Santee Sioux Recreation Park Weather Forecast

    • 50
    • 85

    Breezy

    • 53
    • 86

    Mostly Sunny

    • 53
    • 82

    Partly Sunny

    • 54
    • 81

    Rain Showers

    • 43
    • 75

    Chance Rain Showers

    • 41
    • 65

    Mostly Cloudy

Today 14 May Knox

Partly sunny. A slight chance of Showers in the morning. Windy with Highs in the mid 80s. South Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of rain 20 percent.

Tonight 14 May Knox

Partly cloudy and breezy. Not as cool. Near steady temperature around 60. South Winds 15 to 25 Mph with Gusts up to 40 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

    54.5 °F

  • Highest 11 May, 2026

    86 °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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