Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

29°F

-2°C

Humidity 66%
Wind Speed Calm
Barometer 29.98 in (1018.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 10 Dec 9:53 am MST
Extended Forecast for

5 Miles NNW Custer SD

  • Today

    Today: A 50 percent chance of snow, mainly after 1pm.  Mostly cloudy, with a high near 43. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 23 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: 43 °F

    Slight Chance
    Snow then
    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 2am.  Mostly cloudy, with a temperature rising to around 40 by 2am. West wind around 10 mph, with gusts as high as 28 mph.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 5pm.  Mostly sunny, with a high near 50. West wind 10 to 14 mph, with gusts as high as 37 mph.  Chance of precipitation is 60%.

    High: 50 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain and snow likely, becoming all snow after 8pm.  Mostly cloudy, with a low around 20. Northwest wind 8 to 13 mph becoming light  after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 29. South wind 3 to 6 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a temperature rising to around 25 by 2am. Calm wind becoming northwest around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 21 °F

    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow before 11am.  Partly sunny, with a high near 32. Northwest wind around 6 mph, with gusts as high as 17 mph.

    High: 32 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 14. West wind 3 to 6 mph. Winds could gust as high as 16 mph.

    Low: 14 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 43. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 23 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 50 percent chance of rain, mainly before 2am. Mostly cloudy, with a temperature rising to around 40 by 2am. West wind around 10 mph, with gusts as high as 28 mph.
Thursday
Rain likely, mainly after 5pm. Mostly sunny, with a high near 50. West wind 10 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Thursday Night
Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 20. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 29. South wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a temperature rising to around 25 by 2am. Calm wind becoming northwest around 5 mph after midnight. Winds could gust as high as 15 mph.
Saturday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 32. Northwest wind around 6 mph, with gusts as high as 17 mph.
Saturday Night
Partly cloudy, with a low around 14. West wind 3 to 6 mph. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Custer SD
 43.82°N 103.64°W (Elev. 5804 ft)
10:22 am MST Dec 10, 2025
10am MST Dec 10, 2025-6pm MST Dec 16, 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