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.

Mostly Cloudy

41°F

5°C

Humidity 55%
Wind Speed W 16 G 32 mph
Barometer 29.59 in (1002.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 9 Dec 8:53 am MST
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Today

    Today: A chance of rain before 11am, then a chance of rain and snow between 11am and 3pm, then a slight chance of snow after 3pm.  Partly sunny, with a temperature falling to around 30 by 5pm. Wind chill values as low as 15. Breezy, with a west wind 24 to 29 mph, with gusts as high as 41 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Wind chill values as low as 7. Windy, with a northwest wind 29 to 34 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 47 mph.

    Low: 22 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Snow likely after 11am.  Mostly cloudy, with a high near 38. Wind chill values as low as 12. West wind 6 to 11 mph becoming southwest in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a steady temperature around 37. Breezy, with a west wind 16 to 21 mph, with gusts as high as 31 mph.

    Low: 37 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A chance of rain before 3pm, then a chance of rain and snow between 3pm and 4pm, then a chance of snow after 4pm.  Partly sunny, with a high near 43. West wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely.  Mostly cloudy, with a low around 12. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 12 °F

    Snow Likely

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 18. Northwest wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.  Chance of precipitation is 60%.

    High: 18 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 8. South wind 7 to 9 mph becoming northwest after midnight. Winds could gust as high as 15 mph.

    Low: 8 °F

    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before 11am.  Partly sunny, with a high near 22.

    High: 22 °F

    Slight Chance
    Snow then
    Partly Sunny

Detailed Forecast

Today
A chance of rain before 11am, then a chance of rain and snow between 11am and 3pm, then a slight chance of snow after 3pm. Partly sunny, with a temperature falling to around 30 by 5pm. Wind chill values as low as 15. Breezy, with a west wind 24 to 29 mph, with gusts as high as 41 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 7. Windy, with a northwest wind 29 to 34 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 47 mph.
Wednesday
Snow likely after 11am. Mostly cloudy, with a high near 38. Wind chill values as low as 12. West wind 6 to 11 mph becoming southwest in the morning. Winds could gust as high as 25 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. Breezy, with a west wind 16 to 21 mph, with gusts as high as 31 mph.
Thursday
A chance of rain before 3pm, then a chance of rain and snow between 3pm and 4pm, then a chance of snow after 4pm. Partly sunny, with a high near 43. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 12. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow likely. Mostly cloudy, with a high near 18. Northwest 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 8. South wind 7 to 9 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Saturday
A slight chance of snow before 11am. Partly sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.87°N 103.52°W (Elev. 6148 ft)
6:47 am MST Dec 9, 2025
9am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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