North Sioux City Weather Forecast

    • 45
    • 53

    Rain Showers

    • 39
    • 61

    Gradual Clearing

    • 50
    • 65

    Chance Rain Showers

    • 62
    • 72

    Rain Showers Likely

    • 46
    • 86

    Chance Thunderstorms

    • 39
    • 64

    Mostly Sunny

    • 49
    • 73

    Chance Rain Showers

Today 24 Apr Union

Showers. Much cooler. Near steady temperature in the mid 50s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 24 Apr Union

Showers, mainly this evening. Lows in the mid 40s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Sioux City Temperature Statistics

April Temperature

Sioux City, Sioux Gateway Airport (9.9 miles)

  • Lowest 6 April, 2025

    21.8 °F

  • Average April

    49.7 °F

  • Highest 12 April, 2025

    81.6 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (9.9 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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