Walthill Weather Forecast

    • 41
    • 84

    Chance Thunderstorms

    • 40
    • 66

    Mostly Sunny

    • 47
    • 70

    Chance Rain Showers

    • 42
    • 70

    Slight Chance Rain Showers

    • 44
    • 72

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

Today 28 Apr Thurston

Cloudy early this Morning, then clearing. A chance of Showers. A slight chance of Thunderstorms Early, then a chance of Thunderstorms. Breezy and much warmer with Highs in the mid 80s. South Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain 50 percent.

Tonight 28 Apr Thurston

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms in the evening. Breezy and much cooler. Less humid with Lows in the lower 40s. Northwest Winds 20 to 25 Mph with Gusts up to 35 Mph. Chance of rain 40 percent.

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Walthill Temperature Statistics

April Temperature

Sioux City, Sioux Gateway Airport (18 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 (18 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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