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

51°F

11°C

Humidity 33%
Wind Speed NW 3 mph
Barometer 30.05 in (1012.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 20 Mar 10:53 pm MDT
Extended Forecast for

5 Miles N Custer SD

Red Flag Warning March 20, 11:37pm until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 20, 11:37pm until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Southwest wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of rain before 3am, then a chance of rain and snow between 3am and 4am, then a chance of snow after 4am.  Mostly cloudy, with a low around 37. Breezy, with an east wind 15 to 20 mph becoming north 9 to 14 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow before 11am, then a chance of rain between 11am and noon.  Partly sunny, with a high near 51. North wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 17 mph.  Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Northwest wind 6 to 8 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 58. Southwest wind 6 to 8 mph becoming north in the afternoon.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Northwest wind around 7 mph, with gusts as high as 15 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Northwest wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Northwest wind 8 to 10 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 75. Southwest wind 9 to 15 mph, with gusts as high as 28 mph.
Saturday Night
A chance of rain before 3am, then a chance of rain and snow between 3am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 37. Breezy, with an east wind 15 to 20 mph becoming north 9 to 14 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
A chance of snow before 11am, then a chance of rain between 11am and noon. Partly sunny, with a high near 51. North wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 30. Northwest wind 6 to 8 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 58. Southwest wind 6 to 8 mph becoming north in the afternoon.
Monday Night
Mostly cloudy, with a low around 36. Northwest wind around 7 mph, with gusts as high as 15 mph.
Tuesday
Partly sunny, with a high near 57. Northwest wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Custer SD
 43.84°N 103.61°W (Elev. 6276 ft)
10:37 pm MDT Mar 20, 2026
11pm 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