South Sioux City Weather Forecast

    • 49
    • 63

    Chance Thunderstorms

    • 59
    • 68

    Rain Showers Likely

    • 44
    • 84

    Rain Showers Likely

    • 41
    • 66

    Mostly Sunny

    • 48
    • 73

    Chance Rain Showers

    • 45
    • 74

    Chance Rain Showers

Today 26 Apr Dakota

Partly sunny. A chance of Showers this afternoon. Highs in the lower 60s. Southeast Winds 15 to 20 Mph. Chance of rain 20 percent.

Tonight 26 Apr Dakota

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers, mainly in the evening. Not as cool with Lows in the upper 40s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Sioux City Temperature Statistics

April Temperature

Sioux City, Sioux Gateway Airport (4.3 miles)

  • Lowest 6 April, 2025

    21.8 °F

  • Average April

    50.2 °F

  • Highest 12 April, 2025

    81.6 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (4.3 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    62.6 °F
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