Yankton Weather Forecast

    • 19
    • 37

    Mostly Cloudy

    • 6
    • 28

    Snow

    • 6
    • 15

    Mostly Cloudy

    • 24
    • 34

    Partly Sunny

    • 22
    • 41

    Mostly Cloudy

    • 12
    • 27

    Mostly Cloudy

Today 5 Dec Yankton

Mostly cloudy. Highs in the mid 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 5 Dec Yankton

Mostly cloudy. Lows around 19. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Yankton Temperature Statistics

December Temperature

Yankton, Chan Gurney Municipal Airport (3.1 miles)

  • Lowest 2 December, 2025

    0 °F

  • Average December

    18.7 °F

  • Highest 2 December, 2025

    36 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    61.4 °F
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