Dan's Airport Weather Forecast

    • 48
    • 72

    Partly Sunny

    • 54
    • 71

    Mostly Cloudy

    • 43
    • 77

    Mostly Sunny

    • 46
    • 71

    Partly Sunny

    • 45
    • 77

    Partly Sunny

    • 48
    • 78

    Mostly Sunny

Today 12 Sep Pennington Co Plains

Partly cloudy. Highs in the lower 70s. North Winds around 5 Mph, becoming east with Gusts up to 20 Mph this afternoon.

Tonight 12 Sep Pennington Co Plains

Partly cloudy. A slight chance of Showers after midnight. Lows around 50. East Winds 10 to 20 Mph. Chance of rain 20 percent.

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Dan's Airport Temperature Statistics

September Temperature

Rapid City, Rapid City Regional Airport (0 miles)

  • Lowest 8 September, 2026

    51.7 °F

  • Average September

    73.8 °F

  • Highest 4 September, 2026

    97.6 °F

Climate (2021–2026)

Rapid City, Rapid City Regional Airport (0 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    63.4 °F
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