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Macon, IL Weather Forecast
Macon, IL Weather Forecast Date: 522 PM CST Thu Nov 05 2026
The area/counties/county of: Macon, including the city of Decatur.or toggle through each period.
Tonight... Cloudy with a slight chance of drizzle. A chance of showers this evening, then a slight chance of rain after midnight. Lows around 40. West winds 5 to 10 mph, becoming north 10 to 15 mph after midnight. Chance of rain 50%.
Friday... Mostly cloudy in the morning, then becoming mostly sunny. Highs around 50. North winds 10 to 15 mph.
Friday Night... Mostly clear. Cooler with lows in the upper 20s. Northwest winds 5 to 10 mph.
Saturday... Sunny. Highs in the lower 50s. Northwest winds around 5 mph.
Saturday Night... Mostly clear. Lows around 30. West winds around 5 mph.
Sunday... Mostly clear. Highs in the lower 60s. Lows in the mid 30s.
Sunday Night... Mostly clear. Highs in the lower 60s. Lows in the mid 30s.
Monday... Sunny. Highs in the mid 60s.
Monday Night... Clear. Lows in the upper 30s. Highs in the mid 60s.
Tuesday... Clear. Lows in the upper 30s. Highs in the mid 60s.
Tuesday Night... Mostly clear. Lows in the upper 30s. Highs in the lower 60s.
Wednesday... Mostly clear. Lows in the upper 30s. Highs in the lower 60s.
POP = Probability of Precipitation
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