Vivian Weather Forecast

    • 58
    • 84

    Increasing Clouds

    • 57
    • 70

    Rain Showers

    • 52
    • 69

    Chance Rain Showers

    • 52
    • 69

    Chance Rain Showers

    • 53
    • 75

    Partly Sunny

    • 55
    • 81

    Mostly Sunny

Today 16 Sep Lyman

Partly sunny. A slight chance of Thunderstorms in the afternoon. Highs in the mid 80s. West Winds 5 to 10 Mph, becoming northwest in the afternoon. Chance of rain 20 percent.

Tonight 16 Sep Lyman

Mostly cloudy with a 20 percent chance of Showers. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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Vivian Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (31.1 miles)

  • Lowest 6 September, 2025

    39 °F

  • Average September

    66.1 °F

  • Highest 12 September, 2025

    90 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (31.1 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    61.2 °F
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