Gateway Lake Weather Forecast

    • 46
    • 65

    Rain Showers Likely

    • 53
    • 68

    Rain Showers

    • 36
    • 62

    Rain Showers

    • 34
    • 56

    Partly Sunny

    • 35
    • 62

    Chance Rain Showers

    • 34
    • 61

    Slight Chance Rain Showers

    • 37
    • 63

    Partly Sunny

Today 25 Apr Dakota

Showers likely with a slight chance of Thunderstorms. Near steady temperature around 60. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 25 Apr Dakota

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the mid 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gateway Lake Temperature Statistics

April Temperature

Sioux City, Sioux Gateway Airport (3.1 miles)

  • Lowest 9 April, 2026

    26.7 °F

  • Average April

    49.9 °F

  • Highest 13 April, 2026

    89.7 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (3.1 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    63.3 °F
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