Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

20°F

-7°C

Humidity 71%
Wind Speed NW 7 mph
Barometer 29.49 in (1001.7 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 18 Feb 5:53 am MST
Extended Forecast for

4 Miles E Custer SD

Winter Weather Advisory February 18, 11:00pm until February 19, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Mostly sunny, with a high near 43. Wind chill values as low as 17. West wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 22 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow likely, mainly after 11pm.  Cloudy, with a low around 9. Northeast wind 5 to 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 9 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely.  Cloudy, with a high near 18. Wind chill values as low as 7. Light and variable wind becoming east around 5 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 1. Calm wind.

    Low: 1 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Increasing clouds, with a high near 27. Calm wind becoming southeast around 5 mph. Winds could gust as high as 15 mph.

    High: 27 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 10. Calm wind.

    Low: 10 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 32. Northwest wind 3 to 6 mph. Winds could gust as high as 18 mph.

    High: 32 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. Light west wind.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 43. Wind chill values as low as 17. West wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 22 mph.
Tonight
Snow likely, mainly after 11pm. Cloudy, with a low around 9. Northeast wind 5 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely. Cloudy, with a high near 18. Wind chill values as low as 7. Light and variable wind becoming east around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 1. Calm wind.
Friday
A 20 percent chance of snow after 11am. Increasing clouds, with a high near 27. Calm wind becoming southeast around 5 mph. Winds could gust as high as 15 mph.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 10. Calm wind.
Saturday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 32. Northwest wind 3 to 6 mph. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 8. Light west wind.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
2:42 am MST Feb 18, 2026
6am MST Feb 18, 2026-6pm MST Feb 24, 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