Scenic Weather Forecast

    • 60
    • 84

    Chance Thunderstorms

    • 60
    • 88

    Slight Chance Thunderstorms

    • 63
    • 93

    Mostly Sunny

    • 62
    • 91

    Mostly Sunny

    • 64
    • 87

    Partly Sunny

    • 65
    • 89

    Slight Chance Thunderstorms

Today 18 Aug Pennington Co Plains

Partly cloudy. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. North Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 18 Aug Pennington Co Plains

Partly cloudy with a chance of Showers. A chance of Thunderstorms in the Evening, then a slight chance of Thunderstorms after midnight. Lows in the upper 50s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Scenic Temperature Statistics

August Temperature

Rapid City, Rapid City Regional Airport (30.4 miles)

  • Lowest 4 August, 2026

    43.6 °F

  • Average August

    73.6 °F

  • Highest 2 August, 2026

    104.6 °F

Climate (2021–2026)

Rapid City, Rapid City Regional Airport (30.4 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    63.3 °F
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