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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

28°F

-2°C

Humidity 66%
Wind Speed NW 10 G 22 mph
Barometer 30.02 in (1017.1 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 10 Dec 12:53 am MST
Extended Forecast for

Hot Springs SD

  • Overnight

    Overnight: Increasing clouds, with a low around 28. West wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 45. West wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a temperature falling to near 35 by 10pm, then rising to around 41 during the remainder of the night. West wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 35 °F⇑

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. West wind 9 to 16 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain before midnight, then a chance of rain and snow between midnight and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 22. Northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: A 50 percent chance of snow. Cloudy, with a high near 29. East wind 5 to 9 mph, with gusts as high as 16 mph. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 9. Northeast wind 3 to 6 mph.

    Low: 9 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow before 11am. Partly sunny, with a high near 24. East wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 24 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Overnight
Increasing clouds, with a low around 28. West wind 6 to 10 mph, with gusts as high as 24 mph.
Wednesday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 45. West wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a temperature falling to near 35 by 10pm, then rising to around 41 during the remainder of the night. West wind 6 to 8 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 61. West wind 9 to 16 mph, with gusts as high as 30 mph.
Thursday Night
A chance of rain before midnight, then a chance of rain and snow between midnight and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 22. Northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Cloudy, with a high near 29. East wind 5 to 9 mph, with gusts as high as 16 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 9. Northeast wind 3 to 6 mph.
Saturday
A slight chance of snow before 11am. Partly sunny, with a high near 24. East wind 6 to 8 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hot Springs SD
 43.44°N 103.48°W (Elev. 3599 ft)
Last Update:
11:12 pm MST Dec 9, 2025
Forecast Valid:
12am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation