Horseshoe Lake Weather Forecast

    • 34
    • 54

    Gradual Clearing

    • 43
    • 66

    Mostly Cloudy

    • 47
    • 80

    Partly Sunny

    • 24
    • 65

    Mostly Cloudy

    • 26
    • 50

    Mostly Sunny

    • 35
    • 59

    Partly Sunny

Today 23 Mar Union

Mostly sunny in the Morning, then mostly cloudy with a chance of Sprinkles in the afternoon. Highs in the lower 50s. South Winds 15 to 20 Mph.

Tonight 23 Mar Union

Mostly cloudy with a chance of Sprinkles in the Evening, then partly cloudy after midnight. Lows in the mid 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Horseshoe Lake Temperature Statistics

March Temperature

Sioux City, Sioux Gateway Airport (17.4 miles)

  • Lowest 16 March, 2026

    5.6 °F

  • Average March

    40.2 °F

  • Highest 20 March, 2026

    82 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (17.4 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    63.2 °F
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