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

71°F

22°C

Humidity 15%
Wind Speed W 15 G 30 mph
Barometer 30.08 in (1013.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 20 Mar 3:53 pm MDT
Extended Forecast for

5 Miles N Custer SD

Red Flag Warning March 20, 04:18pm until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 20, 04:18pm 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 76. West wind 8 to 13 mph, with gusts as high as 28 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of rain showers after midnight, mixing with snow after 3am.  Mostly cloudy, with a low around 36. Northwest wind 9 to 18 mph becoming north in the evening. Winds could gust as high as 26 mph.  Chance of precipitation is 30%.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow showers before 1pm, then a slight chance of snow showers between 1pm and 2pm, then a slight chance of rain showers after 2pm.  Partly sunny, with a high near 49. North wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 17 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. North wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 58. Southwest wind 5 to 9 mph becoming north in the afternoon.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. Northeast wind around 9 mph becoming northwest after midnight. Winds could gust as high as 15 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Northwest wind around 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. West wind 7 to 9 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 76. West wind 8 to 13 mph, with gusts as high as 28 mph.
Saturday Night
A chance of rain showers after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 36. Northwest wind 9 to 18 mph becoming north in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow showers before 1pm, then a slight chance of snow showers between 1pm and 2pm, then a slight chance of rain showers after 2pm. Partly sunny, with a high near 49. North wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 31. North wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 58. Southwest wind 5 to 9 mph becoming north in the afternoon.
Monday Night
Mostly cloudy, with a low around 35. Northeast wind around 9 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 57. Northwest wind around 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)
3:28 pm MDT Mar 20, 2026
4pm 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