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

83°F

28°C

Humidity 46%
Wind Speed S 13 mph
Barometer 29.98 in (1012.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 9 Aug 12:52 pm MDT
Extended Forecast for

Rapid City SD

  • This Afternoon

    This Afternoon: Areas of smoke after 2pm. Mostly sunny, with a high near 91. Southeast wind 11 to 14 mph, with gusts as high as 28 mph.

    High: 91 °F

    Areas Smoke

  • Tonight

    Tonight: Areas of smoke. Partly cloudy, with a low around 65. Southeast wind 5 to 14 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

    Low: 65 °F

    Areas Smoke

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke. Mostly sunny, with a high near 95. Southwest wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 24 mph.

    High: 95 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm. Areas of smoke. Partly cloudy, with a low around 64. East wind 5 to 9 mph becoming light and variable. Winds could gust as high as 23 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Areas Smoke

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Areas of smoke. Mostly sunny, with a high near 92. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 23 mph.

    High: 92 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East wind 5 to 10 mph becoming light and variable. Winds could gust as high as 22 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Partly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon. Cloudy, with a high near 72.

    High: 72 °F

    Showers

Detailed Forecast

This Afternoon
Areas of smoke after 2pm. Mostly sunny, with a high near 91. Southeast wind 11 to 14 mph, with gusts as high as 28 mph.
Tonight
Areas of smoke. Partly cloudy, with a low around 65. Southeast wind 5 to 14 mph becoming southwest after midnight. Winds could gust as high as 26 mph.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke. Mostly sunny, with a high near 95. Southwest wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 24 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Areas of smoke. Partly cloudy, with a low around 64. East wind 5 to 9 mph becoming light and variable. Winds could gust as high as 23 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Areas of smoke. Mostly sunny, with a high near 92. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East wind 5 to 10 mph becoming light and variable. Winds could gust as high as 22 mph.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Thursday
Showers, with thunderstorms also possible after noon. Cloudy, with a high near 72.
Thursday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 56.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76.
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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:
12:36 pm MDT Aug 9, 2026
Forecast Valid:
1pm MDT Aug 9, 2026-6pm MDT Aug 15, 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