Dakota Dunes Weather Forecast

    • 14
    • 39

    Partly Sunny

    • 22
    • 34

    Chance Snow

    • 32
    • 45

    Chance Rain/Snow

    • 30
    • 53

    Chance Rain

    • 32
    • 56

    Chance Rain

    • 31
    • 67

    Mostly Cloudy

Today 28 Feb Union

Mostly sunny. Much cooler with Highs in the upper 30s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 28 Feb Union

Partly cloudy. Cold with Lows around 12. Northeast Winds 10 to 15 Mph.

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  • Temperature Real-Time

Dakota Dunes Temperature Statistics

February Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 23 February, 2026

    1.9 °F

  • Average February

    34.7 °F

  • Highest 9 February, 2026

    75.7 °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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