Santee Sioux Recreation Park Weather Forecast

    • 77
    • 97

    Hot

    • 71
    • 103

    Hot

    • 64
    • 91

    Partly Sunny

    • 64
    • 86

    Chance Rain Showers

    • 65
    • 84

    Chance Thunderstorms

    • 66
    • 88

    Partly Sunny

Today 19 Jul Knox

Partly sunny this Morning, then clearing. Highs in the mid 90s. Southeast Winds 5 to 10 Mph.

Tonight 19 Jul Knox

Mostly clear. Humid with Lows in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Santee Sioux Recreation Park Temperature Statistics

July Temperature

Yankton, Chan Gurney Municipal Airport (23.6 miles)

  • Lowest 3 July, 2026

    64.9 °F

  • Average July

    78.7 °F

  • Highest 17 July, 2026

    97 °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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