Dakota Dunes Weather Forecast

    • 59
    • 84

    Sunny

    • 62
    • 86

    Mostly Sunny

    • 68
    • 90

    Slight Chance Thunderstorms

    • 72
    • 92

    Slight Chance Thunderstorms

    • 69
    • 92

    Rain Showers Likely

    • 64
    • 87

    Chance Rain Showers

    • 63
    • 85

    Slight Chance Thunderstorms

Today 30 Jun Union

Sunny. Highs in the lower 80s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 30 Jun Union

Mostly clear. Lows in the upper 50s. Northwest Winds 10 to 15 Mph, becoming west around 5 Mph after midnight.

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Dakota Dunes Temperature Statistics

June Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 4 June, 2025

    46.7 °F
  • Average June

    73.4 °F
  • Highest 20 June, 2025

    98.7 °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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