Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

22°F

-6°C

Humidity 71%
Wind Speed W 9 mph
Barometer 29.91 in (1018.6 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 4 Dec 4:53 am MST
Extended Forecast for

3 Miles NNE Keystone SD

  • Today

    Today: Mostly sunny, with a high near 39. Wind chill values as low as 20. Northwest wind 6 to 8 mph, with gusts as high as 22 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a steady temperature around 29. Wind chill values as low as 19. West wind 6 to 8 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly sunny, with a high near 36. Wind chill values as low as 19. Northwest wind 5 to 9 mph, with gusts as high as 26 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 11pm.  Mostly cloudy, with a steady temperature around 25. Wind chill values as low as 18. South wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow.  Mostly cloudy, with a temperature rising to near 29 by 11am, then falling to around 20 during the remainder of the day. North wind around 6 mph, with gusts as high as 18 mph.  New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 13. Calm wind becoming southwest around 5 mph after midnight.

    Low: 13 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 37. Northwest wind around 7 mph, with gusts as high as 23 mph.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. West wind 6 to 9 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 39. Wind chill values as low as 20. Northwest wind 6 to 8 mph, with gusts as high as 22 mph.
Tonight
A 20 percent chance of snow after 11pm. Mostly cloudy, with a steady temperature around 29. Wind chill values as low as 19. West wind 6 to 8 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 36. Wind chill values as low as 19. Northwest wind 5 to 9 mph, with gusts as high as 26 mph.
Friday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a steady temperature around 25. Wind chill values as low as 18. South wind 3 to 6 mph. Winds could gust as high as 15 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a temperature rising to near 29 by 11am, then falling to around 20 during the remainder of the day. North wind around 6 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 37. Northwest wind around 7 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 25. West wind 6 to 9 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A slight chance of rain. Partly sunny, with a high near 48.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Wednesday
A chance of snow. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Keystone SD
 43.92°N 103.41°W (Elev. 4708 ft)
4:32 am MST Dec 4, 2025
5am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
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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