Horseshoe Lake Weather Forecast

    • 17
    • 31

    Mostly Cloudy

    • 21
    • 54

    Mostly Cloudy

    • 24
    • 40

    Chance Rain/Snow

    • 32
    • 54

    Mostly Sunny

    • 22
    • 64

    Partly Sunny

    • 12
    • 36

    Chance Snow

    • 15
    • 30

    Chance Snow

Today 23 Feb Union

Sunny. Highs around 30. South Winds 15 to 20 Mph.

Tonight 23 Feb Union

Mostly cloudy. Not as cool with Lows around 18. Temperature rising into the mid 20s after midnight. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Horseshoe Lake Temperature Statistics

February Temperature

Sioux City, Sioux Gateway Airport (17.4 miles)

  • Lowest 21 February, 2026

    9 °F

  • Average February

    36.7 °F

  • Highest 9 February, 2026

    75.7 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (17.4 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    63.2 °F
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