Dakota Dunes Weather Forecast

    • 39
    • 70

    Decreasing Clouds

    • 28
    • 61

    Chance Snow

    • 14
    • 39

    Snow Likely

    • 12
    • 29

    Slight Chance Snow

    • 9
    • 34

    Partly Sunny

    • 7
    • 29

    Partly Sunny

Today 17 Feb Union

Mostly sunny with a slight chance of Showers and Thunderstorms. Breezy with Highs in the upper 60s. Southeast Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 17 Feb Union

Mostly cloudy with a chance of rain with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Breezy with Lows in the upper 30s. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 40 percent.

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Dakota Dunes Temperature Statistics

February Temperature

Sioux City, Sioux Gateway Airport (7.5 miles)

  • Lowest 1 February, 2026

    12.7 °F

  • Average February

    37.5 °F

  • Highest 9 February, 2026

    75.7 °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

    51.1 °F

  • Average High 2021–2026

    63.1 °F
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