Sioux City Weather Forecast

    • 26
    • 49

    Rain Showers

    • 34
    • 50

    Decreasing Clouds

    • 41
    • 69

    Mostly Sunny

    • 35
    • 66

    Mostly Sunny

    • 30
    • 57

    Slight Chance Rain

    • 30
    • 51

    Mostly Sunny

    • 40
    • 63

    Mostly Cloudy

Today 6 Mar Woodbury

Cloudy with a chance of Rain, drizzle with a slight chance of Thunderstorms. Patchy fog. Highs in the mid 50s. Temperature falling into the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 6 Mar Woodbury

Patchy fog this evening. Rain, a chance of Thunderstorms and freezing rain this Evening, then a chance of freezing Rain, a slight chance of freezing drizzle and snow after midnight. Ice accumulation of up to a tenth of an inch. Much cooler with Lows in the upper 20s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent.

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Sioux City Temperature Statistics

March Temperature

Sioux City, Sioux Gateway Airport (6.2 miles)

  • Lowest 1 March, 2026

    9.6 °F

  • Average March

    34.9 °F

  • Highest 4 March, 2026

    50 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (6.2 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    63.2 °F
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