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

70°F

21°C

Humidity 59%
Wind Speed Calm
Barometer 29.99 in (1013.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Jul 8:52 pm MDT
Extended Forecast for

Rapid City SD

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind around 5 mph becoming west after midnight.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 99. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 99 °F

    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 61. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    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 76. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 56 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Northeast wind around 10 mph, with gusts as high as 25 mph.

    High: 72 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 62. South wind around 5 mph becoming west after midnight.
Sunday
Sunny, with a high near 91. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 65. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 99. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
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 76. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Northeast wind around 10 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Thursday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 85.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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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 ft)
Last Update:
6:29 pm MDT Jul 12, 2025
Forecast Valid:
9pm MDT Jul 12, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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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