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
71°F
22°C
| Humidity | 39% |
| Wind Speed | SE 10 mph |
| Barometer | 30.26 in (1023.9 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 4 Oct 12:52 pm MDT |
Extended Forecast for
Rapid Valley SD
This Afternoon
High: 77 °F
Sunny
Tonight
Low: 50 °F
Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 55 °F
Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 52 °F
Mostly Clear
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear
Thursday
High: 71 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 77. Southeast wind 10 to 13 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 50. Southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 87. South wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Clear, with a low around 55. Calm wind becoming west 5 to 8 mph in the evening.
Tuesday
Sunny, with a high near 81. West wind 5 to 13 mph becoming north in the morning.
Tuesday Night
Mostly clear, with a low around 52. North wind 5 to 8 mph becoming west after midnight.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Rapid Valley SD
44.06°N 103.12°W (Elev. 3189 ft)
44.06°N 103.12°W (Elev. 3189 ft)
1:21 pm MDT Oct 4, 2026
1pm MDT Oct 4, 2026-6pm MDT Oct 10, 2026
Additional Resources
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