Dakota Dunes Weather Forecast

    • 40
    • 60

    Rain Showers Likely

    • 59
    • 66

    Rain Showers

    • 54
    • 82

    Chance Rain Showers

    • 55
    • 83

    Chance Rain Showers

    • 49
    • 80

    Chance Rain Showers

    • 50
    • 75

    Chance Rain Showers

    • 49
    • 80

    Chance Rain Showers

Today 10 Apr Union

Sunny. Highs in the upper 50s. East Winds 5 to 10 Mph.

Tonight 10 Apr Union

Partly cloudy this Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Not as cool with Lows around 40. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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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 5 April, 2026

    29.6 °F

  • Average April

    42.6 °F

  • Highest 5 April, 2026

    66.7 °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

    51.1 °F

  • Average High 2021–2026

    63.2 °F
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