Gateway Lake Weather Forecast

    • 7
    • 18

    Slight Chance Snow

    • 1
    • 22

    Slight Chance Snow

    • 17
    • 29

    Mostly Cloudy

    • -11
    • 29

    Partly Sunny

    • 9
    • 18

    Partly Sunny

    • 18
    • 31

    Mostly Cloudy

Today 30 Nov Dakota

Mostly cloudy with a chance of Flurries. Near steady temperature around 17. Northwest Winds 10 to 15 Mph.

Tonight 30 Nov Dakota

Cloudy. A slight chance of snow after midnight. Cold with Lows around 7 above. Temperature rising to around 11 after midnight. Northwest Winds around 5 Mph, becoming south after midnight. Chance of snow 20 percent.

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Gateway Lake Temperature Statistics

November Temperature

Sioux City, Sioux Gateway Airport (3.1 miles)

  • Lowest 28 November, 2025

    12.9 °F

  • Average November

    40.9 °F

  • Highest 14 November, 2025

    75.9 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (3.1 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    62.8 °F
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