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

Severe Thunderstorms and Flooding Threat in the Central U.S.; Rip Currents Along East Coast Beaches

Widespread thunderstorms will continue across the central and southern Plains today ahead of an approaching cold front. Heavy to excessive rainfall could lead to instances of flash flooding. Flood Watches have been issued. Swells from Hurricane Gabrielle are likely to cause life-threatening surf and rip current conditions along the U.S. East Coast over the next couple of days. 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 49%
Wind Speed N 8 mph
Barometer 30.24 in (1022.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 23 Sep 5:52 pm MDT
Extended Forecast for

Rapid Valley SD

  • Tonight

    Tonight: Mostly clear, with a low around 49. North wind 6 to 8 mph becoming west in the evening. Winds could gust as high as 17 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. West wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52. East wind around 7 mph becoming southwest after midnight.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83. Southwest wind 7 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50. North wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. West wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 49. North wind 6 to 8 mph becoming west in the evening. Winds could gust as high as 17 mph.
Wednesday
Sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 51. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 82. West wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Clear, with a low around 52. East wind around 7 mph becoming southwest after midnight.
Friday
Sunny, with a high near 83. Southwest wind 7 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Clear, with a low around 50. North wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.
Saturday
Sunny, with a high near 80. West wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.08°N 103.12°W (Elev. 3268 ft)
Last Update:
5:31 pm MDT Sep 23, 2025
Forecast Valid:
6pm MDT Sep 23, 2025-6pm MDT Sep 30, 2025
 
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Additional Resources

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