Big Sioux River Corridor Weather Forecast

    • 26
    • 56

    Decreasing Clouds

    • 26
    • 46

    Mostly Sunny

    • 31
    • 52

    Mostly Cloudy

    • 19
    • 51

    Slight Chance Snow

    • 12
    • 34

    Mostly Cloudy

    • 12
    • 28

    Slight Chance Snow

Today 30 Jan Plymouth

Mostly sunny. Highs in the mid 50s. Southwest Winds 5 to 10 Mph, becoming west this afternoon.

Tonight 30 Jan Plymouth

Mostly cloudy with a slight chance of rain in the Evening, then mostly clear after midnight. Lows in the upper 20s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sioux River Corridor Temperature Statistics

January Temperature

Sioux City, Sioux Gateway Airport (19.3 miles)

  • Lowest 20 January, 2025

    -13.3 °F

  • Average January

    19.8 °F

  • Highest 28 January, 2025

    61 °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

    50.6 °F

  • Average High 2020–2025

    62.4 °F
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