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

63°F

17°C

Humidity 90%
Wind Speed W 6 mph
Barometer 30.23 in (1021.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Aug 11:52 pm MDT
Extended Forecast for

3 Miles NNE Rapid City SD

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Light northwest wind.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    High: 81 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 59. Southeast wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 18 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. West wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming light and variable. Winds could gust as high as 17 mph.

    Low: 58 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. West wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 81.

    High: 81 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 58.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Light northwest wind.
Sunday
Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 59. Southeast wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 18 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. West wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming light and variable. Winds could gust as high as 17 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. West wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Wednesday
A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 81.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 88.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Rapid City SD
 44.12°N 103.21°W (Elev. 3268 ft)
Last Update:
11:41 pm MDT Aug 15, 2026
Forecast Valid:
12am MDT Aug 16, 2026-6pm MDT Aug 22, 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