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

48°F

9°C

Humidity 34%
Wind Speed NW 3 mph
Barometer 30.15 in (1015.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 20 Mar 4:53 am MDT
Extended Forecast for

4 Miles SSW Hill City SD

Red Flag Warning March 20, 10:00am until March 20, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Sunny, with a high near 73. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. West wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 26 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of rain after midnight, mixing with snow after 5am.  Mostly cloudy, with a low around 35. North wind 5 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    Low: 35 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then a chance of rain after 10am.  Partly sunny, with a high near 53. North wind 3 to 6 mph. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of snow after midnight, mixing with rain after 4am.  Partly cloudy, with a low around 32. Light and variable wind. Winds could gust as high as 16 mph.  Chance of precipitation is 20%.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Monday

    Monday: Partly sunny, with a high near 60. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. North wind around 5 mph, with gusts as high as 16 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Mostly clear, with a low around 47. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Saturday
Sunny, with a high near 79. 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 after midnight, mixing with snow after 5am. Mostly cloudy, with a low around 35. North wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then a chance of rain after 10am. Partly sunny, with a high near 53. North wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of snow after midnight, mixing with rain after 4am. Partly cloudy, with a low around 32. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 60. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 33. North wind around 5 mph, with gusts as high as 16 mph.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A slight chance of snow. Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Hill City SD
 43.87°N 103.58°W (Elev. 5650 ft)
3:48 am MDT Mar 20, 2026
5am 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