Santee Sioux Recreation Park Weather Forecast

    • 57
    • 82

    Increasing Clouds

    • 49
    • 85

    Breezy

    • 52
    • 84

    Mostly Sunny

    • 55
    • 85

    Rain Showers Likely

    • 51
    • 82

    Rain Showers Likely

    • 44
    • 69

    Chance Rain Showers

Today 13 May Knox

Sunny. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 13 May Knox

Mostly clear. Cooler with Lows in the upper 40s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santee Sioux Recreation Park Temperature Statistics

May Temperature

Yankton, Chan Gurney Municipal Airport (23.6 miles)

  • Lowest 6 May, 2026

    30 °F

  • Average May

    53.5 °F

  • Highest 8 May, 2026

    75.9 °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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