Summit Lake Weather Forecast

    • 16
    • 44

    Rain Likely

    • -1
    • 20

    Chance Snow

    • 15
    • 28

    Slight Chance Snow

    • 5
    • 23

    Partly Sunny

    • 13
    • 23

    Mostly Cloudy

    • 19
    • 31

    Mostly Cloudy

Today 17 Dec Grant

Partly sunny. A chance of rain this afternoon. Very windy with Highs in the mid 40s. South Winds 20 to 25 Mph with Gusts up to 40 Mph, increasing to 25 to 35 Mph with Gusts up to 55 Mph this afternoon. Chance of rain 40 percent.

Tonight 17 Dec Grant

Mostly cloudy. A chance of rain in the Evening, then a chance of snow with a slight chance of rain after midnight. Little or no snow accumulation. Very windy with Lows around 17. West Winds 25 to 35 Mph. Gusts up to 55 Mph in the evening. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

December Temperature

Sisseton, Sisseton Municipal Airport (26.1 miles)

  • Lowest 7 December, 2025

    -13 °F

  • Average December

    11.7 °F

  • Highest 9 December, 2025

    41 °F

Climate (2020–Present)

Sisseton, Sisseton Municipal Airport (26.1 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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