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Fossil Rock Recreation Area, IL 7-Day Night Weather Forecast
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Fossil Rock Recreation Area, IL Weather Forecast
Fossil Rock Recreation Area, IL Weather Forecast Date: 751 PM CDT Fri Aug 07 2026
The area/counties/county of: Southern Will, including the cities of: Channahon, Manhattan, and Wilmington.or toggle through each period.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Southwest winds around 5 mph. Chance of precipitation 20%.
Saturday... Partly cloudy in the morning, then clearing. Highs in the lower 80s. Northwest winds 5 to 10 mph.
Saturday Night... Clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms late. Lows in the lower 60s. West winds around 5 mph, becoming southeast after midnight. Chance of precipitation 20%.
Sunday... Mostly cloudy. A chance of showers and thunderstorms. Humid with highs in the mid 80s. South winds 5 to 10 mph. Chance of precipitation 50%.
Sunday Night... Showers likely with a chance of thunderstorms. Humid with lows around 70. Southwest winds 5 to 10 mph. Chance of precipitation 70%.
Monday... Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of precipitation 50%.
Monday Night... Showers likely. Thunderstorms likely, mainly in the evening. Lows in the upper 60s. Chance of precipitation 70%.
Tuesday... Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. Chance of precipitation 60%.
Tuesday Night... A chance of thunderstorms in the evening. Showers likely. Lows in the mid 60s. Chance of precipitation 70%.
Wednesday... Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of precipitation 40%.
Wednesday Night... Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of precipitation 30%.
Thursday... Mostly cloudy. Highs in the upper 70s.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows around 60.
POP = Probability of Precipitation
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