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

70°F

21°C

Humidity 16%
Wind Speed W 13 G 20 mph
Barometer 30.15 in (1015.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 20 Mar 11:53 am MDT
Extended Forecast for

4 Miles NW Hill City SD

Red Flag Warning March 20, 11:57am until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 20, 11:57am until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Today

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Light west wind. Winds could gust as high as 18 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 26 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of rain showers after midnight, mixing with snow after 5am.  Mostly cloudy, with a low around 35. Northwest wind 5 to 9 mph becoming light north  after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow showers before 9am, then a chance of rain showers.  Partly sunny, with a high near 51. Calm wind becoming northwest around 5 mph. Winds could gust as high as 17 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. Light and variable wind. Winds could gust as high as 15 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 72. West wind 5 to 8 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 49. Light west wind. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 78. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 26 mph.
Saturday Night
A chance of rain showers after midnight, mixing with snow after 5am. Mostly cloudy, with a low around 35. Northwest wind 5 to 9 mph becoming light north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow showers before 9am, then a chance of rain showers. Partly sunny, with a high near 51. Calm wind becoming northwest around 5 mph. Winds could gust as high as 17 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 31. Light and variable wind.
Monday
Partly sunny, with a high near 62. Light and variable wind. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 35. Calm wind.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Hill City SD
 43.97°N 103.62°W (Elev. 5469 ft)
11:07 am MDT Mar 20, 2026
11am MDT Mar 20, 2026-6pm MDT Mar 26, 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