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

72°F

22°C

Humidity 11%
Wind Speed NW 13 G 22 mph
Barometer 30.09 in (1013.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 19 Mar 3:53 pm MDT
Extended Forecast for

2 Miles WNW Custer SD

Red Flag Warning March 19, 04:47pm until March 19, 07:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning March 19, 04:47pm until March 19, 07:00pm

    NOW until 7:00pm Thu

    Red Flag Warning

  • Tonight

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. West wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. West wind 3 to 8 mph. Winds could gust as high as 16 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. West wind 6 to 13 mph, with gusts as high as 29 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. North wind 9 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 53. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. North wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59. Southwest wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Northwest wind 3 to 6 mph. Winds could gust as high as 17 mph.
Friday
Sunny, with a high near 73. West wind 5 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 50. West wind 3 to 8 mph. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 80. West wind 6 to 13 mph, with gusts as high as 29 mph.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. North wind 9 to 14 mph, with gusts as high as 28 mph.
Sunday
Partly sunny, with a high near 53. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 32. North wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph.
Monday
Partly sunny, with a high near 59. Southwest wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 32.
Thursday
A slight chance of snow. Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Custer SD
 43.78°N 103.63°W (Elev. 5600 ft)
Last Update:
2:49 pm MDT Mar 19, 2026
Forecast Valid:
4pm 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