Dakota Dunes Weather Forecast

    • 32
    • 47

    Mostly Cloudy

    • 31
    • 56

    Decreasing Clouds

    • 46
    • 67

    Rain

    • 29
    • 66

    Rain

    • 37
    • 55

    Mostly Sunny

    • 39
    • 67

    Mostly Sunny

    • 41
    • 72

    Partly Sunny

Today 3 Mar Union

Mostly cloudy. Highs around 50. Northeast Winds around 5 Mph.

Tonight 3 Mar Union

Mostly cloudy. A slight chance of very light drizzle after midnight. Lows in the lower 30s. East Winds around 5 Mph.

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Dakota Dunes Temperature Statistics

March Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 1 March, 2026

    10 °F

  • Average March

    23.9 °F

  • Highest 1 March, 2026

    34 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (7.5 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    63.2 °F
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