Dakota Dunes Weather Forecast

    • 67
    • 83

    Increasing Clouds

    • 69
    • 83

    Chance Thunderstorms

    • 71
    • 87

    Partly Sunny

    • 73
    • 94

    Mostly Sunny

    • 71
    • 93

    Chance Thunderstorms

    • 67
    • 90

    Chance Thunderstorms

    • 62
    • 79

    Chance Rain Showers

Today 24 Jul Union

Partly sunny. Highs in the lower 80s. North Winds around 5 Mph.

Tonight 24 Jul Union

Partly cloudy. Lows in the mid 60s. East Winds around 5 Mph.

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Dakota Dunes Temperature Statistics

July Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 17 July, 2025

    56.6 °F

  • Average July

    75.4 °F

  • Highest 3 July, 2025

    93.7 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (7.5 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    62.6 °F
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