Summit Lake Weather Forecast

    • 11
    • 22

    Mostly Cloudy

    • 7
    • 17

    Mostly Cloudy

    • 2
    • 17

    Partly Sunny

    • -1
    • 12

    Partly Sunny

    • 14
    • 21

    Partly Sunny

    • 18
    • 39

    Mostly Cloudy

Today 19 Feb Grant

Mostly cloudy. A chance of Flurries this afternoon. Highs in the mid 20s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 Feb Grant

Mostly cloudy with a chance of Flurries. Lows around 14. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • 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

    31.2 °F

  • Highest 15 February, 2026

    60.1 °F

Climate (2021–Present)

Sisseton, Sisseton Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    46.8 °F

  • Average High 2021–2026

    57.4 °F
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