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

58°F

14°C

Humidity 31%
Wind Speed NW 3 mph
Barometer 30.16 in (1016.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 Mar 8:53 am MDT
Extended Forecast for

4 Miles SW Mount Rushmore 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 72. West wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. West wind 9 to 11 mph, with gusts as high as 28 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of rain before 4am, then a chance of rain and snow between 4am and 5am, then a chance of snow after 5am.  Mostly cloudy, with a low around 36. North wind 10 to 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    Low: 36 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow before noon, then a slight chance of rain.  Partly sunny, with a high near 51. North wind 6 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 51 °F

    Chance Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight.  Partly cloudy, with a low around 33. North wind around 7 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 58. Southwest wind around 7 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. North wind around 7 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 72. West wind 8 to 11 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 48. West wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 79. West wind 9 to 11 mph, with gusts as high as 28 mph.
Saturday Night
A chance of rain before 4am, then a chance of rain and snow between 4am and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 36. North wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday
A chance of snow before noon, then a slight chance of rain. Partly sunny, with a high near 51. North wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 33. North wind around 7 mph becoming south after midnight. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 58. Southwest wind around 7 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 33. North wind around 7 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
A slight chance of snow. Mostly sunny, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
7:03 am MDT Mar 20, 2026
9am 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