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

47°F

8°C

Humidity 30%
Wind Speed SW 6 mph
Barometer 29.31 in (989.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 17 Feb 6:53 am MST
Extended Forecast for

4 Miles WNW Custer State Park 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: Partly sunny, with a high near 52. Breezy, with a west wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 52 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Wind chill values as low as 15. Breezy, with a west wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 36 mph.

    Low: 26 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 41. Wind chill values as low as 19. West wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 24 mph.

    High: 41 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Snow, mainly after 11pm. Low around 12. Wind chill values as low as 2. North wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 12 °F

    Snow

  • Thursday

    Thursday: Snow. High near 18. North wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 1. West wind 3 to 5 mph.

    Low: 1 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27. Light and variable wind becoming south around 6 mph in the morning. Winds could gust as high as 16 mph.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of snow before 11pm. Partly cloudy, with a low around 11. West wind 3 to 5 mph.

    Low: 11 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am. Mostly sunny, with a high near 30.

    High: 30 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Partly sunny, with a high near 52. Breezy, with a west wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph.
Tonight
Partly cloudy, with a low around 26. Wind chill values as low as 15. Breezy, with a west wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 36 mph.
Wednesday
Increasing clouds, with a high near 41. Wind chill values as low as 19. West wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Snow, mainly after 11pm. Low around 12. Wind chill values as low as 2. North wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. High near 18. North wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Mostly cloudy, with a low around 1. West wind 3 to 5 mph.
Friday
Partly sunny, with a high near 27. Light and variable wind becoming south around 6 mph in the morning. Winds could gust as high as 16 mph.
Friday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 11. West wind 3 to 5 mph.
Saturday
A slight chance of snow after 11am. Mostly sunny, with a high near 30.
Saturday Night
Mostly clear, with a low around 8.
Sunday
Mostly sunny, with a high near 30.
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:
4 Miles WNW Custer State Park SD
 43.74°N 103.48°W (Elev. 5600 ft)
Last Update:
6:17 am MST Feb 17, 2026
Forecast Valid:
7am MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation