Horseshoe Lake Weather Forecast

    • 11
    • 19

    Blowing Snow

    • 24
    • 39

    Partly Sunny

    • 11
    • 35

    Mostly Cloudy

    • 15
    • 26

    Mostly Cloudy

    • 17
    • 31

    Partly Sunny

    • 19
    • 34

    Partly Sunny

Today 29 Dec Union

Mostly sunny. Patchy blowing snow. Highs around 18. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 16 below.

Tonight 29 Dec Union

Mostly clear and cold. Near steady temperature around 13. Southwest Winds around 5 Mph.

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Horseshoe Lake Temperature Statistics

December Temperature

Sioux City, Sioux Gateway Airport (17.4 miles)

  • Lowest 14 December, 2025

    -11.9 °F

  • Average December

    26.6 °F

  • Highest 27 December, 2025

    54 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (17.4 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    62.7 °F
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