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.

Fog/Mist

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in (1011.8 mb)
Dewpoint 61°F (16°C)
Visibility 2.00 mi
Last update 2 Sep 9:52 am MDT
Extended Forecast for

3 Miles WSW Rapid City SD

  • Today

    Today: Sunny, with a high near 90. East wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Southwest wind 7 to 9 mph, with gusts as high as 24 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Southwest wind 6 to 8 mph, with gusts as high as 22 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. Southwest wind 6 to 14 mph becoming south 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 68. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 28 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 90. East wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 66. Southwest wind around 10 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 93. Southwest wind 7 to 9 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 63. Southwest wind 6 to 8 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 96. Southwest wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Mostly clear, with a low around 68. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 28 mph.
Saturday
Sunny, with a high near 96.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Labor Day
A slight chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Rapid City SD
 44.05°N 103.3°W (Elev. 3428 ft)
Last Update:
10:16 am MDT Sep 2, 2026
Forecast Valid:
10am MDT Sep 2, 2026-6pm MDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation