Sisseton Weather Forecast

    • -3
    • 24

    Blustery

    • 15
    • 30

    Chance Freezing Rain

    • 3
    • 24

    Mostly Sunny

    • 16
    • 24

    Partly Sunny

    • 19
    • 38

    Mostly Cloudy

    • 16
    • 27

    Mostly Cloudy

    • 22
    • 34

    Mostly Cloudy

Today 18 Dec Roberts

Mostly cloudy with a 50 percent chance of snow. Areas of blowing snow. Little or no snow accumulation. Very windy and much Colder. Near steady temperature around 3 above. Temperature falling to around 3 above late. Northwest Winds 30 to 40 Mph with Gusts up to 60 Mph. Wind chill Values as low as 25 below.

Tonight 18 Dec Roberts

Mostly clear this Evening, then becoming partly cloudy. Patchy blowing snow this evening. Windy, Colder with Lows around 4 below. Northwest Winds 20 to 30 Mph with Gusts up to 45 Mph, becoming north 10 to 15 Mph after midnight. Wind chill Values as low as 25 below.

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Sisseton Temperature Statistics

December Temperature

Sisseton, Sisseton Municipal Airport (2.5 miles)

  • Lowest 7 December, 2025

    -13 °F

  • Average December

    14.2 °F

  • Highest 16 December, 2025

    51.1 °F

Climate (2020–Present)

Sisseton, Sisseton Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    57.2 °F
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