Summit Lake Weather Forecast

    • 32
    • 52

    Mostly Sunny

    • 32
    • 55

    Mostly Sunny

    • 31
    • 55

    Partly Sunny

    • 30
    • 47

    Partly Sunny

    • 29
    • 42

    Rain/Snow Likely

    • 20
    • 37

    Chance Snow

    • 13
    • 29

    Chance Snow

Today 13 Feb Grant

Mostly sunny. Near steady temperature in the lower 50s. South Winds 5 to 10 Mph.

Tonight 13 Feb Grant

Mostly clear. Lows around 30. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

February Temperature

Sisseton, Sisseton Municipal Airport (26.1 miles)

  • Lowest 3 February, 2026

    -2.9 °F

  • Average February

    26.9 °F

  • Highest 5 February, 2026

    48.9 °F

Climate (2021–Present)

Sisseton, Sisseton Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    57.2 °F
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