Lake Yankton Weather Forecast

    • 27
    • 53

    Mostly Sunny

    • 27
    • 44

    Mostly Sunny

    • 32
    • 53

    Mostly Cloudy

    • 19
    • 47

    Chance Snow

    • 12
    • 31

    Mostly Cloudy

    • 10
    • 26

    Slight Chance Snow

Today 30 Jan Yankton

Sunny. Highs in the lower 50s. Southwest Winds around 5 Mph, becoming northwest this afternoon.

Tonight 30 Jan Yankton

Mostly clear. Lows in the mid 20s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Yankton Temperature Statistics

January Temperature

Yankton, Chan Gurney Municipal Airport (5.6 miles)

  • Lowest 20 January, 2025

    -12.2 °F

  • Average January

    18.9 °F

  • Highest 28 January, 2025

    57.9 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    61.1 °F
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