Snow in the Rockies; Showers and Thunderstorms Along the Gulf Coast; Potential Winter Storm for Northern Mid-Atlantic and Interior New England

A winter-like pattern will continue over much of the Lower 48 over the next few days, with snow stretching from the Rockies today into the Middle Mississippi Valley on Monday. Showers and thunderstorms will develop along the Gulf Coast and Southeast on Monday. As the storm moves northward late Monday into Tuesday, winter weather is possible from the Central Appalachians to Interior New England. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

17°F

-8°C

Humidity 47%
Wind Speed NW 7 mph
Barometer 29.89 in (1019.4 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 1 Dec 4:53 am MST
Extended Forecast for

3 Miles NE Keystone SD

  • Today

    Today: Sunny, with a high near 35. Wind chill values as low as 4. Northwest wind 6 to 10 mph, with gusts as high as 25 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a steady temperature around 25. Wind chill values as low as 16. West wind 5 to 7 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of snow after 11am.  Mostly cloudy, with a high near 41. Wind chill values as low as 20. West wind around 6 mph, with gusts as high as 18 mph.

    High: 41 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 17. North wind around 7 mph, with gusts as high as 20 mph.  New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 11am.  Partly sunny, with a high near 25. North wind 5 to 7 mph becoming light and variable  in the afternoon. Winds could gust as high as 17 mph.

    High: 25 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a temperature falling to near 15 by 9pm, then rising to around 23 during the remainder of the night. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. West wind 6 to 8 mph, with gusts as high as 21 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. West wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 35. Wind chill values as low as 4. Northwest wind 6 to 10 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a steady temperature around 25. Wind chill values as low as 16. West wind 5 to 7 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 41. Wind chill values as low as 20. West wind around 6 mph, with gusts as high as 18 mph.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. North wind around 7 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 25. North wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Partly cloudy, with a temperature falling to near 15 by 9pm, then rising to around 23 during the remainder of the night. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 40. West wind 6 to 8 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 24. West wind 6 to 8 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 39.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Saturday
A chance of snow. Partly sunny, with a high near 37.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Keystone SD
 43.92°N 103.38°W (Elev. 4416 ft)
4:26 am MST Dec 1, 2025
5am MST Dec 1, 2025-6pm MST Dec 7, 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