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

90°F

32°C

Humidity 24%
Wind Speed N 17 G 25 mph
Barometer 30.05 in (1014.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 13 Jul 1:52 pm MDT
Extended Forecast for

Rapid City SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. North wind around 10 mph, with gusts as high as 25 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Northeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 99. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 63. North wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 77 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 66. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 66 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 91. North wind around 10 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 65. Northeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 99. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 63. North wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 66. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
12:49 pm MDT Jul 13, 2025
Forecast Valid:
2pm MDT Jul 13, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation