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Sidney, IL Weather Forecast
Sidney, IL Weather Forecast Date: 637 AM CDT Sun Sep 13 2026
The area/counties/county of: Champaign, including the cities of: Champaign and Urbana.or toggle through each period.
Today... Partly sunny. A slight chance of showers and thunderstorms this afternoon. Highs around 80. North winds around 5 mph, increasing to 10 to 15 mph this afternoon. Chance of rain 20%.
Tonight... Partly cloudy. A slight chance of showers in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20%.
Monday... Mostly sunny. Highs in the upper 70s. East winds 10 to 15 mph.
Monday Night... Mostly clear. Not as cool with lows in the mid 60s. Southeast winds 10 to 15 mph.
Tuesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Warmer. More humid with highs in the lower 90s. South winds 10 to 15 mph, becoming southwest in the afternoon. Chance of rain 50%. Heat index values up to 102 in the afternoon.
Tuesday Night... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 70%.
Wednesday... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 70%.
Wednesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s.
Thursday... Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50%.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 50%.
Friday... Partly cloudy. A 40% chance of showers. Highs in the mid 80s. Lows in the lower 60s.
Friday Night... Partly cloudy. A 40% chance of showers. Highs in the mid 80s. Lows in the lower 60s.
POP = Probability of Precipitation
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