Santee Weather Forecast

    • 26
    • 50

    Chance Rain Showers

    • 23
    • 31

    Slight Chance Snow

    • 12
    • 34

    Cloudy

    • 6
    • 21

    Chance Snow

    • -2
    • 11

    Slight Chance Snow

    • 17
    • 21

    Mostly Cloudy

Today 9 Dec Knox

Mostly cloudy. A chance of Sprinkles. Highs in the lower 50s. Southwest Winds 15 to 20 Mph. Gusts up to 35 Mph.

Tonight 9 Dec Knox

Partly cloudy and windy. Lows in the mid 20s. Northwest Winds 20 to 30 Mph with Gusts up to 60 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santee Temperature Statistics

December Temperature

Yankton, Chan Gurney Municipal Airport (24.2 miles)

  • Lowest 3 December, 2025

    -4 °F

  • Average December

    21.2 °F

  • Highest 5 December, 2025

    37.9 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (24.2 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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