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

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

57°F

14°C

Humidity 24%
Wind Speed NW 7 mph
Barometer 29.96 in (1008.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 21 Mar 5:53 am MDT
Extended Forecast for

2 Miles W Hill City SD

Red Flag Warning March 21, 06:48am until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 21, 06:48am until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Today

    High: 79 °F

    Sunny

  • Tonight

    Tonight: A chance of rain after midnight, mixing with snow after 4am.  Increasing clouds, with a low around 38. East wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 10am, then a chance of rain between 10am and noon.  Mostly cloudy, then gradually becoming sunny, with a high near 53. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 53 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. Calm wind becoming southwest around 5 mph. Winds could gust as high as 17 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 22 mph.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Southeast wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 79. Southwest wind 6 to 10 mph, with gusts as high as 26 mph.
Tonight
A chance of rain after midnight, mixing with snow after 4am. Increasing clouds, with a low around 38. East wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow before 10am, then a chance of rain between 10am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 53. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 33. Light and variable wind. Winds could gust as high as 16 mph.
Monday
Mostly sunny, with a high near 61. Calm wind becoming southwest around 5 mph. Winds could gust as high as 17 mph.
Monday Night
Mostly cloudy, with a low around 38. Light and variable wind.
Tuesday
Partly sunny, with a high near 61. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Southeast wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 52.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 50.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hill City SD
 43.93°N 103.62°W (Elev. 5587 ft)
3:48 am MDT Mar 21, 2026
6am 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