Santee Sioux Recreation Park Weather Forecast

    • 32
    • 57

    Becoming Sunny

    • 46
    • 77

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 60
    • 87

    Breezy

    • 36
    • 80

    Chance Rain Showers

    • 33
    • 56

    Mostly Cloudy

Today 19 Apr Knox

Sunny. Highs in the upper 50s. North Winds 5 to 10 Mph.

Tonight 19 Apr Knox

Mostly clear. Lows in the lower 30s. Northeast Winds 5 to 10 Mph, becoming southeast with Gusts up to 20 Mph after midnight.

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  • Temperature Real-Time

Santee Sioux Recreation Park Temperature Statistics

April Temperature

Yankton, Chan Gurney Municipal Airport (23.6 miles)

  • Lowest 10 April, 2026

    23 °F

  • Average April

    47.6 °F

  • Highest 16 April, 2026

    87.1 °F

Climate (2021–Present)

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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