Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Today
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Mostly sunny early in the morning then becoming partly cloudy. Highs in the lower 70s. West winds 10 to 15 miles per hour.
Tonight
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Clear. Lows in the upper 40s. West winds 5 to 10 miles per hour.
Thursday
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Mostly sunny. Highs in the mid 70s. West winds 5 to 10 miles per hour.
Thursday Night
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Mostly clear in the evening, then partly cloudy with a 20 percent chance of showers after midnight. Lows in the mid 50s. Southwest winds around 5 miles per hour.
Friday
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Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the upper 70s inland. But only in the lower 70s near the lake. Southwest winds 5 to 10 miles per hour in the morning shifting to the southeast in the afternoon.
Friday Night
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Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows around 60.
Saturday
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Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the mid 70s.
Saturday Night
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Mostly cloudy. Showers and thunderstorms likely in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of precipitation 60 percent.
Sunday
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Partly sunny. Highs in the lower 70s.
Sunday Night
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Partly cloudy. Lows in the lower 50s.
Monday
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Partly sunny with a 30 percent chance of showers. Highs in the upper 60s.
Monday Night And Tuesday
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Partly cloudy. Lows in the lower 50s. Highs in the upper 60s inland. But only in the mid 60s near the lake.