Dakota Dunes Weather Forecast

    • 68
    • 87

    Chance Thunderstorms

    • 67
    • 88

    Chance Thunderstorms

    • 64
    • 86

    Thunderstorms Likely

    • 60
    • 73

    Chance Rain Showers

    • 61
    • 72

    Chance Rain Showers

    • 60
    • 74

    Chance Rain Showers

Today 10 Aug Union

Mostly cloudy in the Morning, then becoming partly sunny. Humid with Highs in the mid 80s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 10 Aug Union

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Real-Time

Dakota Dunes Temperature Statistics

August Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 6 August, 2026

    53.7 °F

  • Average August

    70.7 °F

  • Highest 3 August, 2026

    87.7 °F

Climate (2021–2026)

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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