Zone Forecast Product
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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902 FPUS53 KLOT 010642 ZFPLOT Zone Forecast Product National Weather Service Chicago/Romeoville, IL 141 AM CDT Tue Sep 1 2026 ILZ104-011400- Central Cook- Including the cities of Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Near steady temperature in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Hot, humid with highs in the lower 90s. Southwest winds around 5 mph, increasing to around 10 mph in the afternoon. Chance of precipitation 20 percent. Heat index values up to 103. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 103. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Isolated showers and thunderstorms after midnight. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs in the upper 80s inland, but only in the lower 80s near the lake. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 30 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s inland, but only in the lower 80s near the lake. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .LABOR DAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs around 80. $$ ILZ103-011400- Northern Cook- Including the cities of Evanston, Des Plaines, Schaumburg, Palatine, and Northbrook 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Near steady temperature in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 104. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Isolated showers and thunderstorms early in the evening. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .WEDNESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 102. .WEDNESDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs in the upper 80s inland, but only in the lower 80s near the lake. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy with scattered showers and thunderstorms in the morning, then mostly cloudy in the afternoon. Highs in the mid 80s. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .LABOR DAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs around 80. $$ ILZ105-011400- Southern Cook- Including the cities of Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 105. .TUESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 104. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs around 90. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .LABOR DAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s. $$ ILZ006-011400- Lake IL- Including the cities of Waukegan, Buffalo Grove, Mundelein, and Gurnee 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Near steady temperature in the mid 70s. West winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Isolated showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 103. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Isolated showers and thunderstorms early in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .WEDNESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 102. .WEDNESDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs in the mid 80s inland, but only in the lower 80s near the lake. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy with scattered showers and thunderstorms in the morning, then mostly cloudy in the afternoon. Highs in the lower 80s. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the mid 80s. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy. Highs in the lower 80s. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s. .LABOR DAY...Mostly cloudy. Highs in the upper 70s. $$ ILZ005-011400- McHenry- Including the cities of Crystal Lake, Algonquin, McHenry, and Woodstock 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Near steady temperature in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Isolated showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 103. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Isolated showers and thunderstorms early in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .WEDNESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 103. .WEDNESDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs in the upper 80s. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the mid 80s. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 70. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Mostly cloudy. Highs in the upper 70s. $$ ILZ012-011400- Kane- Including the cities of Aurora and Elgin 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Near steady temperature in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds around 5 mph, increasing to around 10 mph in the afternoon. Chance of precipitation 20 percent. Heat index values up to 104. .TUESDAY NIGHT...Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 104. .WEDNESDAY NIGHT...Partly cloudy. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs in the upper 80s. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the mid 80s. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs around 80. $$ ILZ013-011400- DuPage- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Hot, humid with highs in the lower 90s. Southwest winds around 5 mph, increasing to around 10 mph in the afternoon. Chance of precipitation 20 percent. Heat index values up to 105. .TUESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 103. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs around 90. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows around 70. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .LABOR DAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs around 80. $$ ILZ020-011400- Kendall- Including the cities of Oswego, Yorkville, and Plano 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Near steady temperature in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 106. .TUESDAY NIGHT...Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 107. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. Southwest winds around 5 mph. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs in the upper 80s. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40 percent. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs in the lower 80s. $$ ILZ106-011400- Northern Will- Including the cities of Joliet, Bolingbrook, Plainfield, and Mokena 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 106. .TUESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 106. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs in the upper 80s. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s. $$ ILZ107-011400- Southern Will- Including the cities of Channahon, Manhattan, and Wilmington 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .TUESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 108. .WEDNESDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Highs around 90. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs around 90. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs around 90. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40 percent. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s. $$ ILZ108-011400- Eastern Will- Including the cities of Crete, Peotone, and Beecher 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 105. .TUESDAY NIGHT...Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Highs around 90. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly clear with isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s. $$ INZ001-011400- Lake IN- Including the cities of Gary, Hammond, and Merrillville 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 105. .TUESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Highs around 90 inland, but only in the mid 80s near the lake. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly clear with isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs around 80. $$ INZ002-011400- Porter- Including the cities of Portage, Valparaiso, and Chesterton 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 105. .TUESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 104. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Highs in the upper 80s inland, but only in the lower 80s near the lake. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly clear with isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the mid 80s. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 30 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs around 80. $$ ILZ003-011400- Winnebago- Including the city of Rockford 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Near steady temperature in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Isolated showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 103. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Humid with lows in the lower 70s. Southwest winds around 5 mph. .WEDNESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 102. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Isolated showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy. Scattered showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. .LABOR DAY...Mostly cloudy. Highs around 80. $$ ILZ004-011400- Boone- Including the city of Belvidere 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Mostly cloudy. Isolated showers and thunderstorms. Near steady temperature in the lower 70s. Light and variable winds. Chance of precipitation 20 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Isolated showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 103. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Isolated showers and thunderstorms early in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .WEDNESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 102. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Isolated showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs in the upper 80s. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the mid 80s. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. .LABOR DAY...Mostly cloudy. Highs in the upper 70s. $$ ILZ008-011400- Ogle- Including the cities of Rochelle, Oregon, and Byron 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Near steady temperature in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Isolated showers and thunderstorms. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 104. .TUESDAY NIGHT...Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph. .WEDNESDAY...Partly cloudy in the morning, then becoming mostly sunny. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 104. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Isolated showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy. Scattered showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly clear in the evening, then partly cloudy with isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Mostly cloudy. Highs in the lower 80s. $$ ILZ011-011400- De Kalb- Including the cities of DeKalb and Sycamore 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Near steady temperature in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 104. .TUESDAY NIGHT...Mostly clear. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 104. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy with scattered showers and thunderstorms. Highs in the upper 80s. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly clear in the evening, then partly cloudy with isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Mostly cloudy. Highs around 80. $$ ILZ010-011400- Lee- Including the city of Dixon 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 104. .TUESDAY NIGHT...Mostly clear. Humid with lows in the lower 70s. South winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Scattered showers and thunderstorms, mainly in the morning. Highs around 90. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent. .SUNDAY...Partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Mostly cloudy. Highs in the lower 80s. $$ ILZ019-011400- La Salle- Including the cities of Ottawa, Streator, La Salle, Mendota, and Marseilles 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy in the morning, then clearing. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 104. .TUESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .WEDNESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy with isolated showers and thunderstorms. Highs in the lower 90s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Mostly sunny with isolated showers and thunderstorms in the morning, then partly cloudy in the afternoon. Highs in the upper 80s. Chance of precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 30 percent. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 90. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 30 percent. .SUNDAY...Partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .LABOR DAY...Partly cloudy. Highs in the lower 80s. $$ ILZ021-011400- Grundy- Including the cities of Morris, Coal City, and Minooka 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .TUESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 109. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 100 early in the evening. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs around 90. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs in the lower 90s. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of precipitation 30 percent. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .LABOR DAY...Partly cloudy. Highs in the mid 80s. $$ ILZ032-011400- Livingston- Including the cities of Pontiac, Dwight, and Fairbury 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph. .TUESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .TUESDAY NIGHT...Clear, humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 108. .WEDNESDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Isolated showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms in the morning. Hot with highs in the lower 90s. Chance of precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Hot with highs in the lower 90s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 70. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs in the mid 80s. $$ ILZ023-011400- Kankakee- Including the cities of Kankakee, Bourbonnais, and Bradley 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .TUESDAY NIGHT...Clear, humid with lows in the lower 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 106. .WEDNESDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Scattered showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Mostly sunny with scattered showers and thunderstorms in the morning, then partly cloudy in the afternoon. Highs in the lower 90s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs around 90. .SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 30 percent. .SUNDAY...Partly cloudy. Highs in the upper 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs in the lower 80s. $$ ILZ039-011400- Ford- Including the cities of Paxton and Gibson City 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Mostly clear. Lows in the lower 70s. Southwest winds 5 to 10 mph. .TUESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 105. .TUESDAY NIGHT...Clear, humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. .THURSDAY...Mostly sunny. Isolated showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms in the morning. Hot with highs in the lower 90s. Chance of precipitation 20 percent. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 90s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs in the mid 80s. $$ ILZ033-011400- Iroquois- Including the cities of Watseka and Gilman 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Mostly clear. Lows in the lower 70s. Southwest winds around 5 mph. .TUESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .TUESDAY NIGHT...Clear, humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Sunny, hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Isolated showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms in the morning. Hot with highs in the lower 90s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the lower 90s. .SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 30 percent. .SUNDAY...Partly cloudy. Highs in the upper 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs in the mid 80s. $$ INZ010-011400- Newton- Including the cities of Roselawn, Kentland, and Morocco 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph. .TUESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 104. .TUESDAY NIGHT...Clear, humid with lows in the lower 70s. Southwest winds around 5 mph. .WEDNESDAY...Sunny, hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 104. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Scattered showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Partly cloudy with scattered showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the lower 90s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 30 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs in the lower 80s. $$ INZ011-011400- Jasper- Including the cities of Rensselaer and DeMotte 141 AM CDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY... .REST OF TONIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 104. .TUESDAY NIGHT...Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 103. .WEDNESDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Scattered showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms in the morning. Highs around 90. Chance of precipitation 40 percent. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 30 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs in the lower 80s. $$ INZ019-011400- Benton- Including the cities of Fowler and Oxford 241 AM EDT Tue Sep 1 2026 ...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM EDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 10 PM EDT WEDNESDAY... .REST OF TONIGHT...Mostly clear. Near steady temperature in the mid 70s. Southwest winds around 5 mph. .TUESDAY...Mostly sunny. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 104. .TUESDAY NIGHT...Clear, humid with lows in the mid 70s. Southwest winds around 5 mph. .WEDNESDAY...Sunny, hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Isolated showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms in the morning. Highs in the lower 90s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy. Highs in the upper 80s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. .SUNDAY...Partly cloudy. Highs in the mid 80s. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. .LABOR DAY...Partly cloudy. Highs in the lower 80s. $$