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Old School Forest Preserve, IL 7-Day Night Weather Forecast
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Old School Forest Preserve, IL Weather Forecast
Old School Forest Preserve, IL Weather Forecast Date: 120 AM CDT Tue Sep 29 2026
The area/counties/county of: Lake County Il, including the cities of: Waukegan, Buffalo Grove, Mundelein, and Gurnee.or toggle through each period.
Rest of Tonight... Mostly cloudy. Areas of fog. Near steady temperature in the lower 50s. Light and variable winds.
Tuesday... Mostly cloudy in the morning, then becoming partly cloudy. Areas of fog early in the morning. Highs in the mid 70s inland, but only around 70 near the lake. South winds 5 to 10 mph.
Tuesday Night... Mostly cloudy. A slight chance of showers after midnight. A chance of showers late. Lows in the lower 60s. South winds 5 to 10 mph. Chance of precipitation 40%.
Wednesday... Showers. Highs in the upper 60s. Southwest winds around 10 mph. Chance of precipitation 80%.
Wednesday Night... Showers likely. 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. Chance of precipitation 90%.
Thursday Night... Showers. Lows in the mid 50s. Chance of precipitation 80%.
Friday... Mostly cloudy with a chance of showers in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs in the lower 60s. Chance of precipitation 40%.
Friday Night... Partly cloudy. Lows in the upper 40s.
Saturday... Partly cloudy. Highs in the lower 60s.
Saturday Night... Partly cloudy. Lows in the upper 40s.
Sunday... Partly cloudy in the morning, then clearing. Highs in the mid 60s.
Sunday Night... Mostly clear. Lows in the mid 40s.
POP = Probability of Precipitation
Old School Forest Preserve Radar Loop
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