Weather in Lake Forest, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lake Forest
This Afternoon |
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Temperature: 49°F Wind Speed: 10 mph Wind Direction: NE Forecast: A slight chance of showers and thunderstorms before 4pm, then showers and thunderstorms likely. Mostly cloudy. High near 49, with temperatures falling to around 41 in the afternoon. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
Tonight |
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Temperature: 35°F Wind Speed: 10 to 15 mph Wind Direction: E Forecast: Showers and thunderstorms before midnight, then patchy fog and showers and thunderstorms between midnight and 3am, then a chance of rain. Cloudy. Low around 35, with temperatures rising to around 40 overnight. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
Friday |
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Temperature: 36°F Wind Speed: 20 to 25 mph Wind Direction: W Forecast: A chance of rain before 7am, then a chance of rain and snow between 7am and noon, then a chance of snow showers. Mostly cloudy. High near 36, with temperatures falling to around 32 in the afternoon. West wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible. |
Friday Night |
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Temperature: 27°F Wind Speed: 10 to 20 mph Wind Direction: WNW Forecast: Partly cloudy, with a low around 27. West northwest wind 10 to 20 mph, with gusts as high as 35 mph. |
Saturday |
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Temperature: 37°F Wind Speed: 10 mph Wind Direction: WNW Forecast: Partly sunny, with a high near 37. West northwest wind around 10 mph, with gusts as high as 20 mph. |
Saturday Night |
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Temperature: 26°F Wind Speed: 10 to 15 mph Wind Direction: NW Forecast: A chance of snow after midnight. Mostly cloudy, with a low around 26. Chance of precipitation is 30%. |
Sunday |
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Temperature: 32°F Wind Speed: 15 mph Wind Direction: NW Forecast: A slight chance of snow before noon. Mostly cloudy, with a high near 32. |
Sunday Night |
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Temperature: 20°F Wind Speed: 15 mph Wind Direction: NW Forecast: A slight chance of snow. Mostly cloudy, with a low around 20. |
Monday |
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Temperature: 31°F Wind Speed: 10 to 15 mph Wind Direction: NNW Forecast: Partly sunny, with a high near 31. |
Monday Night |
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Temperature: 21°F Wind Speed: 5 mph Wind Direction: W Forecast: Mostly cloudy, with a low around 21. |
Tuesday |
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Temperature: 40°F Wind Speed: 5 to 15 mph Wind Direction: SSW Forecast: Mostly cloudy, with a high near 40. |
Tuesday Night |
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Temperature: 33°F Wind Speed: 10 to 15 mph Wind Direction: SSW Forecast: Mostly cloudy, with a low around 33. |
Wednesday |
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Temperature: 45°F Wind Speed: 10 to 15 mph Wind Direction: W Forecast: A slight chance of rain. Partly sunny, with a high near 45. |
Wednesday Night |
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Temperature: 26°F Wind Speed: 5 to 10 mph Wind Direction: WNW Forecast: A slight chance of rain and snow before midnight. Partly cloudy, with a low around 26. |