Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Tonight
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Mostly cloudy. Breezy. Lows in the lower 40s. West winds 15 to 25 miles per hour with gusts up to 30 miles per hour in the evening becoming northwest and decreasing to 10 to 15 miles per hour after midnight.
Friday
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Partly sunny. Highs in the lower 50s. North winds 10 to 15 miles per hour.
Friday Night
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Mostly clear. Lows in the upper 30s. Northeast winds 10 to 15 miles per hour.
Saturday
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Mostly sunny. Highs in the mid 50s inland. But only in the upper 40s near the lake. Northeast winds 10 to 15 miles per hour.
Saturday Night
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Clear. Lows in the upper 30s. North winds 5 to 10 miles per hour.
Sunday
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Sunny. Highs around 60 inland. But only in the lower 50s near the lake. Then temperatures falling into the lower 50s by evening.
Sunday Night
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Mostly clear. Lows in the upper 30s.
Monday
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Mostly sunny in the morning then becoming partly cloudy. Highs in the mid 60s.
Monday Night
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Mostly cloudy. Lows in the upper 40s.
Tuesday
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Mostly cloudy with a 30 percent chance of showers. Highs in the mid 60s.
Tuesday Night
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Mostly cloudy. Lows in the mid 40s.
Wednesday
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Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the mid 50s.
Wednesday Night
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Mostly cloudy. Lows in the lower 40s.
Thursday
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Mostly cloudy with a 30 percent chance of showers. Highs in the upper 50s.