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

44°F

7°C

Humidity 76%
Wind Speed S 5 mph
Barometer 30.33 in (1026.8 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 4 Oct 5:52 am MDT
Extended Forecast for

Blackhawk SD

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 74. Southwest wind 5 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph.

    High: 74 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. Southeast wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 85. West wind around 5 mph becoming calm  in the afternoon. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Calm wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. West wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. North wind around 5 mph becoming light and variable. Winds could gust as high as 17 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 74. Southwest wind 5 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph.
Tonight
Clear, with a low around 53. Southeast wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 85. West wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 57. Calm wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 78. West wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 52. North wind around 5 mph becoming light and variable. Winds could gust as high as 17 mph.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Blackhawk SD
 44.16°N 103.34°W (Elev. 3835 ft)
5:16 am MDT Oct 4, 2026
6am MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database