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. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday 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

49°F

9°C

Humidity 39%
Wind Speed W 8 mph
Barometer 30.16 in (1016.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 19 Mar 6:53 am MDT
Extended Forecast for

6 Miles NNW Keystone SD

Red Flag Warning March 19, 11:00am until March 19, 07:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Mostly sunny, with a high near 76. West wind 3 to 8 mph. Winds could gust as high as 25 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Northwest wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. West wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. West wind 3 to 8 mph. Winds could gust as high as 26 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 36. North wind 5 to 7 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain and snow before 9am, then a slight chance of snow between 9am and 11am, then a slight chance of rain after 11am.  Partly sunny, with a high near 53. North wind 3 to 7 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Northeast wind around 5 mph becoming light and variable. Winds could gust as high as 17 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. West wind 3 to 8 mph. Winds could gust as high as 25 mph.
Tonight
Partly cloudy, with a low around 44. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Friday
Mostly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 49. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 82. West wind 3 to 8 mph. Winds could gust as high as 26 mph.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36. North wind 5 to 7 mph, with gusts as high as 26 mph.
Sunday
A slight chance of rain and snow before 9am, then a slight chance of snow between 9am and 11am, then a slight chance of rain after 11am. Partly sunny, with a high near 53. North wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 30. Northeast wind around 5 mph becoming light and variable. Winds could gust as high as 17 mph.
Monday
Partly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
6:51 am MDT Mar 19, 2026
7am MDT Mar 19, 2026-6pm MDT Mar 25, 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