Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Today
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Mostly cloudy. Patchy fog in the morning. Slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Northeast winds 5 to 10 miles per hour. Chance of precipitation 30 percent.
Tonight
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Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the upper 60s. Northeast winds 5 to 10 miles per hour in the evening becoming north after midnight.
Friday
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Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the upper 70s. North winds 5 to 10 miles per hour.
Friday Night
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Mostly clear. Lows in the mid 60s. North winds 5 to 10 miles per hour.
Saturday
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Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 miles per hour.
Saturday Night
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Clear. Lows in the lower 60s.
Sunday
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Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 80s.
Sunday Night
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Partly cloudy. Lows in the upper 60s.
Monday
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Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the upper 70s.
Monday Night
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Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the lower 60s.
Tuesday
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Partly sunny. Chance of showers in the morning. Highs in the mid 70s. Chance of precipitation 30 percent.
Tuesday Night And Wednesday
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Mostly clear. Lows in the upper 50s. Highs in the mid 70s.