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

49°F

9°C

Humidity 26%
Wind Speed Calm
Barometer 29.79 in (1002.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 22 Apr 4:53 am MDT
Extended Forecast for

6 Miles NW Hill City SD

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

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 74. Southwest wind 5 to 14 mph, with gusts as high as 32 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 37. West wind 10 to 16 mph, with gusts as high as 37 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow showers before 11am, then rain showers likely between 11am and 3pm, then rain and snow showers likely after 3pm. Mostly sunny, with a high near 47. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 7pm, then a chance of snow showers. Mostly cloudy, with a low around 24. Northwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely. Mostly cloudy, with a high near 39. Northwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 23. North wind around 6 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers. Partly sunny, with a high near 46. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 23 mph.

    High: 46 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after midnight. Mostly cloudy, with a low around 27. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 27 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers. Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 74. Southwest wind 5 to 14 mph, with gusts as high as 32 mph.
Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 37. West wind 10 to 16 mph, with gusts as high as 37 mph.
Thursday
A chance of rain and snow showers before 11am, then rain showers likely between 11am and 3pm, then rain and snow showers likely after 3pm. Mostly sunny, with a high near 47. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow showers before 7pm, then a chance of snow showers. Mostly cloudy, with a low around 24. Northwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Friday
Snow showers likely. Mostly cloudy, with a high near 39. Northwest wind around 7 mph, with gusts 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 23. North wind around 6 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow showers. Partly sunny, with a high near 46. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Snow showers likely, mainly after midnight. Mostly cloudy, with a low around 27. Light and variable wind. Winds could gust as high as 15 mph.
Sunday
Snow showers. Mostly cloudy, with a high near 39.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 23.
Monday
A chance of snow showers. Mostly cloudy, with a high near 40.
Monday Night
A chance of snow showers. Partly cloudy, with a low around 26.
Tuesday
A chance of rain and snow showers. Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Hill City SD
 43.99°N 103.65°W (Elev. 5823 ft)
Last Update:
4:47 am MDT Apr 22, 2026
Forecast Valid:
5am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation