Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

43°F

6°C

Humidity 82%
Wind Speed SE 10 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 11 Apr 6:52 am MDT
Extended Forecast for

9 Miles SW Owanka SD

Red Flag Warning April 11, 12:00pm until April 11, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 87. Breezy, with a south wind 17 to 22 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph.

    High: 87 °F

    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. North wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. Breezy, with a light southwest wind increasing to 19 to 24 mph in the morning. Winds could gust as high as 34 mph.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 42. Breezy, with a northwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

    Low: 42 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 66. North wind 7 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    High: 66 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before midnight.  Partly cloudy, with a low around 38. North wind 5 to 14 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 38 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 87. Breezy, with a south wind 17 to 22 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph.
Tonight
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 80. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 42. North wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 79. Breezy, with a light southwest wind increasing to 19 to 24 mph in the morning. Winds could gust as high as 34 mph.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 42. Breezy, with a northwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. North wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers before midnight. Partly cloudy, with a low around 38. North wind 5 to 14 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A slight chance of showers. Mostly sunny, with a high near 73. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Blustery.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Owanka SD
 43.9°N 102.69°W (Elev. 2598 ft)
6:52 am MDT Apr 11, 2026
7am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database