Upper Sioux Agency State Park Weather Forecast

    • 68
    • 84

    Chance Thunderstorms

    • 73
    • 90

    Rain Showers Likely

    • 71
    • 98

    Slight Chance Thunderstorms

    • 69
    • 93

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 72
    • 93

    Rain Showers Likely

Today 27 Jun Yellow Medicine

Mostly sunny. Highs in the lower 80s. Southeast Winds 15 to 20 Mph.

Tonight 27 Jun Yellow Medicine

Partly cloudy in the Evening, then mostly cloudy with a 50 percent chance of Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds 15 to 20 Mph.

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  • Temperature Real-Time

Upper Sioux Agency State Park Temperature Statistics

June Temperature

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

  • Lowest 15 June, 2026

    48.9 °F

  • Average June

    69.7 °F

  • Highest 9 June, 2026

    92.8 °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

    48.1 °F

  • Average High 2021–2026

    58.6 °F
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