Dakota Dunes Weather Forecast

    • 46
    • 78

    Increasing Clouds

    • 53
    • 85

    Mostly Sunny

    • 59
    • 86

    Chance Rain Showers

    • 41
    • 80

    Chance Thunderstorms

    • 37
    • 64

    Partly Sunny

    • 34
    • 55

    Mostly Cloudy

    • 37
    • 59

    Chance Rain Showers

Today 20 Apr Union

Sunny. Much warmer with Highs in the mid 70s. South Winds around 20 Mph with Gusts up to 30 Mph.

Tonight 20 Apr Union

Partly cloudy this Evening, then clearing. Not as cool with Lows in the mid 40s. South Winds 15 to 20 Mph, Diminishing to 5 to 10 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 9 April, 2026

    26.7 °F

  • Average April

    50 °F

  • Highest 13 April, 2026

    89.7 °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

    63.3 °F
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