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

27°F

-3°C

Humidity 51%
Wind Speed E 8 mph
Barometer 29.49 in (1002.7 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 18 Feb 4:53 pm MST
Extended Forecast for

4 Miles ESE Custer County Airport SD

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

    Tonight: A 50 percent chance of snow after 8pm.  Increasing clouds, with a low around 12. Wind chill values as low as 2. North wind 7 to 15 mph, with gusts as high as 29 mph.  Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 12 °F

    Chance Snow

  • Thursday

    Thursday: Snow.  High near 18. Wind chill values as low as 3. Northwest wind around 6 mph becoming southeast in the morning. Winds could gust as high as 15 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 18 °F

    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 2. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 2 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 25. Wind chill values as low as 3. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 8. West wind 3 to 6 mph.

    Low: 8 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 32. Northwest wind 5 to 7 mph, with gusts as high as 20 mph.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. Northwest wind 3 to 5 mph.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Light and variable wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 17 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow after 8pm. Increasing clouds, with a low around 12. Wind chill values as low as 2. North wind 7 to 15 mph, with gusts as high as 29 mph. Total nighttime snow accumulation of 1 to 2 inches possible.
Thursday
Snow. High near 18. Wind chill values as low as 3. Northwest wind around 6 mph becoming southeast in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 30 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 2. Southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 25. Wind chill values as low as 3. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 8. West wind 3 to 6 mph.
Saturday
Sunny, with a high near 32. Northwest wind 5 to 7 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 9. Northwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 31. Light and variable wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 17 mph.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 27.
Wednesday
A chance of snow. Mostly sunny, with a high near 44.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
4:17 pm MST Feb 18, 2026
5pm MST Feb 18, 2026-6pm MST Feb 25, 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