National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

71°F

22°C

Humidity 12%
Wind Speed W 9 G 20 mph
Barometer 30.11 in (1014.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 19 Mar 2:53 pm MDT
Extended Forecast for

5 Miles E Custer SD

Red Flag Warning March 19, 03:24pm until March 19, 07:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning March 19, 03:24pm until March 19, 07:00pm

    NOW until 7:00pm Thu

    Red Flag Warning

  • Tonight

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 76. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. West wind 5 to 8 mph becoming calm. Winds could gust as high as 17 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. West wind 5 to 13 mph, with gusts as high as 30 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. North wind 8 to 14 mph, with gusts as high as 28 mph.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 56. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. North wind around 6 mph becoming light and variable 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. Light and variable wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 20 mph.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Northwest wind 3 to 5 mph. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 76. 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 51. West wind 5 to 8 mph becoming calm. Winds could gust as high as 17 mph.
Saturday
Sunny, with a high near 84. West wind 5 to 13 mph, with gusts as high as 30 mph.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. North wind 8 to 14 mph, with gusts as high as 28 mph.
Sunday
Partly sunny, with a high near 56. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 33. North wind around 6 mph becoming light and variable in the evening. Winds could gust as high as 17 mph.
Monday
Partly sunny, with a high near 62. Light and variable 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 38.
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 33.
Thursday
A slight chance of snow. Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
Last Update:
2:49 pm MDT Mar 19, 2026
Forecast Valid:
3pm MDT Mar 19, 2026-6pm MDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation