Rapid City Regional Airport Weather Forecast

    • 30
    • 59

    Rain Showers

    • 30
    • 57

    Mostly Sunny

    • 34
    • 62

    Mostly Sunny

    • 41
    • 73

    Partly Sunny

    • 40
    • 68

    Chance Rain Showers

    • 43
    • 72

    Partly Sunny

Today 29 Apr Pennington Co Plains

Partly cloudy with scattered Showers. Near steady temperature in the upper 50s. Northwest Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 29 Apr Pennington Co Plains

Partly cloudy and breezy. Lows in the lower 30s. North Winds 15 to 25 Mph with Gusts up to 35 Mph, becoming northwest 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rapid City Regional Airport Temperature Statistics

April Temperature

Rapid City, Rapid City Regional Airport (0 miles)

  • Lowest 18 April, 2026

    19.7 °F

  • Average April

    44.9 °F

  • Highest 11 April, 2026

    86.6 °F

Climate (2021–Present)

Rapid City, Rapid City Regional Airport (0 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    63.2 °F
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