Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

66°F

19°C

Humidity 19%
Wind Speed W 3 mph
Barometer 30.06 in (1013.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 20 Mar 6:53 pm MDT
Extended Forecast for

7 Miles WSW Hill City SD

Red Flag Warning March 20, 07:45pm until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 20, 07:45pm until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. West wind 6 to 11 mph, with gusts as high as 30 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of rain showers after midnight, mixing with snow after 4am.  Mostly cloudy, with a low around 35. West wind 6 to 13 mph becoming east in the evening. Winds could gust as high as 29 mph.  Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow showers before noon, then a slight chance of rain showers.  Partly sunny, with a high near 48. North wind 5 to 7 mph becoming west in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm. Winds could gust as high as 16 mph.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. Southwest wind around 6 mph becoming light and variable  in the afternoon. Winds could gust as high as 16 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. Northeast wind around 7 mph becoming northwest after midnight. Winds could gust as high as 15 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. Northwest wind 7 to 9 mph becoming south in the afternoon. Winds could gust as high as 24 mph.

    High: 58 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West wind 3 to 6 mph. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 74. West wind 6 to 11 mph, with gusts as high as 30 mph.
Saturday Night
A chance of rain showers after midnight, mixing with snow after 4am. Mostly cloudy, with a low around 35. West wind 6 to 13 mph becoming east in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Partly sunny, with a high near 48. North wind 5 to 7 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm. Winds could gust as high as 16 mph.
Monday
Partly sunny, with a high near 57. Southwest wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 35. Northeast wind around 7 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 58. Northwest wind 7 to 9 mph becoming south in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
A slight chance of snow. Mostly sunny, with a high near 45.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Hill City SD
 43.9°N 103.7°W (Elev. 6047 ft)
6:52 pm MDT Mar 20, 2026
7pm MDT Mar 20, 2026-6pm MDT Mar 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database