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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

42°F

6°C

Humidity 53%
Wind Speed W 15 G 33 mph
Barometer 29.59 in (1001.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 9 Dec 9:53 am MST
Extended Forecast for

Custer County Airport SD

  • Today

    Today: A chance of rain before 3pm, then a slight chance of rain and snow between 3pm and 4pm, then a slight chance of snow after 4pm. Partly sunny, with a temperature falling to around 35 by 5pm. Breezy, with a west wind 17 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 49 °F⇓

    Breezy.
    Chance Rain
    then Chance
    Rain/Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Wind chill values as low as 15. Blustery, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph.

    Low: 22 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Snow likely before 4pm, then rain and snow likely. Mostly cloudy, with a high near 40. Wind chill values as low as 15. Northwest wind 5 to 9 mph becoming southwest in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a steady temperature around 37. West wind 7 to 10 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain before 4pm, then rain likely, possibly mixed with snow. Partly sunny, with a high near 48. West wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 13. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 24. Southwest wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    High: 24 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 9. South wind around 5 mph becoming northwest after midnight.

    Low: 9 °F

    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before 11am. Partly sunny, with a high near 28.

    High: 28 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

Today
A chance of rain before 3pm, then a slight chance of rain and snow between 3pm and 4pm, then a slight chance of snow after 4pm. Partly sunny, with a temperature falling to around 35 by 5pm. Breezy, with a west wind 17 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
Partly cloudy, with a low around 22. Wind chill values as low as 15. Blustery, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph.
Wednesday
Snow likely before 4pm, then rain and snow likely. Mostly cloudy, with a high near 40. Wind chill values as low as 15. Northwest wind 5 to 9 mph becoming southwest in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a steady temperature around 37. West wind 7 to 10 mph, with gusts as high as 25 mph.
Thursday
A chance of rain before 4pm, then rain likely, possibly mixed with snow. Partly sunny, with a high near 48. West wind 7 to 10 mph, with gusts as high as 24 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 13. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 24. Southwest wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 9. South wind around 5 mph becoming northwest after midnight.
Saturday
A slight chance of snow before 11am. Partly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Custer County Airport SD
 43.73°N 103.63°W (Elev. 5531 ft)
Last Update:
9:36 am MST Dec 9, 2025
Forecast Valid:
10am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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