Legion Lake Weather Forecast

    • 20
    • 41

    Snow

    • 26
    • 39

    Partly Sunny

    • 29
    • 59

    Snow Likely

    • 28
    • 49

    Chance Snow

    • 12
    • 45

    Rain/Snow

    • 12
    • 26

    Chance Snow

    • 27
    • 39

    Mostly Cloudy

Today 10 Mar Central Black Hills

Snow. Highs in the mid 30s to lower 40s. West Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of snow 90 percent.

Tonight 10 Mar Central Black Hills

Cloudy with snow in the Evening, then partly cloudy with a chance of snow after midnight. Snow accumulation of 1 to 3 Inches. Lows 15 to 20. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of snow 90 percent.

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  • Temperature Real-Time

Legion Lake Temperature Statistics

March Temperature

Custer, Custer County Airport (7.5 miles)

  • Lowest 6 March, 2026

    19.9 °F

  • Average March

    40.7 °F

  • Highest 8 March, 2026

    62.1 °F

Climate (2021–Present)

Custer, Custer County Airport (7.5 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.2 °F

  • Average High 2021–2026

    56.7 °F
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