Round Lake Weather Forecast

    • 5
    • 11

    Chance Snow

    • 6
    • 27

    Chance Snow

    • -12
    • 14

    Blustery

    • -14
    • -3

    Cold

    • -9
    • 0

    Chance Snow

    • -6
    • 7

    Chance Snow

Today 31 Jan McHenry

Mostly cloudy. A chance of snow in the afternoon. Colder. Little or no new snow accumulation. Highs 5 to 10 above. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 30 percent.

Tonight 31 Jan McHenry

Cloudy with a 30 percent chance of snow. Little or no new snow accumulation. Lows zero to 5 above. Temperature rising to around 10 after midnight. East Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Round Lake Temperature Statistics

January Temperature

Harvey Municipal Airport (23 miles)

  • Lowest 20 January, 2025

    -29.2 °F

  • Average January

    6.2 °F

  • Highest 16 January, 2025

    37.4 °F

Climate (2020–Present)

Harvey Municipal Airport (23 miles)

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  • Average Low 2020–2025

    30.1 °F

  • Average 2020–2025

    41.2 °F

  • Average High 2020–2025

    51.9 °F
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