National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 Windy

74°F

23°C

Humidity 36%
Wind Speed NW 30 G 43 mph
Barometer 30.14 in (1019.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 3 Oct 10:52 am MDT
Extended Forecast for

8 Miles SW Blackhawk SD

  • Today

    Today: Sunny, with a high near 70. Northwest wind 10 to 13 mph, with gusts as high as 36 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 41. North wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 70. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 21 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 47. Light and variable wind. Winds could gust as high as 17 mph.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83. Light and variable wind. Winds could gust as high as 16 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Light and variable wind. Winds could gust as high as 17 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 70. Northwest wind 10 to 13 mph, with gusts as high as 36 mph.
Tonight
Increasing clouds, with a low around 41. North wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 70. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Clear, with a low around 47. Light and variable wind. Winds could gust as high as 17 mph.
Monday
Sunny, with a high near 83. Light and variable wind. Winds could gust as high as 16 mph.
Monday Night
Mostly clear, with a low around 53. Light and variable wind. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Blackhawk SD
 44.09°N 103.45°W (Elev. 4505 ft)
Last Update:
10:41 am MDT Oct 3, 2026
Forecast Valid:
11am MDT Oct 3, 2026-6pm MDT Oct 9, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation