Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair and Breezy

72°F

22°C

Humidity 31%
Wind Speed NW 22 G 33 mph
Barometer 30.24 in (1022.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 3 Oct 3:52 pm MDT
Extended Forecast for

Rapid City Regional Airport SD

  • Tonight

    Tonight: Clear during the early evening, then becoming mostly cloudy, with a low around 44. North wind 11 to 16 mph becoming light and variable. Winds could gust as high as 32 mph.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 76. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 76 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49. East wind 5 to 9 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. Calm wind becoming east around 6 mph. Winds could gust as high as 16 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Calm wind becoming west 5 to 8 mph in the evening. Winds could gust as high as 16 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. West wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear during the early evening, then becoming mostly cloudy, with a low around 44. North wind 11 to 16 mph becoming light and variable. Winds could gust as high as 32 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 76. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Clear, with a low around 49. East wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 86. Calm wind becoming east around 6 mph. Winds could gust as high as 16 mph.
Monday Night
Mostly clear, with a low around 56. Calm wind becoming west 5 to 8 mph in the evening. Winds could gust as high as 16 mph.
Tuesday
Sunny, with a high near 82. West wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City Regional Airport SD
 44.04°N 103.06°W (Elev. 3100 ft)
3:51 pm MDT Oct 3, 2026
4pm MDT Oct 3, 2026-6pm MDT Oct 10, 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