National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Mostly Cloudy

27°F

-3°C

Humidity 61%
Wind Speed SW 7 mph
Barometer 30.02 in (1019.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 10 Dec 7:53 am MST
Extended Forecast for

6 Miles W Hill City SD

  • Today

    Today: Snow likely after 11am, mixing with rain after 5pm. Mostly cloudy, with a high near 36. Wind chill values as low as 15. Northwest wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Mostly cloudy, with a temperature rising to around 39 by 2am. West wind 13 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

    Low: 34 °F⇑

    Rain Likely
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain before 3pm, then rain likely, possibly mixed with snow. Increasing clouds, with a temperature rising to near 44 by 11am, then falling to around 35 during the remainder of the day. West wind around 14 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F⇓

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 19. Northwest wind 6 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 26. Southwest wind 3 to 6 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 26 °F

    Snow Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a temperature rising to around 25 by 1am. Southwest wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.

    Low: 21 °F⇑

    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 28. Northwest wind 5 to 7 mph, with gusts as high as 20 mph.

    High: 28 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15. Southwest wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 15 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

Today
Snow likely after 11am, mixing with rain after 5pm. Mostly cloudy, with a high near 36. Wind chill values as low as 15. Northwest wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain likely, mainly before 8pm. Mostly cloudy, with a temperature rising to around 39 by 2am. West wind 13 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Thursday
A chance of rain before 3pm, then rain likely, possibly mixed with snow. Increasing clouds, with a temperature rising to near 44 by 11am, then falling to around 35 during the remainder of the day. West wind around 14 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 19. Northwest wind 6 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 26. Southwest wind 3 to 6 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a temperature rising to around 25 by 1am. Southwest wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 28. Northwest wind 5 to 7 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 15. Southwest wind 6 to 8 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Hill City SD
 43.95°N 103.71°W (Elev. 6598 ft)
Last Update:
6:41 am MST Dec 10, 2025
Forecast Valid:
8am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation