Weather WorldLeclaire Lake, IL 7-Day Night Weather Forecast
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Leclaire Lake, IL Weather Forecast
Leclaire Lake, IL Weather Forecast Date: 132 AM CDT Mon Oct 05 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 Tonight... Clear. Near steady temperature in the mid 50s. North winds around 5 mph.
Monday... Sunny. Highs in the upper 70s. Northeast winds around 5 mph.
Monday Night... Clear. Lows around 50. East winds around 5 mph in the evening, becoming light and variable.
Tuesday... Sunny. Highs around 80. South winds around 5 mph.
Tuesday Night... Clear. Lows in the mid 50s. South winds around 5 mph.
Wednesday... Clear. Highs in the mid 80s. Lows in the upper 50s.
Wednesday Night... Clear. Highs in the mid 80s. Lows in the upper 50s.
Thursday... Mostly clear. Highs in the mid 80s. Lows in the upper 50s.
Friday... Mostly clear. Highs in the mid 80s. Lows in the upper 50s.
Saturday... Mostly clear. Highs in the mid 80s. Lows in the upper 50s.
POP = Probability of Precipitation
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