Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Today
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Mostly sunny. Highs in the lower 70s. Northeast winds 10 to 15 miles per hour.
Tonight
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Clear. Lows in the 50s. Northeast winds 5 to 10 miles per hour.
Saturday
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Sunny. Highs in the mid 70s. East winds 10 to 15 miles per hour.
Saturday Night
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Clear. Lows in the upper 50s. East winds 10 to 15 miles per hour.
Sunday
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Mostly sunny. Highs in the upper 70s. Southeast winds 10 to 15 miles per hour.
Sunday Night
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Partly cloudy. Lows in the lower 60s.
Monday
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Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the upper 70s.
Monday Night
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Mostly cloudy. Showers likely and a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 60 percent.
Tuesday Through Thursday
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Mostly clear. Highs in the upper 70s. Lows around 60.