Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Rest Of Tonight
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Mostly clear late in the evening then becoming partly cloudy. Lows in the mid 60s. South winds 5 to 10 miles per hour.
Sunday
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Mostly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the upper 70s. Then temperatures falling into the lower 70s by evening. West winds 5 to 10 miles per hour in the morning becoming northwest in the afternoon.
Sunday Night
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Partly cloudy. Lows in the mid 50s. North winds 5 to 10 miles per hour.
Monday
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Partly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Northeast winds 5 to 10 miles per hour.
Monday Night
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Mostly cloudy. Chance of showers and a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows around 60. East winds 5 to 10 miles per hour. Chance of precipitation 40 percent.
Tuesday
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Mostly cloudy with a 30 percent chance of showers. Highs in the mid 70s.
Tuesday Night
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Partly cloudy. A 20 percent chance of showers after midnight. Lows in the lower 60s.
Wednesday
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Partly cloudy. Highs around 80.
Wednesday Night
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Partly cloudy. Chance of showers in the evening. Lows in the lower 60s. Chance of precipitation 40 percent.
Thursday And Thursday Night
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Partly cloudy. Highs around 80. Lows in the mid 60s.
Friday
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Partly cloudy. A 30 percent chance of showers and thunderstorms in the morning. Highs in the lower 80s.
Friday Night And Saturday
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Partly cloudy. Lows in the mid 60s. Highs in the lower 80s.