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Williamsfield, IL 7-Day Night Weather Forecast
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Williamsfield, IL Weather Forecast
Williamsfield, IL Weather Forecast Date: 127 PM CDT Wed Sep 09 2026
The area/counties/county of: Knox, including the city of Galesburg.or toggle through each period.
This Afternoon... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Cooler. Near steady temperature in the mid 70s. West winds 5 to 10 mph. Chance of rain 40%.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. West winds around 5 mph.
Thursday... Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs around 80. Northeast winds around 5 mph. Chance of rain 20%.
Thursday Night... Clear. Lows in the upper 50s. Northeast winds around 5 mph in the evening, becoming light and variable.
Friday... Sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.
Friday Night... Mostly clear. Lows in the lower 60s.
Saturday... Partly cloudy. Highs in the mid 80s. Lows in the lower 60s.
Saturday Night... Partly cloudy. Highs in the mid 80s. Lows in the lower 60s.
Sunday... Mostly cloudy. Highs in the lower 80s. Lows in the mid 60s.
Sunday Night... Mostly cloudy. Highs in the lower 80s. Lows in the mid 60s.
Monday... Mostly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 40%.
Monday Night... Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy with showers likely after midnight. Lows in the mid 60s. Chance of rain 60%.
POP = Probability of Precipitation
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