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Macon, IL Weather Forecast
Macon, IL Weather Forecast Date: 937 PM CST Mon Mar 02 2026
The area/counties/county of: Macon, including the city of Decatur.or toggle through each period.
Rest of Tonight... Cloudy. Rain likely. Patchy fog. Near steady temperature in the upper 30s. East winds 5 to 10 mph. Chance of rain 70%.
Tuesday... Showers. A slight chance of thunderstorms in the afternoon. Highs around 50. East winds around 5 mph. Chance of rain near 100%.
Tuesday Night... Showers. Patchy fog. A chance of thunderstorms after midnight. Near steady temperature in the mid 40s. East winds 5 to 10 mph. Chance of rain 90%.
Wednesday... Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 50s. East winds around 10 mph, becoming southeast in the afternoon. Chance of rain 80%.
Wednesday Night... A chance of thunderstorms in the evening. Showers. Near steady temperature in the mid 50s. South winds 5 to 10 mph. Chance of rain 80%.
Thursday... Cloudy in the morning, then becoming partly sunny. Showers, mainly in the morning. Highs in the mid 60s. Chance of rain 80%.
Thursday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows around 50. Chance of rain 40%.
Friday... Mostly cloudy. Showers likely, mainly in the morning. Not as cool with highs in the mid 70s. Chance of rain 70%.
Friday Night... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the upper 50s. Chance of rain 80%.
Saturday... Cloudy. Showers likely, mainly in the morning. Highs in the upper 60s. Chance of rain 70%.
Saturday Night... Mostly cloudy. Lows in the mid 40s. Highs in the lower 60s.
Sunday... Mostly cloudy. Lows in the mid 40s. Highs in the lower 60s.
POP = Probability of Precipitation
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