Upper Sioux Agency State Park Weather Forecast

    • 65
    • 89

    Rain Showers

    • 65
    • 86

    Rain Showers

    • 69
    • 89

    Rain Showers

    • 70
    • 88

    Chance Thunderstorms

    • 67
    • 87

    Rain Showers Likely

    • 65
    • 84

    Slight Chance Thunderstorms

Today 30 Jun Yellow Medicine

Sunny. Near steady temperature in the upper 80s. West Winds 10 to 15 Mph.

Tonight 30 Jun Yellow Medicine

Clear in the Evening, then mostly cloudy with chance of Showers and slight chance of Thunderstorms after midnight. Lows in the mid 60s. Southwest Winds up to 10 Mph. Chance of precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • 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

    69.9 °F

  • Highest 9 June, 2026

    92.8 °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

    48.1 °F

  • Average High 2021–2026

    58.6 °F
Get WillyWeather+ to remove ads