Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Today
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Partly cloudy. Highs in the lower 60s inland. But only in the mid 50s near the lake. North winds around 5 miles per hour in the morning shifting to the east in the afternoon.
Tonight
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Cloudy. Chance of showers and a slight chance of thunderstorms after midnight. Lows in the upper 40s. Then temperatures becoming steady or slowly rising. Southeast winds 10 to 15 miles per hour. Chance of precipitation 30 percent.
Monday
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Cloudy in the morning. Showers and a slight chance of thunderstorms. Breezy. Highs in the mid 60s. South winds 15 to 25 miles per hour with gusts up to 30 miles per hour. Chance of precipitation 100 percent.
Monday Night
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Partly cloudy. Lows in the lower 40s. Southwest winds 10 to 20 miles per hour with gusts up to 30 miles per hour.
Tuesday
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Mostly cloudy. A 20 percent chance of showers in the morning. Breezy. Highs in the lower 50s. Southwest winds 15 to 25 miles per hour with gusts up to 35 miles per hour.
Tuesday Night
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Partly cloudy in the evening then clearing. Lows in the upper 30s.
Wednesday
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Partly cloudy. Highs in the mid 50s.
Wednesday Night
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Partly cloudy. Lows in the upper 30s.
Thursday And Thursday Night
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Mostly cloudy with a 30 percent chance of light rain showers. Highs in the upper 40s. Lows in the mid 30s.
Friday Through Saturday
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Partly cloudy. Highs in the lower 50s. Lows in the mid 30s.