Upper Sioux Agency State Park Weather Forecast

    • 38
    • 51

    Rain Showers

    • 42
    • 46

    Rain Showers

    • 46
    • 59

    Chance Rain Showers

    • 39
    • 63

    Partly Sunny

    • 47
    • 63

    Chance Rain Showers

    • 49
    • 68

    Rain Showers Likely

Today 25 Oct Yellow Medicine

Cooler. Rain early in the Afternoon, then rain likely late in the afternoon. Near steady temperature in the upper 40s. North Winds 5 to 10 Mph. Chance of rain 80 percent.

Tonight 25 Oct Yellow Medicine

Rain likely. Lows in the upper 30s. North Winds 5 to 10 Mph. Chance of rain 70 percent.

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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 17 October, 2026

    30.7 °F

  • Average October

    57.1 °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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