Atmospheric River in the West; Strong Winds in the Northeast

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. today into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. today into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

34°F

1°C

Humidity 97%
Wind Speed SW 6 mph
Barometer 30.27 in (1024.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 5 Nov 5:53 am MST
Extended Forecast for

6 Miles NNW Keystone SD

  • Today

    Today: Sunny, with a high near 56. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 25 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Southwest wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 28 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61. Northwest wind 7 to 13 mph, with gusts as high as 26 mph.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm.  Mostly clear, with a low around 35. West wind around 8 mph, with gusts as high as 28 mph.

    Low: 35 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: A 30 percent chance of rain after 5pm.  Mostly sunny, with a high near 56. West wind around 6 mph, with gusts as high as 18 mph.

    High: 56 °F

    Sunny then
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain and snow before 9pm, then a chance of snow.  Mostly cloudy, with a low around 31. Northwest wind 5 to 11 mph, with gusts as high as 37 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow showers.  Mostly sunny, with a high near 37. Northwest wind 10 to 15 mph, with gusts as high as 43 mph.

    High: 37 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Northwest wind 3 to 7 mph. Winds could gust as high as 22 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 56. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, with a low around 44. Southwest wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 28 mph.
Thursday
Partly sunny, with a high near 61. Northwest wind 7 to 13 mph, with gusts as high as 26 mph.
Thursday Night
A 20 percent chance of showers before 11pm. Mostly clear, with a low around 35. West wind around 8 mph, with gusts as high as 28 mph.
Friday
A 30 percent chance of rain after 5pm. Mostly sunny, with a high near 56. West wind around 6 mph, with gusts as high as 18 mph.
Friday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 31. Northwest wind 5 to 11 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 37. Northwest wind 10 to 15 mph, with gusts as high as 43 mph.
Saturday Night
Partly cloudy, with a low around 22. Northwest wind 3 to 7 mph. Winds could gust as high as 22 mph.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 40.
Veterans Day
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
5:27 am MST Nov 5, 2025
6am MST Nov 5, 2025-6pm MST Nov 11, 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