National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

39°F

4°C

Humidity 96%
Wind Speed NW 5 mph
Barometer 29.87 in (1010.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Nov 12:53 am MST
Extended Forecast for

6 Miles NNW Keystone SD

  • Overnight

    Overnight: Patchy fog before 2am. Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Light southwest wind.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Northwest wind 3 to 5 mph. Winds could gust as high as 15 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51. Calm wind becoming east around 5 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 52. West wind 3 to 5 mph. Winds could gust as high as 15 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog before 2am. Otherwise, partly cloudy, with a low around 33. Calm wind.
Tuesday
Mostly sunny, with a high near 54. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 37. Light southwest wind.
Wednesday
Mostly sunny, with a high near 57. Northwest wind 3 to 5 mph. Winds could gust as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 30. Calm wind.
Thursday
Sunny, with a high near 51. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 29. Calm wind.
Friday
Mostly sunny, with a high near 52. West wind 3 to 5 mph. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
Last Update:
11:52 pm MST Nov 17, 2025
Forecast Valid:
1am MST Nov 18, 2025-6pm MST Nov 24, 2025
 
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Additional Resources

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Chance of Precipitation