National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

73°F

23°C

Humidity 18%
Wind Speed NW 8 mph
Barometer 30.05 in (1016.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 Mar 9:52 am MDT
Extended Forecast for

4 Miles WNW Colonial Pine Hills SD

Red Flag Warning until March 20, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until March 20, 09:00pm

    NOW until 9:00pm Fri

    Red Flag Warning

  • Today

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind 3 to 6 mph. Winds could gust as high as 16 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. West wind 5 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. North wind 6 to 14 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 56. North wind 3 to 7 mph. Winds could gust as high as 17 mph.

    High: 56 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Northeast wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66. Light and variable wind becoming east around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 79. Northwest wind 5 to 7 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 52. West wind 3 to 6 mph. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 85. West wind 5 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. North wind 6 to 14 mph, with gusts as high as 25 mph.
Sunday
A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 56. North wind 3 to 7 mph. Winds could gust as high as 17 mph.
Sunday Night
Partly cloudy, with a low around 34. Northeast wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 66. Light and variable wind becoming east around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Colonial Pine Hills SD
 44.03°N 103.38°W (Elev. 4206 ft)
Last Update:
10:23 am MDT Mar 20, 2026
Forecast Valid:
10am MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation