Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

77°F

25°C

Humidity 18%
Wind Speed E 9 mph
Barometer 29.77 in (1006.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 21 Mar 12:52 pm MDT
Extended Forecast for

Owanka SD

Red Flag Warning until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 91 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of showers after midnight.  Mostly cloudy, with a low around 38. Windy, with a north wind 26 to 31 mph becoming north 13 to 18 mph in the evening. Winds could gust as high as 43 mph.

    Low: 38 °F

    Partly Cloudy
    and Windy
    then Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A 30 percent chance of showers before noon.  Partly sunny, with a high near 60. North wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 60 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Northwest wind 5 to 13 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 69. South wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Northeast wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. North wind 6 to 15 mph becoming east in the afternoon. Winds could gust as high as 23 mph.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. East wind 7 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Breezy, with a south wind 11 to 21 mph becoming southwest. Winds could gust as high as 29 mph.
Tonight
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 38. Windy, with a north wind 26 to 31 mph becoming north 13 to 18 mph in the evening. Winds could gust as high as 43 mph.
Sunday
A 30 percent chance of showers before noon. Partly sunny, with a high near 60. North wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 34. Northwest wind 5 to 13 mph becoming east after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 69. South wind 6 to 16 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 37. Northeast wind 5 to 10 mph, with gusts as high as 16 mph.
Tuesday
Partly sunny, with a high near 68. North wind 6 to 15 mph becoming east in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 40. East wind 7 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph.
Wednesday
Mostly sunny, with a high near 78. Breezy.
Wednesday Night
Partly cloudy, with a low around 38. Breezy.
Thursday
Mostly sunny, with a high near 60. Breezy.
Thursday Night
Mostly cloudy, with a low around 29. Blustery.
Friday
Partly sunny, with a high near 56. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Owanka SD
 44.02°N 102.57°W (Elev. 2598 ft)
12:37 pm MDT Mar 21, 2026
12pm MDT Mar 21, 2026-6pm MDT Mar 27, 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