Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Today
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Partly cloudy early in the morning then becoming mostly sunny through early afternoon then becoming partly cloudy late in the afternoon. Breezy. Much warmer. Highs in the upper 50s. Southwest winds 15 to 25 miles per hour with gusts up to 35 miles per hour.
Tonight
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Partly cloudy with a 20 percent chance of light showers in the evening, then mostly clear after midnight. Lows in the upper 30s. Northwest winds 10 to 20 miles per hour. Inland, gusts up to 30 miles per hour in the evening. Near the Lake, gusts up to 30 miles per hour.
Saturday
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Mostly sunny. Highs in the lower 40s. Northwest winds 10 to 15 miles per hour. Gusts up to 30 miles per hour in the morning.
Saturday Night
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Clear. Lows in the upper 20s. West winds 5 to 10 miles per hour.
Sunday
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Mostly sunny. Highs in the upper 40s. West winds 10 to 15 miles per hour.
Sunday Night
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Clear. Lows in the lower 30s.
Monday
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Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 50s.
Monday Night
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Mostly clear. Lows in the lower 40s.
Tuesday
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Partly cloudy. Highs in the lower 50s.
Tuesday Night
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Partly cloudy in the evening then clearing. Lows in the lower 30s.
Wednesday And Wednesday Night
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Partly cloudy. Highs in the lower 40s. Lows in the lower 30s.
Thursday
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Partly sunny. Highs in the mid 40s.