Big Sioux River Corridor Weather Forecast

    • 39
    • 73

    Increasing Clouds

    • 33
    • 58

    Mostly Cloudy

    • 35
    • 57

    Partly Sunny

    • 38
    • 68

    Partly Sunny

    • 42
    • 69

    Partly Sunny

    • 45
    • 73

    Chance Rain Showers

Today 4 May Plymouth

Sunny. Highs in the lower 70s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 4 May Plymouth

Mostly cloudy. Scattered Sprinkles in the evening. Lows in the upper 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming north 5 to 10 Mph after midnight.

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Big Sioux River Corridor Temperature Statistics

May Temperature

Sioux City, Sioux Gateway Airport (19.3 miles)

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  • Average May

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Climate (2021–Present)

Sioux City, Sioux Gateway Airport (19.3 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    63.2 °F
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