Big Sioux River Corridor Weather Forecast

    • 35
    • 48

    Rain/Snow Likely

    • 42
    • 52

    Rain Showers

    • 30
    • 54

    Rain Likely

    • 33
    • 54

    Mostly Cloudy

    • 32
    • 53

    Slight Chance Rain

    • 26
    • 51

    Partly Sunny

    • 23
    • 54

    Mostly Sunny

Today 31 Mar Plymouth

Partly sunny. Not as cool with Highs in the upper 40s. North Winds around 5 Mph.

Tonight 31 Mar Plymouth

Mostly cloudy. A slight chance of rain and snow after midnight. Lows in the mid 30s. East Winds 5 to 10 Mph, increasing to southeast 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sioux River Corridor Temperature Statistics

March Temperature

Sioux City, Sioux Gateway Airport (19.3 miles)

  • Lowest 2 March, 2025

    18.8 °F

  • Average March

    43.2 °F

  • Highest 28 March, 2025

    89.7 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (19.3 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    62.5 °F
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