Dakota Dunes Weather Forecast

    • 24
    • 46

    Decreasing Clouds

    • 34
    • 52

    Chance Flurries

    • 27
    • 54

    Mostly Sunny

    • 33
    • 56

    Mostly Sunny

    • 32
    • 58

    Mostly Sunny

    • 37
    • 59

    Mostly Cloudy

Today 10 Feb Union

Partly sunny. Much cooler with Highs in the mid 40s. Northwest Winds 10 to 15 Mph.

Tonight 10 Feb Union

Mostly clear. Lows in the mid 20s. Northwest Winds around 5 Mph, becoming southwest after midnight.

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Dakota Dunes Temperature Statistics

February Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 1 February, 2026

    12.7 °F

  • Average February

    33.5 °F

  • Highest 5 February, 2026

    59.6 °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

    62.9 °F
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