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

40°F

4°C

Humidity 79%
Wind Speed N 16 G 25 mph
Barometer 29.93 in (1009.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 21 Mar 10:53 pm MDT
Extended Forecast for

8 Miles W Hill City SD

  • Tonight

    Tonight: A 40 percent chance of snow showers, mainly after 3am.  Cloudy, with a low around 31. North wind 6 to 14 mph, with gusts as high as 30 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A 50 percent chance of snow showers before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 46. Northwest wind 6 to 9 mph, with gusts as high as 24 mph.  New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Northwest wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56. South wind around 7 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. North wind around 6 mph becoming light and variable. Winds could gust as high as 17 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. West wind 6 to 9 mph, with gusts as high as 22 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Northwest wind 5 to 8 mph becoming southeast in the evening. Winds could gust as high as 21 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. West wind 8 to 10 mph, with gusts as high as 29 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow showers, mainly after 3am. Cloudy, with a low around 31. North wind 6 to 14 mph, with gusts as high as 30 mph. Total nighttime snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 46. Northwest wind 6 to 9 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 27. Northwest wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 21 mph.
Monday
Partly sunny, with a high near 56. South wind around 7 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 31. North wind around 6 mph becoming light and variable. Winds could gust as high as 17 mph.
Tuesday
Partly sunny, with a high near 58. West wind 6 to 9 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Northwest wind 5 to 8 mph becoming southeast in the evening. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 68. West wind 8 to 10 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Hill City SD
 43.95°N 103.74°W (Elev. 6398 ft)
9:48 pm MDT Mar 21, 2026
11pm MDT Mar 21, 2026-6pm MDT Mar 28, 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