Upper Sioux Agency State Park Weather Forecast

    • 74
    • 93

    Becoming Sunny

    • 71
    • 91

    Rain Showers Likely

    • 60
    • 80

    Rain Showers Likely

    • 61
    • 78

    Partly Sunny

    • 63
    • 81

    Chance Rain Showers

    • 63
    • 82

    Chance Thunderstorms

    • 64
    • 83

    Slight Chance Thunderstorms

Today 3 Jul Yellow Medicine

Sunny. Highs in the mid 90s. Southeast Winds 10 to 15 Mph.

Tonight 3 Jul Yellow Medicine

Mostly clear. Lows in the mid 70s. South Winds 5 to 15 Mph with Gusts to around 30 Mph.

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Upper Sioux Agency State Park Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2025

    60.8 °F

  • Average July

    74.2 °F

  • Highest 1 July, 2025

    85.5 °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

    36.8 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    57.9 °F
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