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Forest Lake, IL 7-Day Night Weather Forecast
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Forest Lake, IL Weather Forecast
Forest Lake, IL Weather Forecast Date: 911 PM CDT Tue Sep 22 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. Near steady temperature in the mid 50s. East winds 10 to 15 mph, becoming northeast 5 to 10 mph after midnight.
Wednesday... Mostly cloudy. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Wednesday Night... Mostly cloudy in the evening, then clearing. Lows in the lower 50s. East winds 5 to 10 mph.
Thursday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s. East winds 5 to 10 mph.
Thursday Night... Mostly cloudy. Lows in the lower 50s. East winds around 5 mph.
Friday... Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 60s.
Friday Night... Partly cloudy. Lows in the lower 50s.
Saturday... Partly cloudy. Highs in the mid 60s.
Saturday Night... Mostly cloudy. Lows in the lower 50s.
Sunday... Mostly cloudy. Highs in the upper 60s.
Sunday Night... Mostly cloudy. Lows in the lower 50s.
Monday... Partly cloudy. Highs in the lower 70s.
Monday Night... Partly cloudy. Lows in the mid 50s.
POP = Probability of Precipitation
Forest Lake Radar Loop
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