Bismark Lake Weather Forecast

    • 23
    • 47

    Chance Rain/Snow

    • 24
    • 44

    Partly Sunny

    • 35
    • 54

    Mostly Sunny

    • 31
    • 64

    Chance Snow

    • 21
    • 42

    Snow Likely

    • 21
    • 40

    Slight Chance Snow

Today 14 Mar Central Black Hills

Mostly cloudy. A slight chance of rain and snow in the Morning, then a chance of snow in the afternoon. Little or no snow accumulation. Breezy with Highs in the lower 40s. Northwest Winds 10 to 15 Mph, increasing to 15 to 25 Mph in the afternoon. Gusts up to 45 Mph. Chance of precipitation 30 percent.

Tonight 14 Mar Central Black Hills

Mostly cloudy with a chance of snow in the Evening, then mostly clear after midnight. Breezy with Lows in the lower 20s. Northwest Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of snow 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bismark Lake Temperature Statistics

March Temperature

Custer, Custer County Airport (5.6 miles)

  • Lowest 5 March, 2025

    7.8 °F
  • Average March

    35.1 °F
  • Highest 2 March, 2025

    61.6 °F

Climate (2020–Present)

Custer, Custer County Airport (5.6 miles)

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  • Average Low 2020–2025

    33 °F
  • Average 2020–2025

    44.6 °F
  • Average High 2020–2025

    55.9 °F
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