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 >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

19°F

-7°C

Humidity 88%
Wind Speed SW 8 mph
Barometer 30.02 in (1021.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 3 Dec 10:53 pm MST
Extended Forecast for

4 Miles NW Keystone SD

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 22 by 2am. Wind chill values as low as 6. West wind around 10 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38. Wind chill values as low as 11. West wind 7 to 9 mph, with gusts as high as 25 mph.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a steady temperature around 26. Wind chill values as low as 16. West wind around 9 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33. Wind chill values as low as 16. Northwest wind 7 to 9 mph, with gusts as high as 24 mph.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 11pm.  Mostly cloudy, with a low around 17. West wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 17 °F

    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow.  Mostly cloudy, with a high near 27. North wind 5 to 7 mph, with gusts as high as 18 mph.  Little or no snow accumulation expected.

    High: 27 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 13. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 13 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 34. West wind around 7 mph, with gusts as high as 23 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 22 by 2am. Wind chill values as low as 6. West wind around 10 mph, with gusts as high as 22 mph.
Thursday
Partly sunny, with a high near 38. Wind chill values as low as 11. West wind 7 to 9 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a steady temperature around 26. Wind chill values as low as 16. West wind around 9 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 33. Wind chill values as low as 16. Northwest wind 7 to 9 mph, with gusts as high as 24 mph.
Friday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 17. West wind 6 to 8 mph, with gusts as high as 17 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 27. North wind 5 to 7 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 15 mph.
Sunday
Mostly sunny, with a high near 34. West wind around 7 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Wednesday
A chance of snow. Partly sunny, with a high near 38.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Keystone SD
 43.94°N 103.47°W (Elev. 5482 ft)
9:41 pm MST Dec 3, 2025
11pm MST Dec 3, 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