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

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

34°F

1°C

Humidity 56%
Wind Speed Vrbl 3 mph
Barometer 29.94 in (1015.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 8 Dec 6:53 pm MST
Extended Forecast for

Hot Springs SD

High Wind Warning December 9, 08:00am until December 10, 02:00am
Click here for hazard details and duration
High Wind Warning

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. West wind 6 to 11 mph, with gusts as high as 16 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am. Mostly sunny, with a high near 57. Windy, with a west wind 18 to 23 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 49 mph.

    High: 57 °F

    Chance Rain
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Wind chill values as low as 20. Blustery, with a northwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.

    Low: 27 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of snow before noon, then a chance of rain and snow between noon and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 44. Southwest wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 38. West wind 7 to 9 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 49. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 13. Northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 13 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 24. East wind 3 to 7 mph.

    High: 24 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow before 11pm. Mostly cloudy, with a low around 10.

    Low: 10 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. West wind 6 to 11 mph, with gusts as high as 16 mph.
Tuesday
A 30 percent chance of rain, mainly after 11am. Mostly sunny, with a high near 57. Windy, with a west wind 18 to 23 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 49 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Wind chill values as low as 20. Blustery, with a northwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.
Wednesday
A chance of snow before noon, then a chance of rain and snow between noon and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 44. Southwest wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 38. West wind 7 to 9 mph, with gusts as high as 22 mph.
Thursday
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 49. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Thursday Night
Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 13. Northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Friday
A chance of snow. Mostly cloudy, with a high near 24. East wind 3 to 7 mph.
Friday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 10.
Saturday
Partly sunny, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 46.
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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:
5:32 pm MST Dec 8, 2025
Forecast Valid:
7pm MST Dec 8, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation