Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

68°F

20°C

Humidity 57%
Wind Speed SE 13 mph
Barometer 29.77 in (1006.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 11 Oct 9:52 am MDT
Extended Forecast for

Rapid City SD

  • Today

    Today: Partly sunny, with a high near 80. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 53. Breezy, with a south wind 10 to 15 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 31 mph.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 37 mph.

    High: 65 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 31. Northwest wind 12 to 17 mph becoming light and variable  after midnight. Winds could gust as high as 26 mph.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Columbus Day

    Columbus Day: Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 58. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 29 mph.

    High: 58 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Southeast wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Southeast wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon.  Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 80. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 53. Breezy, with a south wind 10 to 15 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 31 mph.
Sunday
Mostly sunny, with a high near 65. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 37 mph.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. Northwest wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Columbus Day
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 58. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 40. Southeast wind 9 to 13 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 60. Southeast wind 9 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 41. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 65.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 46.
Thursday
A chance of showers. Mostly sunny, with a high near 64.
Thursday Night
A chance of showers. Partly cloudy, with a low around 42.
Friday
A slight chance of showers. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.21°W (Elev. 3189 ft)
9:32 am MDT Oct 11, 2025
9am MDT Oct 11, 2025-6pm MDT Oct 17, 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