Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Today
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Cloudy. Highs in the mid 40s. Southwest winds 10 to 20 miles per hour.
Tonight
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Cloudy. Drizzle likely in the evening, then light rain after midnight. Areas of fog after midnight. Temperatures nearly steady around 40. Southeast winds 5 to 10 miles per hour. Chance of measurable precipitation 80 percent.
Monday
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Cloudy. Areas of fog in the morning. Drizzle likely in the morning, then light rain likely in the afternoon. Highs in the mid 40s. Southwest winds 5 to 10 miles per hour in the morning becoming west 10 to 15 miles per hour in the afternoon. Chance of measurable precipitation 60 percent.
Monday Night
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Mostly cloudy. Chance of drizzle, light freezing drizzle and a slight chance of light snow in the evening. Lows around 20. Northwest winds 10 to 20 miles per hour. Chance of measurable precipitation 20 percent.
Tuesday
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Partly cloudy. Highs in the mid 20s. West winds 10 to 20 miles per hour.
Tuesday Night
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Partly cloudy in the evening then clearing. Lows 7 to 11 above.
Wednesday
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Mostly sunny. Highs 17 to 21.
Wednesday Night
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Mostly clear in the evening then becoming partly cloudy. Lows 8 to 12 above.
Thursday And Thursday Night
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Partly cloudy. Highs in the lower 30s. Lows in the mid 20s.
Friday
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Mostly cloudy. Highs in the upper 30s.
Friday Night
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Mostly cloudy. 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.
Saturday
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Mostly cloudy with a 40 percent chance of light snow and light rain. Highs in the upper 30s.