Fort Pierre National Grassland Weather Forecast

    • 33
    • 39

    Rain

    • 30
    • 44

    Rain

    • 25
    • 37

    Snow Likely

    • 24
    • 41

    Mostly Cloudy

    • 26
    • 45

    Partly Sunny

    • 24
    • 47

    Partly Sunny

Today 31 Mar Lyman

Mostly cloudy. Southeast Winds 10 to 15 Mph.

Tonight 31 Mar Lyman

Breezy. Mostly cloudy. Rain after midnight. Lows in the lower 30s. Southeast Winds 15 to 25 Mph. Gusts up to 40 Mph after midnight.

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Fort Pierre National Grassland Temperature Statistics

March Temperature

Pierre, Pierre Regional Airport (15.5 miles)

  • Lowest 11 March, 2025

    14.8 °F

  • Average March

    40.8 °F

  • Highest 13 March, 2025

    77.6 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    61.1 °F
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