Mattison Park Weather Forecast

    • 32
    • 49

    Rain

    • 11
    • 34

    Chance Flurries

    • 28
    • 40

    Partly Sunny

    • 20
    • 38

    Partly Sunny

    • 29
    • 41

    Mostly Cloudy

    • 31
    • 48

    Partly Sunny

    • 26
    • 43

    Mostly Cloudy

Today 17 Dec Dixon

Partly sunny and breezy. Near steady temperature in the upper 40s. South Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 17 Dec Dixon

Cloudy with rain this Evening, then partly cloudy with a chance of rain after midnight. Breezy with Lows in the lower 30s. Southwest Winds 20 to 25 Mph, becoming west after midnight. Chance of rain 80 percent.

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Mattison Park Temperature Statistics

December Temperature

Sioux City, Sioux Gateway Airport (19.3 miles)

  • Lowest 14 December, 2025

    -11.9 °F

  • Average December

    19.5 °F

  • Highest 9 December, 2025

    48 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (19.3 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    62.7 °F
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