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

56°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 30.09 in (1017.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Jun 5:52 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 south 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. Mostly cloudy, with a low around 52. South wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 86. South wind 10 to 17 mph, with gusts as high as 32 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Breezy, with a south wind 18 to 20 mph, with gusts as high as 39 mph.

    Low: 61 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 93. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 37 mph.

    High: 93 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. South wind 6 to 15 mph becoming northwest after midnight. Winds could gust as high as 31 mph.

    Low: 58 °F

    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 south 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. Mostly cloudy, with a low around 52. South wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 86. South wind 10 to 17 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 61. Breezy, with a south wind 18 to 20 mph, with gusts as high as 39 mph.
Saturday
Mostly sunny, with a high near 93. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 37 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. South wind 6 to 15 mph becoming northwest after midnight. Winds could gust as high as 31 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 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.06°N 103.12°W (Elev. 3189 ft)
Last Update:
4:28 am MDT Jun 25, 2026
Forecast Valid:
6am MDT Jun 25, 2026-6pm MDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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