Dakota Dunes Weather Forecast

    • 13
    • 27

    Chance Snow

    • 5
    • 37

    Slight Chance Snow

    • -11
    • 23

    Mostly Cloudy

    • -8
    • 2

    Cold

    • -4
    • 11

    Partly Sunny

    • 1
    • 21

    Partly Sunny

Today 20 Jan Union

Partly sunny early. Snow. Little or no snow accumulation. Not as cool with Highs in the mid 20s. Southeast Winds 5 to 10 Mph. Chance of snow near 100 percent.

Tonight 20 Jan Union

Cloudy with snow in the Evening, then partly cloudy after midnight. Little or no snow accumulation. Not as cold with Lows around 13. West Winds 5 to 10 Mph. Chance of snow 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dakota Dunes Temperature Statistics

January Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 17 January, 2026

    3 °F

  • Average January

    28.8 °F

  • Highest 7 January, 2026

    63 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (7.5 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    62.8 °F
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