Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

78°F

26°C

Humidity 28%
Wind Speed S 20 G 35 mph
Barometer 29.94 in (1012.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 8 Oct 2:52 pm MDT
Extended Forecast for

2 Miles NNE Rapid City SD

  • Tonight

    Tonight: Clear, with a low around 51. South wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

    Low: 51 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78. West wind 5 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 71. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 28 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 53. South wind around 11 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78. South wind 11 to 16 mph, with gusts as high as 31 mph.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. South wind around 10 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after noon.  Mostly sunny, with a high near 71. Breezy, with a southwest wind 11 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 71 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 51. South wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 78. West wind 5 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 47. Light and variable wind.
Friday
Mostly sunny, with a high near 71. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 28 mph.
Friday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 53. South wind around 11 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 78. South wind 11 to 16 mph, with gusts as high as 31 mph.
Saturday Night
Partly cloudy, with a low around 53. South wind around 10 mph, with gusts as high as 24 mph.
Sunday
A chance of showers, mainly after noon. Mostly sunny, with a high near 71. Breezy, with a southwest wind 11 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 39.
Columbus Day
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 65.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 44.
Wednesday
A slight chance of showers. Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Rapid City SD
 44.1°N 103.21°W (Elev. 3314 ft)
1:26 pm MDT Oct 8, 2025
3pm MDT Oct 8, 2025-6pm MDT Oct 15, 2025
 
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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