Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

44°F

7°C

Humidity 45%
Wind Speed E 8 mph
Barometer 30.17 in (1024.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Apr 6:52 pm MDT
Extended Forecast for

Rapid City SD

  • Tonight

    Tonight: Mostly clear, with a low around 30. East wind around 5 mph becoming calm  in the evening.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 60. Breezy, with a light south wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 36 mph.

    High: 60 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. South wind 13 to 18 mph, with gusts as high as 32 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 83. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Sunny, with a high near 77. West wind 10 to 13 mph, with gusts as high as 28 mph.

    High: 77 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 47. West wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers after noon.  Partly sunny, with a high near 71. Southwest wind 6 to 15 mph, with gusts as high as 29 mph.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 30. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 60. Breezy, with a light south wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 36 mph.
Friday Night
Mostly cloudy, with a low around 46. South wind 13 to 18 mph, with gusts as high as 32 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 83. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.
Saturday Night
A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 77. West wind 10 to 13 mph, with gusts as high as 28 mph.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 47. West wind 5 to 9 mph, with gusts as high as 21 mph.
Monday
A chance of showers after noon. Partly sunny, with a high near 71. Southwest wind 6 to 15 mph, with gusts as high as 29 mph.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 41.
Tuesday
Showers likely. Partly sunny, with a high near 57.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 38.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 66.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 41.
Thursday
A chance of showers. Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
6:47 pm MDT Apr 9, 2026
7pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
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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