Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

69°F

21°C

Humidity 47%
Wind Speed SE 5 mph
Barometer 29.79 in (1006.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Sep 12:52 am MDT
Extended Forecast for

Rapid Valley SD

  • Overnight

    Overnight: Partly cloudy, with a low around 64. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 93. Southwest wind 7 to 10 mph becoming northeast in the morning. Winds could gust as high as 24 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Southwest wind 5 to 9 mph becoming light  after midnight. Winds could gust as high as 23 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. South wind 6 to 15 mph becoming west after midnight. Winds could gust as high as 29 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. West wind 5 to 9 mph becoming east in the morning. Winds could gust as high as 21 mph.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 93. Southwest wind 7 to 10 mph becoming northeast in the morning. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 62. Southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 23 mph.
Friday
Sunny, with a high near 96. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Mostly clear, with a low around 66. South wind 6 to 15 mph becoming west after midnight. Winds could gust as high as 29 mph.
Saturday
Sunny, with a high near 97. West wind 5 to 9 mph becoming east in the morning. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 63.
Labor Day
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 91.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.06°N 103.15°W (Elev. 3107 ft)
12:31 am MDT Sep 3, 2026
1am MDT Sep 3, 2026-6pm MDT Sep 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database