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

58°F

14°C

Humidity 93%
Wind Speed SE 10 mph
Barometer 29.90 in (1011.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 26 Jun 4:52 am MDT
Extended Forecast for

Rapid Valley SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 84. Breezy, with a southeast wind 11 to 20 mph, with gusts as high as 32 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Breezy, with a south wind 17 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Breezy.
    T-storms
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Breezy, with a south wind 16 to 22 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    High: 93 °F

    Mostly Sunny
    and Breezy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Southwest wind 6 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. West wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 31 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 26 mph.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

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

    High: 84 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Breezy.

    Low: 55 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 84. Breezy, with a southeast wind 11 to 20 mph, with gusts as high as 32 mph.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Breezy, with a south wind 17 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Breezy, with a south wind 16 to 22 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Southwest wind 6 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 90. West wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 26 mph.
Monday
Sunny, with a high near 84. Breezy.
Monday Night
Mostly clear, with a low around 55. Breezy.
Tuesday
Sunny, with a high near 88.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 58.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 95.
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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:
4:37 am MDT Jun 26, 2026
Forecast Valid:
5am MDT Jun 26, 2026-6pm MDT Jul 2, 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