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Atterbury, IL Weather Forecast
Atterbury, IL Weather Forecast Date: 337 PM CDT Fri Sep 25 2026
The area/counties/county of: Menard, including the city of Petersburg.or toggle through each period.
Tonight... Mostly cloudy. A chance of sprinkles this evening. Lows in the mid 50s. East winds around 5 mph.
Saturday... Partly sunny. Highs in the lower 70s. Southeast winds around 5 mph.
Saturday Night... Mostly cloudy. A chance of showers, mainly in the evening. Lows in the upper 50s. Light and variable winds. Chance of rain 30%.
Sunday... Partly sunny. Highs in the lower 70s. East winds around 5 mph.
Sunday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s. Northeast winds around 5 mph in the evening, becoming light and variable.
Monday... Mostly clear. Highs in the mid 70s. Lows in the mid 50s.
Monday Night... Mostly clear. Highs in the mid 70s. Lows in the mid 50s.
Tuesday... Mostly sunny. Highs in the upper 70s.
Tuesday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 60s.
Wednesday... Showers likely, mainly in the morning. Highs in the mid 70s. Chance of rain 70%.
Wednesday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 60%.
Thursday... Mostly cloudy with a 50% chance of showers. Highs in the mid 70s.
Thursday Night... Mostly cloudy. A chance of showers. Lows in the lower 60s. Highs in the mid 70s. Chance of rain 40%.
POP = Probability of Precipitation
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