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

60°F

16°C

Humidity 22%
Wind Speed W 9 mph
Barometer 30.17 in (1017.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 19 Mar 10:53 am MDT
Extended Forecast for

4 Miles E Hill City SD

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

    NOW until 7:00pm Thu

    Red Flag Warning

  • Today

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 74. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 28 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 38. North wind 7 to 9 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 54. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 54 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 73. Light northwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Friday
Sunny, with a high near 74. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly clear, with a low around 50. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 82. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 28 mph.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 38. North wind 7 to 9 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 54. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hill City SD
 43.93°N 103.5°W (Elev. 5197 ft)
Last Update:
10:48 am MDT Mar 19, 2026
Forecast Valid:
11am MDT Mar 19, 2026-6pm MDT Mar 25, 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