Upper Sioux Agency State Park Weather Forecast

    • 46
    • 75

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 61
    • 80

    Slight Chance Rain Showers

    • 46
    • 77

    Chance Rain Showers

    • 39
    • 55

    Chance Rain Showers

    • 36
    • 52

    Slight Chance Rain Showers

Today 21 Oct Yellow Medicine

Sunny. Highs in the lower 70s. North Winds up to 10 Mph.

Tonight 21 Oct Yellow Medicine

Partly cloudy in the evening then clearing. Areas of fog after midnight. Lows in the mid 40s. North Winds up to 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

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

    56.8 °F

  • Highest 10 October, 2026

    92.1 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    37.5 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    58.4 °F
Get WillyWeather+ to remove ads