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

54°F

12°C

Humidity 77%
Wind Speed NW 8 mph
Barometer 29.95 in (1012.6 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 3 Oct 1:52 am MDT
Extended Forecast for

Blackhawk SD

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 58. West wind around 8 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71. Breezy, with a northwest wind 8 to 13 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.

    High: 71 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 46. North wind 10 to 15 mph becoming light and variable. Winds could gust as high as 30 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 72. Southwest wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 51. Southeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 21 mph.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83. East wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 16 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °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 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 58. West wind around 8 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 71. Breezy, with a northwest wind 8 to 13 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.
Saturday Night
Increasing clouds, with a low around 46. North wind 10 to 15 mph becoming light and variable. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 72. Southwest wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Clear, with a low around 51. Southeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 83. East wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blackhawk SD
 44.16°N 103.31°W (Elev. 3514 ft)
Last Update:
12:31 am MDT Oct 3, 2026
Forecast Valid:
2am MDT Oct 3, 2026-6pm MDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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