Dakota Dunes Weather Forecast

    • 27
    • 44

    Flurries

    • 29
    • 62

    Mostly Sunny

    • 22
    • 44

    Chance Rain/Snow

    • 34
    • 45

    Chance Rain/Snow

    • 35
    • 70

    Chance Rain Showers

    • 34
    • 53

    Rain Showers Likely

    • 39
    • 59

    Rain Showers Likely

Today 4 Apr Union

Mostly cloudy with a 40 percent chance of Showers. Windy. Near steady temperature in the lower 40s. Northwest Winds 25 to 30 Mph with Gusts up to 40 Mph.

Tonight 4 Apr Union

Partly cloudy this Evening, then becoming mostly clear. Breezy with Lows in the upper 20s. Northwest Winds 20 to 25 Mph with Gusts up to 35 Mph, Diminishing to 10 to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dakota Dunes Temperature Statistics

April Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 1 April, 2026

    30.9 °F

  • Average April

    39.8 °F

  • Highest 1 April, 2026

    50 °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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