Winnebago Weather Forecast

    • 64
    • 81

    Rain Showers Likely

    • 58
    • 77

    Partly Sunny

    • 63
    • 79

    Partly Sunny

    • 59
    • 80

    Thunderstorms Likely

    • 55
    • 72

    Slight Chance Thunderstorms

    • 57
    • 73

    Partly Sunny

Today 15 Aug Thurston

Mostly cloudy. Areas of fog in the morning. A slight chance of Showers and Thunderstorms in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Humid with Highs around 80. South Winds around 5 Mph, becoming northwest around 5 Mph in the afternoon. Chance of rain 70 percent.

Tonight 15 Aug Thurston

Cloudy. Patchy fog. Near steady temperature in the lower 70s. Southeast Winds around 5 Mph.

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Winnebago Temperature Statistics

August Temperature

Sioux City, Sioux Gateway Airport (11.8 miles)

  • Lowest 8 August, 2026

    50.6 °F

  • Average August

    73.3 °F

  • Highest 11 August, 2026

    94.6 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (11.8 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    63.4 °F
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