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Little Sister Lake, IL 7-Day Night Weather Forecast
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Little Sister Lake, IL Weather Forecast
Little Sister Lake, IL Weather Forecast Date: 338 AM CDT Mon Aug 17 2026
The area/counties/county of: Fulton, including the city of Canton.or toggle through each period.
Today... Sunny. Highs around 80. North winds around 5 mph.
Tonight... Mostly clear. Lows in the lower 60s. Northwest winds around 5 mph, becoming southwest after midnight.
Tuesday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 20%.
Tuesday Night... Showers likely with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 70%.
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 70s. North winds around 5 mph.
Wednesday Night... Partly cloudy. Lows in the lower 60s. Highs in the upper 70s.
Thursday... Partly cloudy. Lows in the lower 60s. Highs in the upper 70s.
Friday... Mostly clear. Highs around 80. Lows in the lower 60s.
Friday Night... Mostly clear. Highs around 80. Lows in the lower 60s.
Saturday... Mostly sunny. Highs around 80.
Saturday Night... Mostly clear. Lows in the lower 60s.
POP = Probability of Precipitation
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