10-Day Weather Forecast - Lake Forest, IL

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  • 37|26°F
    40% Chance Snow Showers
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    Today

    37°F

    Mostly cloudy. A chance of light sprinkles and a slight chance of snow showers late. Windy. Highs around 40. South winds 20 to 25 mph becoming southwest 15 to 25 mph in the afternoon. Gusts up to 40 mph. Chance of precipitation 40 percent.

    Tonight

    26°F

    Mostly cloudy in the evening then becoming partly cloudy. A chance of light sprinkles early in the evening. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

    Hourly details
  • Day

    31°F

    Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 30s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the morning.

    Night

    21°F

    Mostly cloudy in the evening then becoming partly cloudy. A slight chance of snow. Lows around 20. North winds around 5 mph. Chance of precipitation 20 percent.

    Hourly details
  • Day

    36°F

    Partly cloudy. Highs around 40. East winds around 5 mph becoming southwest in the afternoon.

    Night

    28°F

    Partly cloudy in the evening then becoming mostly clear. Lows in the upper 20s.

    Hourly details
  • Day

    54°F

    Mostly sunny. Highs in the mid 50s.

    Night

    31°F

    Partly cloudy. Lows around 30.

    Hourly details
  • Weekend Weather

  • Day

    33°F

    Mostly cloudy. A chance of snow in the afternoon. Highs around 40. Chance of precipitation 30 percent.

    Night

    23°F

    Mostly cloudy. Lows around 20.

    Hourly details
  • Day

    30°F

    Partly cloudy. Highs around 30.

    Night

    22°F

    Partly cloudy in the evening then becoming mostly cloudy. A 40 percent chance of snow. Lows around 20.

    Hourly details
  • Day

    34°F

    Partly cloudy in the morning then becoming mostly cloudy. A 30 percent chance of snow. Highs in the mid 30s.

    Night

    19°F

    Partly cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 19F. Dew point will be around 20F with an average humidity of 78%. Winds will be 2 mph from the SE.

  • Day

    33°F

    Sunny with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 33F. Dew point will be around 22F with an average humidity of 76%. Winds will be 4 mph from the SW.

    Night

    25°F

    Clear. Low temperature around 25F. Dew point will be around 22F with an average humidity of 81%. Winds will be 7 mph from the SW.

  • Day

    39°F

    Sunny. High temperature around 39F. Dew point will be around 28F with an average humidity of 76%. Winds will be 5 mph from the SW.

    Night

    33°F

    Mostly clear. Low temperature around 33F. Dew point will be around 29F with an average humidity of 82%. Winds will be 6 mph from the S.

  • Day

    45°F

    Mostly cloudy. High temperature around 45F. Dew point will be around 36F with an average humidity of 81%. Winds will be 7 mph from the S.

    Night

    43°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 43F. Dew point will be around 41F with an average humidity of 91%. Winds will be 9 mph from the S.