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Water Tower Park, IL 7-Day Night Weather Forecast
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Water Tower Park, IL Weather Forecast
Water Tower Park, IL Weather Forecast Date: 1028 AM CDT Sat Aug 08 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.
Rest of Today... Sunny. Highs around 90. West winds around 5 mph, becoming southwest this afternoon.
Tonight... Mostly clear. Humid with lows in the lower 70s. Southeast winds around 5 mph.
Sunday... Sunny with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 106.
Sunday Night... Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening.
Monday... Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 109 in the afternoon.
Monday Night... Mostly clear. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 110.
Tuesday... Mostly clear. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 110.
Tuesday Night... Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 40%. Heat index values up to 105.
Wednesday... Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 40%. Heat index values up to 105.
Wednesday Night... Partly cloudy with a chance of thunderstorms. A chance of showers. Lows in the lower 70s. Chance of rain 50%. Heat index values up to 105 early in the evening.
Thursday... Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50%.
Thursday Night... Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60%.
POP = Probability of Precipitation
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