Weather WorldUpper Swan Lake, IL 7-Day Night Weather Forecast
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Upper Swan Lake, IL Weather Forecast
Upper Swan Lake, IL Weather Forecast Date: 217 AM CDT Thu Oct 08 2026
The area/counties/county of: Adams County Il, including the cities of: Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green.or toggle through each period.
Rest of Tonight... Clear. Near steady temperature in the upper 50s. Light and variable winds.
Thursday... Sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Thursday Night... Mostly clear. Lows in the upper 50s. East winds around 5 mph.
Friday... Sunny. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 20 mph.
Friday Night... Clear. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph.
Saturday... Sunny. Highs in the mid 80s.
Saturday Night... Mostly cloudy in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 20%.
Sunday... Mostly clear. Highs around 80. Lows in the lower 60s.
Sunday Night... Mostly clear. Highs around 80. Lows in the lower 60s.
Columbus Day... Mostly clear. Highs in the mid 80s. Lows around 60.
Monday Night... Mostly clear. Highs in the mid 80s. Lows around 60.
Tuesday... Mostly sunny with a 20% chance of showers. Cooler with highs in the lower 70s.
Tuesday Night... Mostly clear. A slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20%.
POP = Probability of Precipitation
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