National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Overcast

57°F

14°C

Humidity 83%
Wind Speed N 3 mph
Barometer 30.08 in (1017.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Jun 6:52 am MDT
Extended Forecast for

Rapid Valley SD

  • Today

    Today: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 65. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 53. South wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 85. South wind 10 to 18 mph, with gusts as high as 32 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. Breezy, with a south wind 18 to 20 mph, with gusts as high as 39 mph.

    Low: 62 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 38 mph.

    High: 92 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 58. South wind 7 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph.

    Low: 58 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 86. Breezy.

    High: 86 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 84. Breezy.

    High: 84 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 65. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 53. South wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 85. South wind 10 to 18 mph, with gusts as high as 32 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. Breezy, with a south wind 18 to 20 mph, with gusts as high as 39 mph.
Saturday
Mostly sunny, with a high near 92. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 38 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 58. South wind 7 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 86. Breezy.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Monday
Sunny, with a high near 84. Breezy.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.08°N 103.12°W (Elev. 3268 ft)
Last Update:
6:37 am MDT Jun 25, 2026
Forecast Valid:
7am MDT Jun 25, 2026-6pm MDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation