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

69°F

21°C

Humidity 17%
Wind Speed W 10 mph
Barometer 30.06 in (1013.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 20 Mar 5:53 pm MDT
Extended Forecast for

10 Miles W Custer County Airport SD

Red Flag Warning March 20, 06:41pm until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 20, 06:41pm until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. West wind 6 to 14 mph, with gusts as high as 30 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after midnight.  Mostly cloudy, with a low around 39. West wind 7 to 15 mph becoming northeast in the evening. Winds could gust as high as 29 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of rain showers before 7am, then a chance of rain and snow showers between 7am and noon, then a slight chance of rain showers after noon.  Partly sunny, with a high near 50. West wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Northwest wind around 7 mph becoming southeast after midnight. Winds could gust as high as 16 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. Southeast wind 5 to 7 mph becoming west 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 38. Northeast wind 7 to 9 mph, with gusts as high as 16 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. North wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Northwest wind 5 to 7 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 77. West wind 6 to 14 mph, with gusts as high as 30 mph.
Saturday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. West wind 7 to 15 mph becoming northeast in the evening. Winds could gust as high as 29 mph.
Sunday
A chance of rain showers before 7am, then a chance of rain and snow showers between 7am and noon, then a slight chance of rain showers after noon. Partly sunny, with a high near 50. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 34. Northwest wind around 7 mph becoming southeast after midnight. Winds could gust as high as 16 mph.
Monday
Partly sunny, with a high near 60. Southeast wind 5 to 7 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 38. Northeast wind 7 to 9 mph, with gusts as high as 16 mph.
Tuesday
Partly sunny, with a high near 60. North wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Custer County Airport SD
 43.75°N 103.81°W (Elev. 6001 ft)
6:32 pm MDT Mar 20, 2026
6pm MDT Mar 20, 2026-6pm MDT Mar 27, 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