Santee Sioux Recreation Park Weather Forecast

    • 68
    • 90

    Mostly Sunny

    • 70
    • 95

    Slight Chance Rain Showers

    • 71
    • 95

    Rain Showers Likely

    • 64
    • 89

    Slight Chance Thunderstorms

    • 63
    • 86

    Slight Chance Thunderstorms

    • 66
    • 91

    Slight Chance Thunderstorms

Today 5 Jul Knox

Sunny. Highs around 90. Southwest Winds around 5 Mph, becoming southeast this afternoon.

Tonight 5 Jul Knox

Mostly clear. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 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

    75.8 °F

  • Highest 2 July, 2026

    91 °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

    50.4 °F

  • Average High 2021–2026

    61.8 °F
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