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Round Pond, IL Weather Forecast
Round Pond, IL Weather Forecast Date: 938 PM CDT Fri Sep 11 2026
The area/counties/county of: Madison County Il, including the cities of: Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis.or toggle through each period.
Tonight... Mostly cloudy with a slight chance of showers and thunderstorms this evening, then partly cloudy after midnight. Patchy fog after midnight. Lows in the upper 60s. South winds around 5 mph. Chance of rain 20%.
Saturday... Patchy fog in the morning. Sunny. Highs around 90. West winds around 5 mph.
Saturday Night... Partly cloudy. Lows in the upper 60s. Northwest winds around 5 mph.
Sunday... Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 20%.
Sunday Night... Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 20%.
Monday... Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20%.
Monday Night... Mostly clear. Hot. Lows around 70. Highs in the mid 90s. Heat index values up to 105.
Tuesday... Mostly clear. Hot. Lows around 70. Highs in the mid 90s. Heat index values up to 105.
Tuesday Night... Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 20%. Heat index values up to 100.
Wednesday... Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 20%. Heat index values up to 100.
Wednesday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 40%.
Thursday... Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50%.
Thursday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 30%.
POP = Probability of Precipitation
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