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Heavenly Hills Lake, IL 7-Day Night Weather Forecast
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Heavenly Hills Lake, IL Weather Forecast
Heavenly Hills Lake, IL Weather Forecast Date: 927 AM CDT Fri Aug 14 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... Scattered thunderstorms. Showers late this morning, then scattered showers this afternoon. Hot with highs in the mid 90s. South winds around 5 mph. Chance of rain near 100%. Heat index values up to 112 this afternoon.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southeast winds around 5 mph. Heat index values up to 112 early in the evening.
Saturday... Mostly sunny. Hot with highs in the mid 90s. Southwest winds around 5 mph. Heat index values up to 112.
Saturday Night... Partly cloudy. Humid with lows in the upper 70s. Southwest winds around 5 mph. Heat index values up to 112 early in the evening.
Sunday... Mostly sunny. Hot with highs in the mid 90s. West winds 5 to 10 mph. Heat index values up to 111.
Sunday Night... Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 40%. Heat index values up to 110 early in the evening.
Monday... Partly cloudy. Highs in the mid 80s. Lows in the upper 60s.
Monday Night... Partly cloudy. Highs in the mid 80s. Lows in the upper 60s.
Tuesday... Mostly clear. Highs in the upper 80s. Lows in the lower 70s.
Tuesday Night... Mostly clear. Highs in the upper 80s. Lows in the lower 70s.
Wednesday... Mostly sunny. Highs in the mid 90s. Heat index values up to 105 in the afternoon.
Wednesday Night... Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30%. Heat index values up to 100 early in the evening.
POP = Probability of Precipitation
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