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Fox Valley, IL Weather Forecast
Fox Valley, IL Weather Forecast Date: 705 PM CDT Tue Sep 29 2026
The area/counties/county of: Dupage, including the cities of: Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream.or toggle through each period.
Tonight... Mostly cloudy. A chance of showers late. Lows in the lower 60s. South winds 5 to 10 mph. Chance of precipitation 40%.
Wednesday... Showers. More humid with highs in the upper 60s. South winds around 10 mph. Chance of precipitation 90%.
Wednesday Night... Cloudy. A chance of showers in the evening. A slight chance of thunderstorms. Showers likely after midnight. Near steady temperature in the mid 60s. Southwest winds 5 to 10 mph. Chance of precipitation 70%.
Thursday... Showers with a slight chance of thunderstorms. Highs in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 90%.
Thursday Night... Showers. Lows in the upper 50s. North winds around 5 mph, increasing to around 10 mph after midnight. Chance of precipitation 90%.
Friday... Mostly cloudy with a slight chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 60s. Chance of precipitation 20%.
Friday Night... Mostly clear. Lows in the upper 40s.
Saturday... Mostly sunny. Highs in the mid 60s.
Saturday Night... Partly cloudy. Lows in the upper 40s.
Sunday... Partly cloudy. Highs in the upper 60s.
Sunday Night... Mostly clear. Lows in the mid 40s.
Monday... Mostly sunny. Highs in the lower 60s.
Monday Night... Mostly clear. Lows in the mid 40s.
POP = Probability of Precipitation
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