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

Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

54°F

12°C

Humidity 24%
Wind Speed W 9 mph
Barometer 30.19 in (1020.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 6 Feb 12:53 pm MST
Extended Forecast for

3 Miles NNE Keystone SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. Southeast wind around 5 mph, with gusts as high as 15 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. South wind around 6 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60. Northwest wind 6 to 10 mph, with gusts as high as 29 mph.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West wind around 6 mph, with gusts as high as 17 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 63. West wind 3 to 6 mph. Winds could gust as high as 17 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Calm wind becoming west around 6 mph after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. West wind around 7 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 29. Northwest wind around 6 mph, with gusts as high as 16 mph.

    Low: 29 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 55. Southeast wind around 5 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 40. South wind around 6 mph becoming west after midnight. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 60. Northwest wind 6 to 10 mph, with gusts as high as 29 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West wind around 6 mph, with gusts as high as 17 mph.
Sunday
Partly sunny, with a high near 63. West wind 3 to 6 mph. Winds could gust as high as 17 mph.
Sunday Night
Mostly cloudy, with a low around 39. Calm wind becoming west around 6 mph after midnight.
Monday
Partly sunny, with a high near 57. West wind around 7 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 29. Northwest wind around 6 mph, with gusts as high as 16 mph.
Tuesday
A chance of snow. Mostly cloudy, with a high near 41.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A chance of snow. Mostly cloudy, with a high near 40.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 23.
Thursday
Sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Keystone SD
 43.92°N 103.41°W (Elev. 4708 ft)
Last Update:
12:21 pm MST Feb 6, 2026
Forecast Valid:
1pm MST Feb 6, 2026-6pm MST Feb 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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