Santee Sioux Recreation Park Weather Forecast

    • 54
    • 67

    Rain Showers Likely

    • 57
    • 77

    Rain Showers Likely

    • 55
    • 79

    Rain Showers

    • 53
    • 77

    Partly Sunny

    • 56
    • 78

    Chance Thunderstorms

    • 63
    • 80

    Chance Thunderstorms

Today 21 Jun Knox

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Not as warm with Highs in the upper 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 21 Jun Knox

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the lower 50s. East Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 50 percent.

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Santee Sioux Recreation Park Temperature Statistics

June Temperature

Yankton, Chan Gurney Municipal Airport (23.6 miles)

  • Lowest 16 June, 2026

    52 °F

  • Average June

    71.9 °F

  • Highest 9 June, 2026

    95 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (23.6 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.8 °F
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