Mount Rushmore National Memorial Weather Forecast

    • 8
    • 20

    Slight Chance Snow

    • 28
    • 35

    Chance Snow

    • 45
    • 61

    Partly Sunny

    • 46
    • 70

    Partly Sunny

    • 49
    • 73

    Partly Sunny

    • 46
    • 73

    Partly Sunny

Today 15 Mar Central Black Hills

Partly cloudy. A chance of snow this Morning, then a slight chance of snow this afternoon. Little or no additional snow accumulation. Much cooler with Highs 15 to 20. North Winds 10 to 15 Mph with Gusts up to 40 Mph. Chance of snow 50 percent. Wind chill Values around 10 below this morning.

Tonight 15 Mar Central Black Hills

Mostly clear. Lows zero to 5 above. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values around 5 below.

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Mount Rushmore National Memorial Temperature Statistics

March Temperature

Custer, Custer County Airport (12.4 miles)

  • Lowest 11 March, 2026

    16 °F

  • Average March

    37.4 °F

  • Highest 8 March, 2026

    62.1 °F

Climate (2021–Present)

Custer, Custer County Airport (12.4 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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