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

47°F

8°C

Humidity 29%
Wind Speed Calm
Barometer 30.13 in (1018.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 15 Dec 7:53 am MST
Extended Forecast for

Hot Springs SD

  • Today

    Today: Sunny, with a high near 58. West wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 41. West wind around 11 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 57. West wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31. West wind 5 to 8 mph, with gusts as high as 17 mph.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 11am.  Partly sunny, with a high near 61. Breezy, with a west wind 13 to 23 mph, with gusts as high as 43 mph.

    High: 61 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 11pm.  Partly cloudy, with a low around 22. Blustery, with a west wind 17 to 21 mph, with gusts as high as 40 mph.

    Low: 22 °F

    Chance Snow
    and Blustery
    then Mostly
    Clear and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. Northwest wind 6 to 15 mph becoming south in the afternoon. Winds could gust as high as 30 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. South wind 5 to 13 mph becoming west after midnight. Winds could gust as high as 29 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy.

    High: 62 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 58. West wind 5 to 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a steady temperature around 41. West wind around 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 57. West wind 7 to 11 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 31. West wind 5 to 8 mph, with gusts as high as 17 mph.
Wednesday
A 30 percent chance of rain after 11am. Partly sunny, with a high near 61. Breezy, with a west wind 13 to 23 mph, with gusts as high as 43 mph.
Wednesday Night
A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 22. Blustery, with a west wind 17 to 21 mph, with gusts as high as 40 mph.
Thursday
Mostly sunny, with a high near 40. Northwest wind 6 to 15 mph becoming south in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 27. South wind 5 to 13 mph becoming west after midnight. Winds could gust as high as 29 mph.
Friday
Mostly sunny, with a high near 62. Breezy.
Friday Night
A slight chance of rain before 1am, then a slight chance of rain and snow between 1am and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 33.
Saturday
A slight chance of snow. Partly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Hot Springs SD
 43.44°N 103.48°W (Elev. 3599 ft)
6:06 am MST Dec 15, 2025
8am MST Dec 15, 2025-6pm MST Dec 21, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database