


Zone Forecast Product
Issued by NWS Central Illinois
Issued by NWS Central Illinois
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233 FPUS53 KILX 181137 ZFPILX Zone Forecasts National Weather Service Lincoln IL 636 AM CDT Mon Aug 18 2025 ILZ027-181900- Knox- Including the city of Galesburg 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 104 this afternoon. .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. .TUESDAY NIGHT...Partly cloudy. Humid with lows in the upper 60s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows around 60. Highs in the lower 80s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 80s. Lows in the mid 50s. .SUNDAY...Sunny. Highs in the mid 70s. $$ ILZ028-181900- Stark- Including the city of Toulon 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 100 this afternoon. .TONIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. West winds around 5 mph, becoming northwest in the afternoon. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 60. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows in the upper 50s. .FRIDAY...Sunny. Highs in the lower 80s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 80s. Lows in the mid 50s. .SUNDAY...Sunny. Highs in the mid 70s. $$ ILZ030-181900- Marshall- Including the city of Lacon 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 80s. Southeast winds 5 to 10 mph, becoming south this afternoon. Chance of rain 50 percent. Heat index values up to 100. .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. Humid with lows in the upper 60s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows around 60. .FRIDAY...Sunny. Highs in the lower 80s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 80s. Lows in the mid 50s. .SUNDAY...Sunny. Highs in the mid 70s. $$ ILZ029-181900- Peoria- Including the city of Peoria 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 105 this afternoon. .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. .TUESDAY NIGHT...Partly cloudy. Humid with lows in the upper 60s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows in the lower 60s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the mid 70s. $$ ILZ031-181900- Woodford- Including the city of Eureka 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs around 90. South winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 104 this afternoon. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. .TUESDAY NIGHT...Partly cloudy. Humid with lows in the upper 60s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows in the lower 60s. .FRIDAY...Sunny. Highs in the lower 80s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 80s. Lows in the mid 50s. .SUNDAY...Sunny. Highs in the mid 70s. $$ ILZ036-181900- Fulton- Including the city of Canton 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 107 this afternoon. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 101 in the afternoon. .TUESDAY NIGHT...Partly cloudy. Humid with lows in the upper 60s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Humid with highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows in the lower 60s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 70s. $$ ILZ037-181900- Tazewell- Including the city of Pekin 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 105. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds around 5 mph, becoming west in the afternoon. Chance of rain 40 percent. Heat index values up to 101 in the afternoon. .TUESDAY NIGHT...Partly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows in the lower 60s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ038-181900- McLean- Including the cities of Bloomington and Normal 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A chance of showers and thunderstorms this afternoon. Highs around 90. South winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 102. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. Humid with lows in the upper 60s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY...Sunny. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows in the lower 60s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the lower 80s. Lows in the lower 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 70s. $$ ILZ040-181900- Schuyler- Including the city of Rushville 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106 this afternoon. .TONIGHT...Partly cloudy with a chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 40 percent. Heat index values up to 101 in the afternoon. .TUESDAY NIGHT...Partly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ041-181900- Mason- Including the city of Havana 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 106. .TONIGHT...Partly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 40 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Humid with highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows in the lower 60s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ047-181900- Cass- Including the city of Beardstown 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106 this afternoon. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .TUESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 40 percent. Heat index values up to 101 in the afternoon. .TUESDAY NIGHT...Partly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. .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...Clear. Lows in the lower 60s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ048-181900- Menard- Including the city of Petersburg 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 105. .TONIGHT...Partly cloudy with a chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .TUESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows in the lower 60s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ042-181900- Logan- Including the city of Lincoln 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 104. .TONIGHT...Partly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ043-181900- De Witt- Including the city of Clinton 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs around 90. Southeast winds 5 to 10 mph, becoming south this afternoon. Chance of rain 20 percent. Heat index values up to 102. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ049-181900- Scott- Including the city of Winchester 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Sunny. Highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 106. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 30 percent. .TUESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 40 percent. Heat index values up to 100 in the afternoon. .TUESDAY NIGHT...Partly cloudy. Humid with lows in the lower 70s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. .THURSDAY...Mostly sunny. Highs in the lower 80s. .THURSDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. .SUNDAY...Sunny. Highs in the upper 70s. $$ ILZ050-181900- Morgan- Including the city of Jacksonville 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Sunny. Highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 104. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .TUESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. .THURSDAY NIGHT...Clear. Lows in the lower 60s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ051-181900- Sangamon- Including the city of Springfield 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 104. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .TUESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. Humid with lows in the lower 70s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. .SUNDAY...Sunny. Highs in the upper 70s. $$ ILZ053-181900- Macon- Including the city of Decatur 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 104. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. .TUESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the lower 70s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ044-181900- Piatt- Including the city of Monticello 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southeast winds 5 to 10 mph, becoming south this afternoon. Chance of rain 20 percent. Heat index values up to 103. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. Northeast winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ045-181900- Champaign- Including the cities of Champaign and Urbana 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs around 90. Southeast winds 5 to 10 mph, becoming south this afternoon. Chance of rain 20 percent. Heat index values up to 101. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs around 90. Southwest winds around 5 mph, becoming west in the afternoon. Chance of rain 50 percent. Heat index values up to 101. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. North winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ046-181900- Vermilion- Including the city of Danville 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Partly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs around 90. Southeast winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly sunny with a chance of showers and thunderstorms. Humid with highs around 90. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Partly sunny. Highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs around 80. $$ ILZ052-181900- Christian- Including the city of Taylorville 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 104. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs around 90. Southwest winds around 5 mph. Chance of rain 40 percent. Heat index values up to 101. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the lower 70s. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ061-181900- Shelby- Including the city of Shelbyville 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. South winds around 5 mph. Heat index values up to 103. .TONIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs around 90. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Humid with lows around 70. North winds around 5 mph. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. $$ ILZ054-181900- Moultrie- Including the city of Sullivan 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. South winds around 5 mph. Heat index values up to 103. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs around 90. Southwest winds around 5 mph, becoming west in the afternoon. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs around 80. $$ ILZ055-181900- Douglas- Including the city of Tuscola 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Patchy fog this morning. Mostly sunny. Highs in the lower 90s. Southeast winds around 5 mph. Heat index values up to 102. .TONIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs around 90. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows around 70. North winds around 5 mph. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. $$ ILZ056-181900- Coles- Including the cities of Charleston and Mattoon 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. Southeast winds around 5 mph. Heat index values up to 102. .TONIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Humid with lows around 70. North winds around 5 mph. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. .SUNDAY...Sunny. Highs around 80. $$ ILZ057-181900- Edgar- Including the city of Paris 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Patchy fog this morning. Mostly sunny. Highs around 90. Southeast winds around 5 mph. Heat index values up to 100. .TONIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Humid with lows around 70. North winds around 5 mph. Chance of rain 50 percent. .WEDNESDAY...Partly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 60s. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. $$ ILZ062-181900- Cumberland- Including the city of Greenup 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. Southeast winds around 5 mph. Heat index values up to 101. .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 40 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. North winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows in the mid 60s. Highs in the mid 80s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. $$ ILZ063-181900- Clark- Including the city of Marshall 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs around 90. Southeast winds around 5 mph. .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. North winds around 5 mph. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. .THURSDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .SUNDAY...Sunny. Highs around 80. $$ ILZ066-181900- Effingham- Including the city of Effingham 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. Southeast winds around 5 mph. Heat index values up to 102. .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Light and variable winds. Chance of rain 20 percent. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 101. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. North winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. .SUNDAY...Sunny. Highs around 80. $$ ILZ067-181900- Jasper- Including the city of Newton 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. Southeast winds around 5 mph. Heat index values up to 101. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds around 5 mph. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 102. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Highs in the mid 80s. .SUNDAY...Sunny. Highs around 80. $$ ILZ068-181900- Crawford- Including the city of Robinson 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. Southeast winds around 5 mph. Heat index values up to 100. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds around 5 mph. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Highs in the mid 80s. .FRIDAY...Sunny. Highs in the mid 80s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. .SUNDAY...Sunny. Highs in the lower 80s. $$ ILZ071-181900- Clay- Including the city of Flora 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. Southeast winds around 5 mph. Heat index values up to 102. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 102. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. .SUNDAY...Sunny. Highs around 80. $$ ILZ072-181900- Richland- Including the city of Olney 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. Southeast winds around 5 mph. Heat index values up to 102. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds around 5 mph. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 103. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the upper 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 80s. .FRIDAY NIGHT...Clear. Lows in the mid 60s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the mid 80s. Lows in the lower 60s. .SUNDAY...Sunny. Highs in the lower 80s. $$ ILZ073-181900- Lawrence- Including the city of Lawrenceville 636 AM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... .TODAY...Mostly sunny. Highs in the lower 90s. East winds around 5 mph. Heat index values up to 102. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. East winds around 5 mph. .TUESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 30 percent. Heat index values up to 102. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. Humid with highs in the upper 80s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 60s. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 80s. Lows in the mid 60s. .FRIDAY NIGHT...Clear. Lows in the mid 60s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the upper 80s. Lows in the lower 60s. .SUNDAY...Sunny. Highs in the lower 80s. $$