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

49°F

9°C

Humidity 36%
Wind Speed NW 7 mph
Barometer 30.17 in (1016.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 20 Mar 6:53 am MDT
Extended Forecast for

4 Miles ESE Custer County Airport 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 75. West wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. West wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. West wind 8 to 13 mph, with gusts as high as 29 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 38. Northwest wind 9 to 15 mph becoming north in the evening. Winds could gust as high as 28 mph.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of rain and snow before 8am, then a chance of rain between 8am and noon.  Partly sunny, with a high near 53. North wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Northeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 17 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60. Southwest wind around 7 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. North wind around 7 mph, with gusts as high as 17 mph.

    Low: 36 °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 75. West wind 6 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 49. West wind 6 to 10 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 82. West wind 8 to 13 mph, with gusts as high as 29 mph.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Northwest wind 9 to 15 mph becoming north in the evening. Winds could gust as high as 28 mph.
Sunday
A chance of rain and snow before 8am, then a chance of rain between 8am and noon. Partly sunny, with a high near 53. North wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 34. Northeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 60. 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 36. North wind around 7 mph, with gusts as high as 17 mph.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A slight chance of snow. Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
3:48 am MDT Mar 20, 2026
7am 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