Upper Sioux Agency State Park Weather Forecast

    • 46
    • 64

    Increasing Clouds

    • 46
    • 59

    Mostly Cloudy

    • 46
    • 64

    Chance Rain

    • 43
    • 58

    Chance Rain

    • 37
    • 52

    Chance Rain

    • 34
    • 54

    Partly Sunny

Today 24 Oct Yellow Medicine

Sunny. Highs in the lower 60s. South Winds 5 to 15 Mph.

Tonight 24 Oct Yellow Medicine

Not as cool. Decreasing Clouds. Lows in the mid 40s. South Winds 5 to 15 Mph.

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  • Temperature Real-Time

Upper Sioux Agency State Park Temperature Statistics

October Temperature

Granite Falls, Granite Falls Municipal Airport/Lenzen-Roe Memorial Field (5.6 miles)

  • Lowest 22 October, 2025

    31.5 °F

  • Average October

    57.7 °F

  • Highest 3 October, 2025

    92.1 °F

Climate (2020–Present)

Granite Falls, Granite Falls Municipal Airport/Lenzen-Roe Memorial Field (5.6 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    58.1 °F
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