Ponca State Park Weather Forecast

    • 57
    • 86

    Increasing Clouds

    • 51
    • 92

    Rain Showers

    • 42
    • 71

    Rain Showers

    • 37
    • 61

    Breezy

    • 43
    • 67

    Mostly Cloudy

    • 48
    • 74

    Slight Chance Thunderstorms

Today 16 May Dixon

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Northeast Winds 5 to 10 Mph, becoming east 10 to 15 Mph this afternoon. Chance of rain 20 percent.

Tonight 16 May Dixon

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Lows in the mid 50s. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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Ponca State Park Temperature Statistics

May Temperature

Sioux City, Sioux Gateway Airport (21.1 miles)

  • Lowest 2 May, 2026

    27.6 °F

  • Average May

    55.8 °F

  • Highest 11 May, 2026

    87.7 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (21.1 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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