Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast

Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

59°F

15°C

Humidity 51%
Wind Speed SE 5 mph
Barometer 30.25 in (1023.1 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 9 Oct 8:52 pm MDT
Extended Forecast for

2 Miles ENE Wasta SD

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 72. Light and variable wind becoming southeast 13 to 18 mph in the morning. Winds could gust as high as 25 mph.

    High: 72 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 56. Southeast wind 16 to 18 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 80. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph.

    High: 80 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. South wind 10 to 16 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 75. Breezy, with a south wind 13 to 18 mph becoming northwest 24 to 29 mph in the morning. Winds could gust as high as 39 mph.

    High: 75 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Breezy, with a northwest wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 56. Northwest wind 10 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Calm wind.
Friday
Increasing clouds, with a high near 72. Light and variable wind becoming southeast 13 to 18 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. Southeast wind 16 to 18 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 80. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 56. South wind 10 to 16 mph, with gusts as high as 23 mph.
Sunday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 75. Breezy, with a south wind 13 to 18 mph becoming northwest 24 to 29 mph in the morning. Winds could gust as high as 39 mph.
Sunday Night
Mostly clear, with a low around 35. Breezy, with a northwest wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.
Columbus Day
Sunny, with a high near 56. Northwest wind 10 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 67.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Wasta SD
 44.09°N 102.4°W (Elev. 2359 ft)
8:22 pm MDT Oct 9, 2025
9pm MDT Oct 9, 2025-6pm MDT Oct 16, 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