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Island Park, IL 7-Day Night Weather Forecast
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Island Park, IL Weather Forecast
Island Park, IL Weather Forecast Date: 246 PM CDT Sun Aug 30 2026
The area/counties/county of: Southern Will, including the cities of: Channahon, Manhattan, and Wilmington.or toggle through each period.
Late This Afternoon... Mostly cloudy. Scattered showers and a slight chance of thunderstorms. Temperatures around 80. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 40%.
Tonight... Mostly cloudy. Scattered showers and a slight chance of thunderstorms early in the evening. Lows in the lower 70s. South winds 5 to 10 mph. Chance of precipitation 40%.
Monday... Mostly cloudy in the morning, then becoming partly cloudy. Humid with highs around 90. Southwest winds 5 to 10 mph.
Monday Night... Partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph.
Tuesday... Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 104.
Tuesday Night... Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 101 early in the evening.
Wednesday... Mostly sunny. Hot with highs in the mid 90s.
Wednesday Night... Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 20%.
Thursday... Partly cloudy. Highs around 90.
Thursday Night... Partly cloudy. A chance of showers and thunderstorms after midnight. Lows around 70. Chance of precipitation 40%.
Friday... Partly cloudy. Highs in the upper 80s.
Friday Night... Partly cloudy. Lows in the upper 60s.
Saturday... Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
POP = Probability of Precipitation
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