County Forecast for Sidell , IL
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032300-
Vermilion-
Including the city of Danville
1003 AM CDT Fri Jul 3 2026

..extreme heat warning in effect until 7 pm cdt this evening   
Rest of today   Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 105.
Tonight   Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent.
Independence day   Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds around 5 mph, increasing to 10 to 15 mph with gusts up to 30 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 102.
Saturday night   Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows around 70. Southwest winds 5 to 10 mph. Chance of rain 60 percent.
Sunday   Partly sunny. 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.
Sunday night   Partly cloudy. A chance of showers in the evening. Lows in the upper 60s. Chance of rain 50 percent.
Monday   Mostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
Monday night through wednesday night   Partly cloudy. Lows in the mid 60s. Highs in the mid 80s.
Thursday   Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
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Bryce Anderson – DTN Meteorologist
Hot, Humid, Stormy Holiday Weekend
Posted at 11:59AM Thu Jul 2, 2026 CDT
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