Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

25°F

-4°C

Humidity 72%
Wind Speed S 3 mph
Barometer 29.98 in (1018.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 7 Dec 9:53 pm MST
Extended Forecast for

6 Miles W Hill City SD

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 27 by 5am. Wind chill values as low as 15. West wind 7 to 10 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34. Wind chill values as low as 17. Northwest wind 10 to 13 mph, with gusts as high as 32 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 26 by 9pm, then rising to around 33 during the remainder of the night. Wind chill values as low as 16. West wind 10 to 18 mph, with gusts as high as 33 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and 11am, then a chance of snow after 11am.  Partly sunny, with a temperature rising to near 39 by noon, then falling to around 30 during the remainder of the day. Wind chill values as low as 17. Breezy, with a west wind 17 to 22 mph, with gusts as high as 43 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow
    then Chance
    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 21. Blustery, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 46 mph.

    Low: 21 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 32. West wind 9 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely.  Mostly cloudy, with a low around 20. Northwest wind 13 to 16 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%.

    Low: 20 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow.  Partly sunny, with a high near 25. Northwest wind 6 to 11 mph, with gusts as high as 29 mph.

    High: 25 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 5.

    Low: 5 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 27 by 5am. Wind chill values as low as 15. West wind 7 to 10 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 34. Wind chill values as low as 17. Northwest wind 10 to 13 mph, with gusts as high as 32 mph.
Monday Night
Mostly cloudy, with a temperature falling to near 26 by 9pm, then rising to around 33 during the remainder of the night. Wind chill values as low as 16. West wind 10 to 18 mph, with gusts as high as 33 mph.
Tuesday
A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and 11am, then a chance of snow after 11am. Partly sunny, with a temperature rising to near 39 by noon, then falling to around 30 during the remainder of the day. Wind chill values as low as 17. Breezy, with a west wind 17 to 22 mph, with gusts as high as 43 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 21. Blustery, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 46 mph.
Wednesday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 32. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20. Northwest wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Thursday
A chance of snow. Partly sunny, with a high near 25. Northwest wind 6 to 11 mph, with gusts as high as 29 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 5.
Friday
A chance of snow. Mostly cloudy, with a high near 15.
Friday Night
A chance of snow. Mostly cloudy, with a low around 6.
Saturday
A slight chance of snow. Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Hill City SD
 43.95°N 103.71°W (Elev. 6598 ft)
9:42 pm MST Dec 7, 2025
10pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

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