Grass Lake Weather Forecast

    • 25
    • 51

    Mostly Sunny

    • 25
    • 41

    Partly Sunny

    • 29
    • 48

    Mostly Cloudy

    • 15
    • 45

    Mostly Cloudy

    • 8
    • 26

    Mostly Cloudy

    • 8
    • 21

    Mostly Cloudy

Today 30 Jan Minnehaha

Sunny. Highs in the lower 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest this afternoon.

Tonight 30 Jan Minnehaha

Mostly clear. Lows in the mid 20s. North Winds 5 to 10 Mph.

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Grass Lake Temperature Statistics

January Temperature

Sioux Falls, Foss Field (14.3 miles)

  • Lowest 21 January, 2025

    -13.3 °F

  • Average January

    17.5 °F

  • Highest 28 January, 2025

    54 °F

Climate (2020–Present)

Sioux Falls, Foss Field (14.3 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    60.4 °F
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