South Yankton Weather Forecast

    • 35
    • 54

    Increasing Clouds

    • 28
    • 55

    Mostly Sunny

    • 35
    • 58

    Mostly Sunny

    • 33
    • 59

    Mostly Sunny

    • 38
    • 60

    Mostly Cloudy

    • 40
    • 61

    Partly Sunny

Today 11 Feb Cedar

Sunny. Highs in the mid 50s. Southwest Winds 10 to 15 Mph.

Tonight 11 Feb Cedar

Mostly clear. Near steady temperature in the mid 20s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Yankton Temperature Statistics

February Temperature

Yankton, Chan Gurney Municipal Airport (4.3 miles)

  • Lowest 1 February, 2026

    16 °F

  • Average February

    34.7 °F

  • Highest 5 February, 2026

    61 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    61.5 °F
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