Scenic Weather Forecast

    • 28
    • 62

    Slight Chance Rain

    • 32
    • 42

    Chance Rain/Snow

    • 19
    • 60

    Chance Snow

    • 5
    • 24

    Chance Snow

    • 3
    • 17

    Mostly Cloudy

    • 21
    • 41

    Partly Sunny

    • 26
    • 47

    Partly Sunny

Today 9 Dec Pennington Co Plains

Windy. Partly cloudy with a 40 percent chance of rain. Highs in the lower 60s. Northwest Winds 25 to 40 Mph with Gusts up to 60 Mph.

Tonight 9 Dec Pennington Co Plains

Mostly clear and windy. Lows in the upper 20s. Northwest Winds 25 to 35 Mph. Gusts up to 55 Mph, decreasing to 40 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Scenic Temperature Statistics

December Temperature

Rapid City, Rapid City Regional Airport (30.4 miles)

  • Lowest 1 December, 2025

    1.9 °F

  • Average December

    28 °F

  • Highest 7 December, 2025

    46 °F

Climate (2020–Present)

Rapid City, Rapid City Regional Airport (30.4 miles)

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  • Average Low 2020–2025

    35.5 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    62.3 °F
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