County Forecast for Sidell , IL
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150200-
Vermilion-
Including the city of Danville
108 PM CDT Fri Aug 14 2026

..flood watch remains in effect until 4 pm cdt this afternoon   
This afternoon   Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the lower 80s. East winds around 5 mph. Chance of rain 30 percent.
Tonight   Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the lower 70s. East winds around 5 mph. Chance of rain 50 percent.
Saturday   Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Humid with highs in the upper 80s. Southeast winds 5 to 10 mph, becoming south in the afternoon. Chance of rain 50 percent. Heat index values up to 102.
Saturday night   Mostly cloudy in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. Southwest winds around 5 mph.
Sunday   Partly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 104.
Sunday night   Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 50 percent.
Monday and monday night   Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
Tuesday and tuesday night   Mostly clear. Highs in the lower 80s. Lows in the mid 60s.
Wednesday   Mostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
Wednesday night   Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 40 percent.
Thursday   Mostly sunny. Highs around 80.
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Bryce Anderson – DTN Meteorologist
More Rounds of Showers Through Corn Belt This Weekend
Posted at 11:57AM Fri Aug 14, 2026 CDT
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