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Warrensburg, IL Weather Forecast
Warrensburg, IL Weather Forecast Date: 127 AM CDT Sat Sep 12 2026
The area/counties/county of: Macon, including the city of Decatur.or toggle through each period.
Rest of Tonight... Mostly clear. Near steady temperature in the upper 60s. South winds around 5 mph.
Saturday... Sunny. Highs in the upper 80s. West winds 5 to 10 mph.
Saturday Night... Partly cloudy. Lows in the mid 60s. North winds around 5 mph.
Sunday... Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the lower 80s. North winds around 5 mph, increasing to 10 to 15 mph in the afternoon. Chance of rain 30%.
Sunday Night... A chance of showers in the evening. Mostly cloudy. Lows in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 40%.
Monday... Mostly sunny. Highs in the lower 80s.
Monday Night... Mostly clear. Lows in the mid 60s. Highs in the lower 90s.
Tuesday... Mostly clear. Lows in the mid 60s. Highs in the lower 90s.
Tuesday Night... Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50%.
Wednesday... Partly cloudy. A chance of showers. Highs in the lower 90s. Lows in the upper 60s. Chance of rain 50%.
Wednesday Night... Partly cloudy. A chance of showers. Highs in the lower 90s. Lows in the upper 60s. Chance of rain 50%.
Thursday... Partly sunny. A chance of showers in the morning. Highs in the mid 80s. Chance of rain 50%.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 30%.
POP = Probability of Precipitation
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