Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Tonight
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Partly cloudy. Lows in the upper 20s. West winds 5 to 10 miles per hour.
Tuesday
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Partly cloudy. Highs in the upper 40s. Southwest winds 5 to 10 miles per hour.
Tuesday Night
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Partly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 miles per hour.
Wednesday
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Mostly cloudy. A 30 percent chance of light rain in the morning. Highs around 50. Southwest winds 10 to 15 miles per hour.
Wednesday Night
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Partly cloudy. Lows in the lower 30s. Northwest winds around 10 miles per hour.
Thursday
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Mostly sunny. Highs around 50.
Thursday Night
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Mostly clear. Lows in the lower 30s.
Friday
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Sunny. Highs in the lower 50s inland. But only in the upper 40s near the lake.
Friday Night Through Saturday Night
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Clear. Lows in the mid 30s. Highs in the mid 50s.
Sunday
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Partly sunny. Highs in the mid 50s.
Sunday Night
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Mostly cloudy with a 40 percent chance of light rain. Lows in the lower 40s.
Monday
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Cloudy with a 30 percent chance of light rain. Highs in the mid 50s.