Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

57°F

14°C

Humidity 21%
Wind Speed N 3 mph
Barometer 30.14 in (1015.8 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 19 Mar 9:53 pm MDT
Extended Forecast for

4 Miles E Custer SD

Red Flag Warning March 20, 10:00am until March 20, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Tonight

    Tonight: Mostly clear, with a low around 48. Light northwest wind.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. West wind 5 to 8 mph becoming calm. Winds could gust as high as 16 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 29 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 37. North wind 6 to 11 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of rain and snow before 9am, then a chance of rain.  Partly sunny, with a high near 55. North wind 5 to 7 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 55 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 20 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Light northwest wind.
Friday
Sunny, with a high near 77. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 50. West wind 5 to 8 mph becoming calm. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 29 mph.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. North wind 6 to 11 mph, with gusts as high as 28 mph.
Sunday
A chance of rain and snow before 9am, then a chance of rain. Partly sunny, with a high near 55. North wind 5 to 7 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 33. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Monday
Partly sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34.
Thursday
A slight chance of snow. Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
9:57 pm MDT Mar 19, 2026
10pm MDT Mar 19, 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