Upper Sioux Agency State Park Weather Forecast

    • 44
    • 64

    Sunny

    • 40
    • 69

    Mostly Sunny

    • 44
    • 67

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

    • 50
    • 75

    Partly Sunny

    • 55
    • 77

    Partly Sunny

Today 17 Oct Yellow Medicine

Breezy. Not as cool. Sunny. Highs in the mid 60s. Southwest Winds 15 to 25 Mph with Gusts to around 45 Mph.

Tonight 17 Oct Yellow Medicine

Not as cool. Clear. Lows in the mid 40s. South Winds 10 to 20 Mph with Gusts to around 45 Mph.

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Upper Sioux Agency State Park Temperature Statistics

October Temperature

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

  • Lowest 2 October, 2026

    34.9 °F

  • Average October

    59.5 °F

  • Highest 10 October, 2026

    92.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    37.5 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    58.4 °F
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