Fort Pierre National Grassland Weather Forecast

    • 43
    • 73

    Partly Sunny

    • 47
    • 67

    Partly Sunny

    • 36
    • 65

    Mostly Cloudy

    • 31
    • 53

    Slight Chance Rain Showers

    • 33
    • 55

    Mostly Sunny

    • 40
    • 63

    Partly Sunny

Today 2 May Lyman

Mostly sunny. Much warmer with Highs in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 2 May Lyman

Mostly cloudy. Not as cool with Lows in the lower 40s. Northwest Winds 10 to 15 Mph.

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Fort Pierre National Grassland Temperature Statistics

May Temperature

Pierre, Pierre Regional Airport (15.5 miles)

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  • Average May

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Climate (2021–Present)

Pierre, Pierre Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    61.5 °F
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