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Sidney, IL 7-Day Night Weather Forecast
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Sidney, IL Weather Forecast
Sidney, IL Weather Forecast Date: 1052 AM CDT Tue Sep 15 2026
The area/counties/county of: Champaign, including the cities of: Champaign and Urbana.or toggle through each period.
Rest of Today... Mostly sunny. A chance of showers and thunderstorms this afternoon. Warmer with highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50%. Heat index values up to 102 this afternoon.
Tonight... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 60s. Southeast winds around 5 mph, becoming north after midnight. Chance of rain 70%.
Wednesday... Partly sunny. Showers likely with a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. East winds around 5 mph. Chance of rain 60%.
Wednesday Night... A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Humid with lows around 70. East winds around 5 mph, becoming south after midnight. Chance of rain 40%.
Thursday... Mostly sunny. Humid with highs around 90. Southwest winds around 5 mph, becoming northwest in the afternoon. Heat index values up to 101.
Thursday Night... Partly cloudy. Lows in the upper 60s. Highs in the upper 80s.
Friday... Partly cloudy. Lows in the upper 60s. Highs in the upper 80s.
Saturday... Partly cloudy. Lows in the upper 60s. Highs in the upper 80s.
Saturday Night... Mostly cloudy. A chance of showers. Lows in the mid 60s. Highs around 80. Chance of rain 50%.
Sunday... Mostly cloudy. A chance of showers. Lows in the mid 60s. Highs around 80. Chance of rain 50%.
Sunday Night... A chance of showers in the evening. Mostly cloudy. Lows in the upper 50s. Chance of rain 50%.
POP = Probability of Precipitation
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