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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

48°F

9°C

Humidity 39%
Wind Speed NW 3 mph
Barometer 29.87 in (1005.5 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 22 Apr 12:53 am MDT
Extended Forecast for

4 Miles E Custer SD

Red Flag Warning April 22, 10:00am until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming light and variable.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 80. Light west wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 32 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 41. West wind 11 to 17 mph, with gusts as high as 37 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow showers before 9am, then a chance of rain showers. Mostly sunny, with a high near 55. West wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 55 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain showers before 7pm, then a chance of rain and snow showers between 7pm and 10pm, then a chance of snow showers after 10pm. Mostly cloudy, with a low around 27. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 44. West wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 25. North wind 3 to 6 mph. Winds could gust as high as 20 mph.

    Low: 25 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers before 1pm, then a chance of rain showers. Partly sunny, with a high near 50. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 23 mph.

    High: 50 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before 9pm, then snow showers likely. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Rain/Snow
    then Snow
    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming light and variable.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 80. Light west wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 32 mph.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 41. West wind 11 to 17 mph, with gusts as high as 37 mph.
Thursday
A chance of rain and snow showers before 9am, then a chance of rain showers. Mostly sunny, with a high near 55. West wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A chance of rain showers before 7pm, then a chance of rain and snow showers between 7pm and 10pm, then a chance of snow showers after 10pm. Mostly cloudy, with a low around 27. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 44. West wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 25. North wind 3 to 6 mph. Winds could gust as high as 20 mph.
Saturday
A chance of snow showers before 1pm, then a chance of rain showers. Partly sunny, with a high near 50. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
A chance of rain and snow showers before 9pm, then snow showers likely. Mostly cloudy, with a low around 29.
Sunday
Snow showers. Mostly cloudy, with a high near 42.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 26.
Monday
A chance of snow showers. Mostly cloudy, with a high near 45.
Monday Night
A chance of snow showers. Partly cloudy, with a low around 28.
Tuesday
A chance of rain and snow showers. Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
Last Update:
12:32 am MDT Apr 22, 2026
Forecast Valid:
1am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation