Rapid Valley Weather Forecast

    • 62
    • 96

    Areas Smoke

    • 62
    • 92

    Chance Thunderstorms

    • 56
    • 85

    Thunderstorms Likely

    • 54
    • 73

    Rain Showers

    • 54
    • 76

    Rain Showers Likely

    • 55
    • 77

    Rain Showers Likely

Today 10 Aug Rapid City

Partly cloudy. Areas of smoke. Highs in the mid 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 10 Aug Rapid City

Partly cloudy in the Evening, then clearing. Areas of smoke. Lows in the mid 60s. North Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rapid Valley Temperature Statistics

August Temperature

Rapid City, Rapid City Regional Airport (4.3 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 (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads