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Athens, IL 7-Day Night Weather Forecast
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Athens, IL Weather Forecast
Athens, IL Weather Forecast Date: 127 PM CDT Tue Sep 15 2026
The area/counties/county of: Menard, including the city of Petersburg.or toggle through each period.
This Afternoon... Mostly sunny with a chance of showers and thunderstorms. Warmer with highs in the mid 90s. Temperature falling into the upper 80s late. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40%. Heat index values up to 102.
Tonight... Showers, thunderstorms with lows around 70. Northeast winds around 5 mph. Chance of rain 90%.
Wednesday... Mostly cloudy. Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Northeast winds around 5 mph. Chance of rain 80%.
Wednesday Night... Partly cloudy. Humid with lows in the lower 70s. Northeast winds around 5 mph, becoming south after midnight.
Thursday... Partly sunny. A chance of showers in the morning. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 40%.
Thursday Night... Partly cloudy. Lows in the upper 60s. Highs around 90.
Friday... Partly cloudy. Lows in the upper 60s. Highs around 90.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 70.
Saturday... Partly sunny. Highs in the lower 90s.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the upper 60s. Chance of rain 50%.
Sunday... Mostly cloudy. A chance of showers. Highs in the mid 80s. Lows in the lower 60s. Chance of rain 50%.
Sunday Night... Mostly cloudy. A chance of showers. Highs in the mid 80s. Lows in the lower 60s. Chance of rain 50%.
POP = Probability of Precipitation
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