Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

49°F

9°C

Humidity 21%
Wind Speed SW 5 mph
Barometer 30.01 in (1014.1 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 15 Dec 3:53 pm MST
Extended Forecast for

Custer SD

  • Tonight

    Tonight: Partly cloudy, with a low around 37. West wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. West wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of rain after 11am.  Mostly sunny, with a high near 52. Breezy, with a west wind 13 to 23 mph, with gusts as high as 40 mph.

    High: 52 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow before 11pm.  Partly cloudy, with a low around 18. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 46 mph.  New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Blustery.
    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 32. Northwest wind 6 to 15 mph, with gusts as high as 37 mph.

    High: 32 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. Southwest wind 5 to 11 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 5pm.  Mostly sunny, with a high near 53. West wind 11 to 16 mph, with gusts as high as 33 mph.

    High: 53 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain and snow before 7pm, then a slight chance of snow.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. West wind 7 to 9 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 52. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 30. West wind 6 to 8 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of rain after 11am. Mostly sunny, with a high near 52. Breezy, with a west wind 13 to 23 mph, with gusts as high as 40 mph.
Wednesday Night
A 40 percent chance of snow before 11pm. Partly cloudy, with a low around 18. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 46 mph. New snow accumulation of less than a half inch possible.
Thursday
Increasing clouds, with a high near 32. Northwest wind 6 to 15 mph, with gusts as high as 37 mph.
Thursday Night
Mostly cloudy, with a low around 23. Southwest wind 5 to 11 mph, with gusts as high as 30 mph.
Friday
A slight chance of rain after 5pm. Mostly sunny, with a high near 53. West wind 11 to 16 mph, with gusts as high as 33 mph.
Friday Night
A slight chance of rain and snow before 7pm, then a slight chance of snow. Mostly cloudy, with a low around 28.
Saturday
A slight chance of snow. Mostly sunny, with a high near 40.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.76°N 103.6°W (Elev. 5417 ft)
2:36 pm MST Dec 15, 2025
4pm MST Dec 15, 2025-6pm MST Dec 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database