Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

41°F

5°C

Humidity 65%
Wind Speed NW 5 mph
Barometer 30.00 in (1013.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 15 Nov 9:53 pm MST
Extended Forecast for

3 Miles NE Keystone SD

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 42. Light west wind.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Light and variable wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 39. South wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Increasing
    Clouds

  • Monday

    Monday: A 50 percent chance of rain.  Mostly cloudy, with a high near 50. Calm wind becoming north around 6 mph in the morning. Winds could gust as high as 16 mph.

    High: 50 °F

    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48. Light and variable wind becoming southeast around 6 mph.

    High: 48 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 11am.  Partly sunny, with a high near 50. Light and variable wind becoming south around 6 mph in the morning. Winds could gust as high as 16 mph.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 42. Light west wind.
Sunday
Mostly sunny, with a high near 56. Light and variable wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Increasing clouds, with a low around 39. South wind around 5 mph becoming calm in the evening.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 50. Calm wind becoming north around 6 mph in the morning. Winds could gust as high as 16 mph.
Monday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 36. Light and variable wind.
Tuesday
Mostly cloudy, with a high near 48. Light and variable wind becoming southeast around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Calm wind.
Wednesday
A chance of rain after 11am. Partly sunny, with a high near 50. Light and variable wind becoming south around 6 mph in the morning. Winds could gust as high as 16 mph.
Wednesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 33.
Thursday
A slight chance of rain. Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Keystone SD
 43.92°N 103.38°W (Elev. 4416 ft)
9:47 pm MST Nov 15, 2025
9pm MST Nov 15, 2025-6pm MST Nov 22, 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