Rapid City Weather Forecast

    • 45
    • 85

    Chance Rain Showers

    • 49
    • 72

    Mostly Sunny

    • 47
    • 79

    Chance Rain Showers

    • 44
    • 63

    Chance Rain Showers

    • 43
    • 65

    Chance Rain Showers

    • 47
    • 72

    Slight Chance Thunderstorms

Today 17 May Rapid City

Sunny. Highs in the mid 80s. West Winds 5 to 10 Mph, increasing to southwest 10 to 20 Mph in the afternoon.

Tonight 17 May Rapid City

Mostly clear with a slight chance of Showers and Thunderstorms. Breezy with Lows in the mid 40s. Northwest Winds 20 to 30 Mph with Gusts up to 50 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rapid City Temperature Statistics

May Temperature

Ellsworth Air Force Base (8.1 miles)

  • Lowest 4 May, 2024

    28.8 °F

  • Average May

    53.6 °F

  • Highest 13 May, 2024

    77 °F

Climate (2019–Present)

Ellsworth Air Force Base (8.1 miles)

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  • Average Low 2019–2024

    37 °F

  • Average 2019–2024

    48.5 °F

  • Average High 2019–2024

    60.1 °F
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