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Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

39°F

4°C

Humidity 53%
Wind Speed NW 5 mph
Barometer 30.00 in (1011.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 21 Apr 6:53 am MDT
Extended Forecast for

6 Miles NNW Keystone SD

Fire Weather Watch April 22, 12:00pm until April 22, 07:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming southwest around 6 mph. Winds could gust as high as 21 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 52. Light and variable wind. Winds could gust as high as 17 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Partly sunny, with a high near 81. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 32 mph.

    High: 81 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 41. West wind around 9 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon. Partly sunny, with a high near 52. West wind 8 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.

    High: 52 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of rain before 7pm, then a chance of snow. Mostly cloudy, with a low around 27. Northwest wind 6 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 5pm, then a chance of snow showers after 5pm. Partly sunny, with a high near 46. Northwest wind 6 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 46 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 22. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 25 mph.

    Low: 22 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A slight chance of snow showers. Partly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming southwest around 6 mph. Winds could gust as high as 21 mph.
Tonight
Increasing clouds, with a low around 52. Light and variable wind. Winds could gust as high as 17 mph.
Wednesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 81. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 32 mph.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41. West wind around 9 mph, with gusts as high as 26 mph.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 52. West wind 8 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain before 7pm, then a chance of snow. Mostly cloudy, with a low around 27. Northwest wind 6 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Friday
A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 5pm, then a chance of snow showers after 5pm. Partly sunny, with a high near 46. Northwest wind 6 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 25 mph.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 46.
Saturday Night
A slight chance of snow showers. Mostly cloudy, with a low around 25.
Sunday
Rain and snow showers likely. Partly sunny, with a high near 45.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
Last Update:
4:33 am MDT Apr 21, 2026
Forecast Valid:
7am MDT Apr 21, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation