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Fools Lake, IL Weather Forecast
Fools Lake, IL Weather Forecast Date: 551 PM CDT Tue Oct 27 2026
The area/counties/county of: Mercer, including the city of Aledo.or toggle through each period.
Tonight... Partly cloudy. Lows in the lower 50s. South winds around 5 mph.
Wednesday... Sunny. Highs in the upper 70s. South winds 10 to 15 mph.
Wednesday Night... Partly cloudy. A chance of showers after midnight. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40%.
Thursday... Mostly sunny. Highs in the lower 70s. Southwest winds 5 to 10 mph, becoming northwest in the afternoon.
Thursday Night... Clear in the evening, then becoming partly cloudy. Cooler with lows in the upper 40s. Northeast winds around 5 mph.
Friday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 60s. Chance of rain 70%.
Friday Night... Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 50%.
Saturday... Cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 50%.
Saturday Night... Mostly cloudy with a 40% chance of showers. Lows in the lower 50s. Highs in the upper 60s.
Sunday... Mostly cloudy with a 40% chance of showers. Lows in the lower 50s. Highs in the upper 60s.
Sunday Night... Mostly cloudy. Lows in the lower 50s.
Monday... Mostly cloudy with a 50% chance of showers. Highs in the upper 60s.
Monday Night... Showers likely. Lows in the lower 50s. Highs in the mid 60s. Chance of rain 60%.
POP = Probability of Precipitation
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