Dakota Dunes Weather Forecast

    • 60
    • 91

    Chance Rain Showers

    • 55
    • 80

    Slight Chance Rain Showers

    • 61
    • 89

    Mostly Sunny

    • 56
    • 85

    Partly Sunny

    • 51
    • 76

    Slight Chance Thunderstorms

    • 52
    • 76

    Partly Sunny

Today 10 Jun Union

Sunny. A slight chance of Showers and Thunderstorms in the morning. Breezy with Highs in the upper 80s. South Winds 15 to 20 Mph, becoming west 20 to 25 Mph in the afternoon. Chance of rain 20 percent.

Tonight 10 Jun Union

Mostly clear in the Evening, then mostly cloudy with a chance of Showers after midnight. Cooler. Less humid with Lows around 60. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming east around 5 Mph after midnight. Chance of rain 40 percent.

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Dakota Dunes Temperature Statistics

June Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 3 June, 2026

    58.6 °F

  • Average June

    74.8 °F

  • Highest 6 June, 2026

    93.7 °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

    51.2 °F

  • Average High 2021–2026

    63.4 °F
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