Lake Nixon Weather Forecast

    • 68
    • 92

    Increasing Clouds

    • 63
    • 86

    Chance Thunderstorms

    • 64
    • 86

    Mostly Sunny

    • 61
    • 86

    Rain Showers Likely

    • 58
    • 77

    Chance Thunderstorms

    • 55
    • 76

    Chance Rain Showers

Today 13 Sep Union

Mostly sunny. Highs in the lower 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 13 Sep Union

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the upper 60s. South Winds 10 to 15 Mph.

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Lake Nixon Temperature Statistics

September Temperature

Le Mars Municipal Airport (21.1 miles)

  • Lowest 11 September, 2025

    60.8 °F

  • Average September

    73.3 °F

  • Highest 11 September, 2025

    84.2 °F

Climate (2020–Present)

Le Mars Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    37.3 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    59.5 °F
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