Upper Sioux Agency State Park Weather Forecast

    • 57
    • 83

    Partly Sunny

    • 51
    • 74

    Slight Chance Thunderstorms

Today 12 Jun Yellow Medicine

Warmer, sunny. Highs in the lower 80s. West Winds 10 to 20 Mph.

Tonight 12 Jun Yellow Medicine

Clear. Near steady temperature in the upper 50s. West Winds 10 to 15 Mph.

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Upper Sioux Agency State Park Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2026

    62.1 °F

  • Average June

    75.9 °F

  • Highest 9 June, 2026

    92.8 °F

Climate (2021–Present)

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

    48.1 °F

  • Average High 2021–2026

    58.7 °F
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