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.

A Few Clouds

35°F

2°C

Humidity 52%
Wind Speed NW 10 G 25 mph
Barometer 30.01 in (1018.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 7 Dec 1:53 pm MST
Extended Forecast for

5 Miles E Custer SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 39. West wind 9 to 11 mph, with gusts as high as 28 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 24. West wind around 7 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. West wind 7 to 10 mph, with gusts as high as 26 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 31 by 8pm, then rising to around 36 during the remainder of the night. West wind 7 to 14 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain between 11am and 4pm, then a chance of snow after 4pm.  Mostly sunny, with a high near 51. Breezy, with a west wind 16 to 23 mph, with gusts as high as 40 mph.  Chance of precipitation is 30%.

    High: 51 °F

    Breezy.
    Chance Rain
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 25. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 41 mph.

    Low: 25 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely before 4pm, then rain and snow likely.  Mostly cloudy, with a high near 39. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    High: 39 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely before midnight, then a chance of snow.  Mostly cloudy, with a low around 24. Northwest wind 7 to 9 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: A chance of snow.  Partly sunny, with a high near 33.

    High: 33 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 39. West wind 9 to 11 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 24. West wind around 7 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 43. West wind 7 to 10 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a temperature falling to near 31 by 8pm, then rising to around 36 during the remainder of the night. West wind 7 to 14 mph, with gusts as high as 30 mph.
Tuesday
A chance of rain between 11am and 4pm, then a chance of snow after 4pm. Mostly sunny, with a high near 51. Breezy, with a west wind 16 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 41 mph.
Wednesday
Snow likely before 4pm, then rain and snow likely. Mostly cloudy, with a high near 39. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Wednesday Night
Rain and snow likely before midnight, then a chance of snow. Mostly cloudy, with a low around 24. Northwest wind 7 to 9 mph, with gusts as high as 25 mph.
Thursday
A chance of snow. Partly sunny, with a high near 33.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 8.
Friday
A chance of snow. Mostly cloudy, with a high near 20.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 6.
Saturday
Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
12:31 pm MST Dec 7, 2025
2pm MST Dec 7, 2025-6pm MST Dec 13, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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