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.

Fair

24°C

76°F

Humidity 52%
Wind Speed NE 7 km/h
Barometer 1012.8 mb (29.98 in)
Dewpoint 14°C (57°F)
Visibility 16 km
Heat Index26°C (78°F)
Last update 12 Jul 7:52 pm MDT
Extended Forecast for

Rapid City SD

  • Tonight

    Tonight: Mostly clear, with a low around 17. East wind 5 to 10 km/h becoming west after midnight.

    Low: 17 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 33. West wind 10 to 15 km/h becoming east in the afternoon. Winds could gust as high as 35 km/h.

    High: 33 °C

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. East wind 10 to 15 km/h becoming south after midnight. Winds could gust as high as 30 km/h.

    Low: 18 °C

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 37. South wind 15 to 20 km/h, with gusts as high as 40 km/h.

    High: 37 °C

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 16. Southeast wind 10 to 15 km/h becoming northwest after midnight. Winds could gust as high as 35 km/h.

    Low: 16 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before noon, then a chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 24. North wind 15 to 25 km/h, with gusts as high as 45 km/h. Chance of precipitation is 40%.

    High: 24 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 13. Northeast wind 15 to 25 km/h, with gusts as high as 45 km/h.

    Low: 13 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 22. Northeast wind 15 to 20 km/h, with gusts as high as 40 km/h.

    High: 22 °C

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 12.

    Low: 12 °C

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 17. East wind 5 to 10 km/h becoming west after midnight.
Sunday
Sunny, with a high near 33. West wind 10 to 15 km/h becoming east in the afternoon. Winds could gust as high as 35 km/h.
Sunday Night
Mostly clear, with a low around 18. East wind 10 to 15 km/h becoming south after midnight. Winds could gust as high as 30 km/h.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 37. South wind 15 to 20 km/h, with gusts as high as 40 km/h.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 16. Southeast wind 10 to 15 km/h becoming northwest after midnight. Winds could gust as high as 35 km/h.
Tuesday
A slight chance of showers and thunderstorms before noon, then a chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 24. North wind 15 to 25 km/h, with gusts as high as 45 km/h. Chance of precipitation is 40%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 13. Northeast wind 15 to 25 km/h, with gusts as high as 45 km/h.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 22. Northeast wind 15 to 20 km/h, with gusts as high as 40 km/h.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 12.
Thursday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 24.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 29.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 16.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 m)
Last Update:
6:29 pm MDT Jul 12, 2025
Forecast Valid:
8pm MDT Jul 12, 2025-6pm MDT Jul 19, 2025
 
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