Lake Forest Weather Forecast

    • 15
    • 36

    Snow

    • 9
    • 21

    Chance Snow

    • 3
    • 20

    Chance Snow

    • 3
    • 9

    Cold

    • 13
    • 18

    Mostly Cloudy

    • 15
    • 29

    Slight Chance Snow Showers

Today 16 Jan Lake

Cloudy. A chance of snow late in the Morning, then isolated snow Showers early in the afternoon. Numerous snow Showers late. Little or no snow accumulation. Highs in the mid 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

Tonight 16 Jan Lake

Mostly cloudy. A chance of snow Showers early in the Evening, then a slight chance of snow Showers in the late evening and overnight. Little or no additional snow accumulation. Lows around 14. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

January Temperature

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

  • Lowest 1 January, 2026

    10.9 °F

  • Average January

    32.7 °F

  • Highest 8 January, 2026

    60.1 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.5 °F
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