. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy. A slight chance of thunderstorms with isolated showers in the afternoon. Highs around 80. Northwest winds 10 to 15 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 60. North winds 5 to 10 mph, becoming west after midnight. .MONDAY...Partly cloudy. Highs in the upper 70s inland, but only in the lower 70s near the lake. .MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ103-221200- Northern Cook- Including the cities of Evanston, Des Plaines, Schaumburg, Palatine, and Northbrook 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. Lows in the mid 60s. West winds 5 to 10 mph. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs in the upper 70s inland, but only in the lower 70s near the lake. .MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ105-221200- Southern Cook- Including the cities of Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening. Lows in the mid 60s. Southwest winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. North winds around 5 mph, becoming west after midnight. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. Lows around 60. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ006-221200- Lake IL- Including the cities of Waukegan, Buffalo Grove, Mundelein, and Gurnee 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds 5 to 10 mph, becoming west after midnight. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Scattered showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 30 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then clearing. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ005-221200- McHenry- Including the cities of Crystal Lake, Algonquin, McHenry, and Woodstock 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds 5 to 10 mph, becoming northwest after midnight. .SATURDAY...Mostly sunny. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then clearing. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ012-221200- Kane- Including the cities of Aurora and Elgin 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds 5 to 10 mph, becoming west after midnight. .SATURDAY...Mostly sunny. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 80. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ013-221200- DuPage- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms late in the evening. Lows in the lower 60s. West winds around 5 mph. Chance of precipitation 20 percent. .SATURDAY...Mostly sunny. A slight chance of thunderstorms with isolated showers in the afternoon. Highs around 80. Northwest winds 10 to 15 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows around 60. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows around 60. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ020-221200- Kendall- Including the cities of Oswego, Yorkville, and Plano 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms late in the evening. Lows in the lower 60s. West winds around 5 mph. Chance of precipitation 20 percent. .SATURDAY...Mostly sunny. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs in the lower 80s. $$ ILZ106-221200- Northern Will- Including the cities of Joliet, Bolingbrook, Plainfield, and Mokena 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms late in the evening. Lows in the lower 60s. West winds around 5 mph. Chance of precipitation 20 percent. .SATURDAY...Mostly sunny. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ107-221200- Southern Will- Including the cities of Channahon, Manhattan, and Wilmington 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening. Lows in the lower 60s. West winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs in the lower 80s. $$ ILZ108-221200- Eastern Will- Including the cities of Crete, Peotone, and Beecher 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening. Lows in the lower 60s. Southwest winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. North winds around 5 mph, becoming southwest after midnight. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 80. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ INZ001-221200- Lake IN- Including the cities of Gary, Hammond, and Merrillville 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 10 to 15 mph, becoming north 5 to 10 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds 5 to 10 mph, becoming southwest after midnight. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 80. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ INZ002-221200- Porter- Including the cities of Portage, Valparaiso, and Chesterton 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy in the morning, then clearing. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s inland, but only in the lower 70s near the lake. Northwest winds 10 to 15 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 60. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds 5 to 10 mph, becoming southwest after midnight. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. .TUESDAY...Partly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 80. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs in the upper 70s. $$ ILZ003-221200- Winnebago- Including the city of Rockford 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Partly cloudy. Lows around 60. Southwest winds around 5 mph, becoming northwest after midnight. .SATURDAY...Mostly sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to 10 mph. .SUNDAY...Sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 20 percent. .TUESDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then clearing. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows around 60. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 60. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ004-221200- Boone- Including the city of Belvidere 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. Lows around 60. Southwest winds around 5 mph, becoming northwest after midnight. .SATURDAY...Mostly sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Northwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 60. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ008-221200- Ogle- Including the cities of Rochelle, Oregon, and Byron 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening then clearing. Lows around 60. Southwest winds around 5 mph, becoming northwest after midnight. .SATURDAY...Mostly sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Northwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 20 percent. .TUESDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ011-221200- De Kalb- Including the cities of DeKalb and Sycamore 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. Lows in the lower 60s. West winds 5 to 10 mph. .SATURDAY...Mostly sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ010-221200- Lee- Including the city of Dixon 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening then clearing. Lows in the lower 60s. Southwest winds around 5 mph, becoming northwest after midnight. .SATURDAY...Mostly sunny. Highs around 80. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph with gusts up to 25 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ ILZ019-221200- La Salle- Including the cities of Ottawa, Streator, La Salle, Mendota, and Marseilles 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms late in the evening. Lows in the lower 60s. West winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY...Mostly sunny. A slight chance of thunderstorms with isolated showers late. Highs around 80. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Northwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows around 60. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. .FRIDAY...Partly cloudy. Highs in the lower 80s. $$ ILZ021-221200- Grundy- Including the cities of Morris, Coal City, and Minooka 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. A chance of showers and thunderstorms late in the evening. Lows in the lower 60s. West winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Mostly sunny. A slight chance of thunderstorms with isolated showers in the afternoon. Highs around 80. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows around 60. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .FRIDAY...Partly cloudy. Highs in the lower 80s. $$ ILZ032-221200- Livingston- Including the cities of Pontiac, Dwight, and Fairbury 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy late in the evening, then becoming partly cloudy. A chance of showers and thunderstorms late in the evening. Near steady temperature in the mid 60s. West winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Mostly sunny. A slight chance of thunderstorms with isolated showers late. Highs around 80. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows around 60. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs around 80. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs in the lower 80s. $$ ILZ023-221200- Kankakee- Including the cities of Kankakee, Bourbonnais, and Bradley 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening. Lows in the lower 60s. Southwest winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph, becoming west after midnight. .MONDAY...Partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs in the lower 80s. $$ ILZ039-221200- Ford- Including the cities of Paxton and Gibson City 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening, then a slight chance of showers and thunderstorms after midnight. Near steady temperature in the mid 60s. Southwest winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy in the morning, then becoming mostly sunny. A slight chance of thunderstorms with isolated showers late. Highs around 80. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. $$ ILZ033-221200- Iroquois- Including the cities of Watseka and Gilman 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Southwest winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy in the morning, then clearing. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .THURSDAY...Mostly sunny. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. $$ INZ010-221200- Newton- Including the cities of Roselawn, Kentland, and Morocco 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Southwest winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy in the morning, then clearing. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. North winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy. Highs around 80. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ INZ011-221200- Jasper- Including the cities of Rensselaer and DeMotte 1156 PM CDT Fri Aug 21 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Southwest winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Mostly cloudy in the morning, then clearing. A slight chance of thunderstorms with isolated showers in the afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. North winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy. Highs around 80. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Partly cloudy. Highs around 80. $$ INZ019-221200- Benton- Including the cities of Fowler and Oxford 1256 AM EDT Sat Aug 22 2026 .OVERNIGHT...Mostly cloudy. A chance of showers and thunderstorms late in the evening. Near steady temperature in the mid 60s. Southwest winds around 5 mph. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy in the morning, then clearing. A slight chance of thunderstorms with isolated showers late. Highs in the upper 70s. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Partly cloudy. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. .WEDNESDAY...Mostly cloudy. Highs around 80. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. $$