Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Rest Of Tonight
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Mostly cloudy. A few flurries late in the evening. Temperatures nearly steady 12 to 16. Northwest winds 10 to 15 miles per hour.
Martin Luther King Jr Day
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Partly cloudy. Highs in the mid 20s. Northwest winds 5 to 10 miles per hour.
Monday Night
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Mostly clear. Lows 7 to 11 above. Northwest winds 5 to 10 miles per hour.
Tuesday
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Mostly sunny. Highs in the mid 20s. Southwest winds 5 to 10 miles per hour.
Tuesday Night
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Partly cloudy. Lows 17 to 21. Southwest winds 10 to 15 miles per hour.
Wednesday
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Mostly cloudy. Highs in the mid 30s.
Wednesday Night
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Cloudy. Slight chance of light rain and light snow in the evening, then a chance of light snow after midnight. Lows around 30. Chance of precipitation 30 percent.
Thursday
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Cloudy with a 40 percent chance of light snow and light rain. Highs in the mid 30s.
Thursday Night Through Friday Night
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Cloudy with a 50 percent chance of light rain and light snow. Lows in the lower 30s. Highs in the upper 30s.
Saturday
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Cloudy with a 30 percent chance of light rain and light snow. Highs in the mid 30s.
Saturday Night And Sunday
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Mostly cloudy. Lows in the upper 20s. Highs in the mid 30s.