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Williams Park, IL Weather Forecast
Williams Park, IL Weather Forecast Date: 551 PM CDT Sun Oct 25 2026
The area/counties/county of: Winnebago, including the city of Rockford.or toggle through each period.
Tonight... Mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Southwest winds around 5 mph, becoming north after midnight.
Monday... Mostly cloudy. Patchy fog early in the morning. Highs in the mid 60s. Northeast winds around 10 mph.
Monday Night... Mostly cloudy. Lows in the upper 40s. East winds around 10 mph.
Tuesday... Mostly cloudy. Highs in the upper 60s. Southeast winds around 10 mph.
Tuesday Night... Mostly cloudy. Lows in the mid 50s. South winds around 5 mph.
Wednesday... Partly cloudy. Highs in the lower 70s.
Wednesday Night... Mostly clear with a slight chance of showers in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of precipitation 40%.
Thursday... Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 70s. Chance of precipitation 30%.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Chance of precipitation 30%.
Friday... Mostly cloudy with a 40% chance of showers. Highs in the lower 70s.
Friday Night... Mostly cloudy with a 40% chance of showers. Lows in the mid 50s.
Saturday... Mostly cloudy with a 50% chance of showers. Highs around 70.
Saturday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. Chance of precipitation 60%.
POP = Probability of Precipitation
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