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Lake Forest High School, IL 7-Day Night Weather Forecast
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Lake Forest High School, IL Weather Forecast
Lake Forest High School, IL Weather Forecast Date: 121 PM CDT Sun Sep 13 2026
The area/counties/county of: Lake County Il, including the cities of: Waukegan, Buffalo Grove, Mundelein, and Gurnee.or toggle through each period.
This Afternoon... Numerous showers early in the afternoon, then scattered showers late. Highs in the lower 70s. Northwest winds 10 to 15 mph. Chance of precipitation 70%.
Tonight... Clear. Lows in the upper 40s. Northwest winds 5 to 10 mph.
Monday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s. East winds 5 to 10 mph, increasing to southeast 10 to 15 mph with gusts up to 25 mph in the afternoon.
Monday Night... Mostly cloudy. A chance of showers and thunderstorms after midnight. Breezy and not as cool with lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50%.
Tuesday... Mostly cloudy. Showers likely in the morning. A slight chance of thunderstorms. A chance of showers in the afternoon. More humid with highs in the lower 80s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the morning. Chance of precipitation 70%.
Tuesday Night... A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 60. Chance of precipitation 50%.
Wednesday... Showers likely. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 70%.
Wednesday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Near steady temperature in the mid 60s. Chance of precipitation 70%.
Thursday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 70s. Chance of precipitation 50%.
Thursday Night... Mostly cloudy. Lows in the lower 60s.
Friday... Mostly cloudy with a chance of showers. Highs in the mid 70s. Chance of precipitation 40%.
Friday Night... Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of precipitation 50%.
POP = Probability of Precipitation
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