Downstream Recreation Area(South) Weather Forecast

    • 19
    • 40

    Mostly Sunny

    • 28
    • 42

    Mostly Cloudy

    • 27
    • 52

    Mostly Cloudy

    • 30
    • 42

    Mostly Cloudy

    • 34
    • 53

    Partly Sunny

    • 31
    • 51

    Partly Sunny

Today 20 Dec Stanley

Mostly sunny. Highs around 40. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Dec Stanley

Mostly cloudy with a chance of rain and snow. Breezy and not as cold with Lows in the mid 20s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 40 percent.

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Downstream Recreation Area(South) Temperature Statistics

December Temperature

Pierre, Pierre Regional Airport (6.2 miles)

  • Lowest 14 December, 2025

    -9.9 °F

  • Average December

    24.7 °F

  • Highest 17 December, 2025

    55 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    61.2 °F
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