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

67°F

19°C

Humidity 17%
Wind Speed Calm
Barometer 30.16 in (1015.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 20 Mar 10:53 am MDT
Extended Forecast for

6 Miles NW Hill City 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: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. West wind 3 to 5 mph. Winds could gust as high as 18 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Southwest wind 5 to 9 mph, with gusts as high as 26 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of rain showers after midnight, mixing with snow after 4am.  Mostly cloudy, with a low around 35. North wind 5 to 9 mph, with gusts 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 noon, then a chance of rain showers.  Partly sunny, with a high near 49. Northwest wind 3 to 6 mph. Winds could gust as high as 17 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. Calm wind becoming southwest around 5 mph after midnight.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. Southwest wind around 5 mph becoming calm  in the afternoon. Winds could gust as high as 15 mph.

    High: 60 °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 70. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 49. West wind 3 to 5 mph. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 76. Southwest wind 5 to 9 mph, with gusts as high as 26 mph.
Saturday Night
A chance of rain showers after midnight, mixing with snow after 4am. Mostly cloudy, with a low around 35. North wind 5 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow showers before noon, then a chance of rain showers. Partly sunny, with a high near 49. Northwest wind 3 to 6 mph. Winds could gust as high as 17 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 32. Calm wind becoming southwest around 5 mph after midnight.
Monday
Partly sunny, with a high near 60. Southwest wind around 5 mph becoming calm in the afternoon. 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 59.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
A slight chance of snow. Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Hill City SD
 43.99°N 103.65°W (Elev. 5823 ft)
10:23 am MDT Mar 20, 2026
10am 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