Weather in Lake Forest, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lake Forest
Today |
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Temperature: 75°F Wind Speed: 5 to 20 mph Wind Direction: SSE Forecast: Widespread fog before 10am. Partly sunny, with a high near 75. South southeast wind 5 to 20 mph, with gusts as high as 30 mph. |
Tonight |
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Temperature: 43°F Wind Speed: 15 to 20 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms between 7pm and 9pm, then showers and thunderstorms. Cloudy. Low around 43, with temperatures rising to around 49 overnight. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. |
Saturday |
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Temperature: 50°F Wind Speed: 15 mph Wind Direction: WNW Forecast: A slight chance of rain showers before 10am. Partly sunny, with a high near 50. West northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Saturday Night |
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Temperature: 35°F Wind Speed: 10 to 15 mph Wind Direction: WNW Forecast: Mostly clear, with a low around 35. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. |
Sunday |
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Temperature: 49°F Wind Speed: 10 to 15 mph Wind Direction: WNW Forecast: Mostly sunny, with a high near 49. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. |
Sunday Night |
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Temperature: 34°F Wind Speed: 5 to 10 mph Wind Direction: N Forecast: Areas of frost after 1am. Mostly clear, with a low around 34. |
Monday |
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Temperature: 52°F Wind Speed: 5 to 10 mph Wind Direction: E Forecast: Areas of frost before 8am. Sunny, with a high near 52. |
Monday Night |
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Temperature: 44°F Wind Speed: 10 mph Wind Direction: SSE Forecast: Mostly cloudy, with a low around 44. |
Tuesday |
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Temperature: 71°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 71. |
Tuesday Night |
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Temperature: 48°F Wind Speed: 5 to 10 mph Wind Direction: W Forecast: Partly cloudy, with a low around 48. |
Wednesday |
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Temperature: 57°F Wind Speed: 5 to 10 mph Wind Direction: N Forecast: Sunny, with a high near 57. |
Wednesday Night |
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Temperature: 49°F Wind Speed: 5 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 49. |
Thursday |
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Temperature: 69°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: Mostly sunny, with a high near 69. |
Thursday Night |
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Temperature: 54°F Wind Speed: 10 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 54. |