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Lee, IL Weather Forecast
Lee, IL Weather Forecast Date: 146 PM CDT Sat Oct 31 2026
The area/counties/county of: De Kalb, including the cities of: Dekalb and Sycamore.or toggle through each period.
This Afternoon... Cloudy. Scattered showers early in the afternoon, then isolated showers late. Highs in the lower 60s. Southeast winds around 5 mph. Chance of precipitation 30%.
Tonight... Cloudy. A slight chance of showers in the late evening and overnight. Lows in the lower 50s. Southeast winds around 5 mph. Chance of precipitation 20%.
Sunday... Mostly cloudy. A slight chance of showers. Highs in the mid 60s. Southeast winds around 5 mph. Chance of precipitation 20%.
Sunday Night... Mostly cloudy. Lows in the lower 50s. Southeast winds 5 to 10 mph.
Monday... Cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 60s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 40%.
Monday Night... Cloudy. A chance of showers in the evening, then showers likely after midnight. Nearly steady temperatures in the upper 50s. Chance of precipitation 70%.
Tuesday... Showers, breezy with highs in the lower 70s. Chance of precipitation 80%.
Tuesday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows in the lower 50s. Chance of precipitation 70%.
Wednesday... Mostly cloudy with a 50% chance of showers. Highs in the mid 60s.
Wednesday Night... Mostly cloudy. Lows in the mid 40s.
Thursday... Mostly cloudy. Highs in the lower 60s.
Thursday Night... Mostly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of precipitation 30%.
POP = Probability of Precipitation
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