Walthill Weather Forecast

    • -6
    • 17

    Decreasing Clouds

    • -6
    • 9

    Cold

    • -11
    • 7

    Cold

    • 6
    • 17

    Partly Sunny

    • 14
    • 34

    Mostly Cloudy

    • 11
    • 30

    Mostly Cloudy

Today 18 Jan Thurston

Mostly sunny. Much cooler with Highs around 16. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Wind chill Values as low as 13 below.

Tonight 18 Jan Thurston

Partly cloudy in the Evening, then clearing. Colder with Lows around 5 below. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 27 below.

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Walthill Temperature Statistics

January Temperature

Sioux City, Sioux Gateway Airport (18 miles)

  • Lowest 14 January, 2025

    -4 °F

  • Average January

    18.9 °F

  • Highest 15 January, 2025

    41 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (18 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    62.3 °F
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