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Village of River Forest, ILRiver Forest, IL 7-Day Night Weather Forecast
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River Forest, IL Weather Forecast
River Forest, IL Weather Forecast Date: 156 PM CDT Thu Sep 03 2026
The area/counties/county of: Central Cook, including the cities of: Chicago, Cicero, Oak Lawn, Oak Park, and La Grange.or toggle through each period.
This Afternoon... Partly cloudy. A chance of showers and thunderstorms. Near steady temperature in the mid 80s. East winds 10 to 15 mph. Chance of precipitation 30%.
Tonight... Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of precipitation 20%.
Friday... Partly cloudy. A chance of showers early in the morning. A slight chance of thunderstorms in the morning. A slight chance of showers late in the morning. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 40%. Heat index values up to 100.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph, becoming north after midnight. Chance of precipitation 50%.
Saturday... Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms in the morning. Humid with highs in the mid 80s inland, but only in the upper 70s near the lake. Northeast winds 5 to 10 mph. Chance of precipitation 20%.
Saturday Night... Partly cloudy. Lows in the upper 60s.
Sunday... Partly cloudy. Highs in the lower 80s inland, but only in the upper 70s near the lake.
Sunday Night... Partly cloudy. Lows in the mid 60s.
Labor Day... Partly cloudy. Highs in the lower 80s.
Monday Night... Mostly cloudy. Lows in the upper 60s.
Tuesday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 80s.
Tuesday Night... Partly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of precipitation 30%.
POP = Probability of Precipitation
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