Current conditions at

Ellsworth Air Force Base (KRCA)

Lat: 44.15°NLon: 103.1°WElev: 3278ft.

Fair

28°C

82°F

Humidity 21%
Wind Speed S 22 G 28 km/h
Barometer 998.2 mb (29.56 in)
Dewpoint 3°C (38°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 10 Oct 5:55 pm MDT
Extended Forecast for

Rapid City SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Southwest wind 8 to 11 km/h becoming north after midnight. Winds could gust as high as 29 km/h.

    Low: 12 °C

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 18. North wind 10 to 14 km/h, with gusts as high as 34 km/h.

    High: 18 °C

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 8. Northeast wind 5 to 11 km/h becoming east after midnight. Winds could gust as high as 27 km/h.

    Low: 8 °C

    Chance
    Showers

  • Columbus Day

    Columbus Day: Cloudy, then gradually becoming mostly sunny, with a high near 17. Southeast wind 5 to 10 km/h becoming east 11 to 16 km/h in the afternoon. Winds could gust as high as 47 km/h.

    High: 17 °C

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 6. North wind 16 to 21 km/h becoming light  after midnight. Winds could gust as high as 50 km/h.

    Low: 6 °C

    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain.  Partly sunny, with a high near 14. Light and variable wind becoming east 6 to 11 km/h in the morning. Winds could gust as high as 27 km/h.

    High: 14 °C

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 6.

    Low: 6 °C

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after noon.  Mostly cloudy, with a high near 13.

    High: 13 °C

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 6.

    Low: 6 °C

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 12. Southwest wind 8 to 11 km/h becoming north after midnight. Winds could gust as high as 29 km/h.
Sunday
Mostly cloudy, with a high near 18. North wind 10 to 14 km/h, with gusts as high as 34 km/h.
Sunday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 8. Northeast wind 5 to 11 km/h becoming east after midnight. Winds could gust as high as 27 km/h.
Columbus Day
Cloudy, then gradually becoming mostly sunny, with a high near 17. Southeast wind 5 to 10 km/h becoming east 11 to 16 km/h in the afternoon. Winds could gust as high as 47 km/h.
Monday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 6. North wind 16 to 21 km/h becoming light after midnight. Winds could gust as high as 50 km/h.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 14. Light and variable wind becoming east 6 to 11 km/h in the morning. Winds could gust as high as 27 km/h.
Tuesday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 6.
Wednesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 13.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 6.
Thursday
A chance of rain. Partly sunny, with a high near 16. Breezy.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 5. Breezy.
Friday
Mostly sunny, with a high near 14.
Friday Night
Partly cloudy, with a low around 4.
Saturday
Sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 m)
3:36 pm MDT Oct 10, 2026
6pm MDT Oct 10, 2026-6pm MDT Oct 17, 2026
 
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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