MJ Aviation Airport II Weather Forecast

    • 9
    • 36

    Chance Snow

    • 4
    • 17

    Mostly Sunny

    • 8
    • 18

    Partly Sunny

    • 15
    • 25

    Mostly Cloudy

    • 17
    • 33

    Partly Sunny

    • 24
    • 41

    Mostly Cloudy

Today 10 Dec Union

Mostly cloudy. A chance of Flurries this Morning, then a chance of snow Showers this afternoon. Little or no snow accumulation. Highs in the mid 30s. Northwest Winds 10 to 15 Mph. Chance of snow 40 percent.

Tonight 10 Dec Union

Snow Showers likely in the Evening, then snow likely after midnight. Patchy blowing snow after midnight. Snow accumulation around an inch. Breezy, Colder with Lows around 8 above. Northwest Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of snow 70 percent.

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MJ Aviation Airport II Temperature Statistics

December Temperature

Sioux City, Sioux Gateway Airport (24.9 miles)

  • Lowest 1 December, 2024

    5.8 °F

  • Average December

    25.8 °F

  • Highest 7 December, 2024

    64 °F

Climate (2019–Present)

Sioux City, Sioux Gateway Airport (24.9 miles)

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  • Average Low 2019–2024

    39 °F

  • Average 2019–2024

    50.6 °F

  • Average High 2019–2024

    62.3 °F
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