Upper Sioux Agency State Park Weather Forecast

    • 60
    • 85

    Partly Sunny

    • 62
    • 82

    Chance Rain Showers

    • 64
    • 81

    Slight Chance Thunderstorms

Today 31 Aug Yellow Medicine

Sunny. Near steady temperature in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 31 Aug Yellow Medicine

Partly cloudy. Lows in the lower 60s. South Winds up to 5 Mph shifting to the west after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Sioux Agency State Park Temperature Statistics

August Temperature

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

  • Lowest 23 August, 2026

    48.7 °F

  • Average August

    71.3 °F

  • Highest 25 August, 2026

    86.5 °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

    37.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    58.4 °F
Get WillyWeather+ to remove ads