National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

50°F

10°C

Humidity 28%
Wind Speed SW 8 G 22 mph
Barometer 29.34 in (990.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 17 Feb 5:53 am MST
Extended Forecast for

2 Miles WNW Custer SD

Red Flag Warning February 17, 11:00am until February 17, 06:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: A 10 percent chance of snow showers after 5pm. Partly sunny, with a high near 48. Breezy, with a west wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 48 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tonight

    Tonight: A 20 percent chance of snow showers before 8pm. Partly cloudy, with a low around 24. Wind chill values as low as 12. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 36 mph.

    Low: 24 °F

    Slight Chance
    Snow Showers
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: A 20 percent chance of snow after 1pm. Increasing clouds, with a high near 41. Wind chill values as low as 17. West wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 23 mph.

    High: 41 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly after 11pm. Low around 11. Wind chill values as low as 4. North wind 6 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 11 °F

    Snow

  • Thursday

    Thursday: Snow. High near 18. Northwest wind around 7 mph becoming southwest in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 0. Light west wind.

    Low: 0 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27. Southwest wind 3 to 7 mph. Winds could gust as high as 16 mph.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow before 11pm. Partly cloudy, with a low around 9. Calm wind becoming northwest around 5 mph after midnight.

    Low: 9 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am. Sunny, with a high near 29.

    High: 29 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A 10 percent chance of snow showers after 5pm. Partly sunny, with a high near 48. Breezy, with a west wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 43 mph.
Tonight
A 20 percent chance of snow showers before 8pm. Partly cloudy, with a low around 24. Wind chill values as low as 12. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 36 mph.
Wednesday
A 20 percent chance of snow after 1pm. Increasing clouds, with a high near 41. Wind chill values as low as 17. West wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Snow, mainly after 11pm. Low around 11. Wind chill values as low as 4. North wind 6 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. High near 18. Northwest wind around 7 mph becoming southwest in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Partly cloudy, with a low around 0. Light west wind.
Friday
Mostly sunny, with a high near 27. Southwest wind 3 to 7 mph. Winds could gust as high as 16 mph.
Friday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 9. Calm wind becoming northwest around 5 mph after midnight.
Saturday
A slight chance of snow after 11am. Sunny, with a high near 29.
Saturday Night
Mostly clear, with a low around 7.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Custer SD
 43.78°N 103.63°W (Elev. 5600 ft)
Last Update:
2:46 am MST Feb 17, 2026
Forecast Valid:
6am MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation