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 >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Light Snow

31°F

-1°C

Humidity 76%
Wind Speed Vrbl 5 mph
Barometer 29.84 in (1013.0 mb)
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Wind Chill26°F (-3°C)
Last update 10 Dec 2:53 pm MST
Extended Forecast for

14 Miles NW Edgemont SD

  • This Afternoon

    This Afternoon: A 50 percent chance of rain.  Mostly cloudy, with a high near 44. Northeast wind around 6 mph.

    High: 44 °F

    Chance Rain

  • Tonight

    Tonight: A 50 percent chance of rain before 11pm.  Mostly cloudy, with a low around 35. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Increasing clouds, with a high near 57. Breezy, with a northwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 57 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 11pm, then a chance of rain and snow between 11pm and midnight, then a chance of snow after midnight.  Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow and
    Blustery then
    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Cloudy, with a high near 31. West wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 15 mph.  New snow accumulation of less than one inch possible.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 16. Southeast wind 6 to 8 mph.

    Low: 16 °F

    Chance Snow

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 31. Southeast wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 16 mph.

    High: 31 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13. Southeast wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 13 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Mostly cloudy, with a high near 44. Northeast wind around 6 mph.
Tonight
A 50 percent chance of rain before 11pm. Mostly cloudy, with a low around 35. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of rain after 11am. Increasing clouds, with a high near 57. Breezy, with a northwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph.
Thursday Night
A chance of rain before 11pm, then a chance of rain and snow between 11pm and midnight, then a chance of snow after midnight. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Cloudy, with a high near 31. West wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 15 mph. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 16. Southeast wind 6 to 8 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 31. Southeast wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 13. Southeast wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NW Edgemont SD
 43.46°N 103.99°W (Elev. 3645 ft)
1:26 pm MST Dec 10, 2025
3pm MST Dec 10, 2025-6pm MST Dec 17, 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