Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Rest Of Tonight
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Cloudy. Showers and thunderstorms after midnight. Lows in the upper 60s. South winds 5 to 10 miles per hour. Chance of precipitation 80 percent.
Monday
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Mostly cloudy. Showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 miles per hour in the morning becoming west in the afternoon. Chance of precipitation 80 percent.
Monday Night
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Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the mid 60s. North winds 5 to 10 miles per hour.
Tuesday
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Partly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs around 80. North winds 5 to 10 miles per hour in the morning shifting to the east in the afternoon.
Tuesday Night
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Mostly cloudy. Chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Lows in the upper 60s. Southeast winds 10 to 15 miles per hour. Chance of precipitation 60 percent.
Wednesday
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Partly sunny. Showers and thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 60 percent.
Wednesday Night
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Partly cloudy. Chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of precipitation 50 percent.
Thursday
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Partly sunny. Highs in the upper 70s.
Thursday Night Through Friday Night
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Partly cloudy. Lows in the lower 60s. Highs in the upper 70s.
Saturday
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Mostly sunny in the morning, then partly cloudy with a 30 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 80s.
Saturday Night And Sunday
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Mostly clear. Lows in the mid 60s. Highs in the lower 80s.