Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Partly Cloudy

24°F

-4°C

Humidity 35%
Wind Speed NA
Barometer 30.25 in (1031.1 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 21 Feb 2:53 pm MST
Extended Forecast for

3 Miles NNE Keystone SD

  • Tonight

    Tonight: Mostly clear, with a low around 4. Calm wind.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Wind chill values as low as 8. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14. Light and variable wind becoming southwest around 6 mph in the evening.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. Wind chill values as low as 18 early. West wind around 5 mph becoming calm  in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. West wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. West wind around 9 mph, with gusts as high as 25 mph.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 11pm, then a chance of rain and snow.  Mostly cloudy, with a low around 32. West wind 8 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 11am, then snow likely.  Partly sunny, with a high near 47. West wind 13 to 15 mph, with gusts as high as 38 mph.

    High: 47 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Wednesday Night

    Wednesday Night: A slight chance of snow before 11pm.  Mostly clear, with a low around 27.

    Low: 27 °F

    Slight Chance
    Snow then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 4. Calm wind.
Sunday
Mostly sunny, with a high near 29. Wind chill values as low as 8. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 14. Light and variable wind becoming southwest around 6 mph in the evening.
Monday
Mostly sunny, with a high near 55. Wind chill values as low as 18 early. West wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 36. West wind 5 to 8 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 55. West wind around 9 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. West wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow before 11am, then snow likely. Partly sunny, with a high near 47. West wind 13 to 15 mph, with gusts as high as 38 mph.
Wednesday Night
A slight chance of snow before 11pm. Mostly clear, with a low around 27.
Thursday
Sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 32.
Friday
A slight chance of snow. Mostly sunny, with a high near 52.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21.
Saturday
A chance of snow. Partly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Keystone SD
 43.92°N 103.41°W (Elev. 4708 ft)
1:37 pm MST Feb 21, 2026
3pm MST Feb 21, 2026-6pm MST Feb 28, 2026
 
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