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Clear Lake, IL Weather Forecast
Clear Lake, IL Weather Forecast Date: 436 AM CDT Mon Oct 19 2026
The area/counties/county of: Henderson, including the city of Oquawka.or toggle through each period.
Today... Mostly sunny. Highs in the lower 70s. South winds around 5 mph.
Tonight... Partly cloudy. Lows in the mid 40s. East winds around 5 mph.
Tuesday... Sunny. Highs in the lower 70s. Southeast winds around 5 mph.
Tuesday Night... Clear. Lows in the mid 40s. Southeast winds around 5 mph.
Wednesday... Sunny. Highs in the lower 70s. Light and variable winds, becoming south around 5 mph in the afternoon.
Wednesday Night... Mostly clear. Lows in the lower 50s. Highs in the mid 70s.
Thursday... Mostly clear. Lows in the lower 50s. Highs in the mid 70s.
Friday... Mostly clear. Lows in the lower 50s. Highs in the mid 70s.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
Saturday... Mostly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Saturday Night... Mostly cloudy. Highs in the mid 70s. Lows in the mid 50s.
POP = Probability of Precipitation
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