Macon, IL 7-Day Night Weather Forecast
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Macon, IL Weather Forecast


Macon, IL Weather Forecast Date: 337 PM CDT Thu Sep 03 2026
The area/counties/county of: Macon, including the city of Decatur.or toggle through each period.
Tonight... Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph.
Friday... Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 104.
Friday Night... Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 20%.
Saturday... Sunny, hot with highs in the mid 90s. West winds around 5 mph, becoming northwest in the afternoon. Heat index values up to 104.
Saturday Night... Mostly clear. Humid with lows in the upper 60s. Northeast winds 5 to 10 mph.
Sunday... Mostly clear. Highs in the upper 80s. Lows in the lower 60s.
Monday... Mostly clear. Highs in the upper 80s. Lows in the lower 60s.
Tuesday... Mostly clear. Highs in the upper 80s. Lows in the lower 60s.
Wednesday... Mostly clear. Highs in the upper 80s. Lows in the lower 60s.
Monday Night... Partly cloudy. Lows in the mid 60s. Highs in the mid 90s.
Tuesday... Partly cloudy. Lows in the mid 60s. Highs in the mid 90s.
Tuesday Night... Mostly clear. Lows in the lower 70s.
Wednesday... Partly cloudy. Hot. Highs in the mid 90s. Lows in the lower 70s.
Wednesday Night... Partly cloudy. Hot. Highs in the mid 90s. Lows in the lower 70s.
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