Critical Fire Weather Conditions in the Plains; Heavy Snow in the Sierra and Northern Rockies

Gusty winds and warm, very dry conditions will lead to a Critical Risk of fire weather across much of the High Plains through Thursday. A Pacific storm system will bring strong winds and precipitation from the Pacific Northwest to the Northern Rockies, with heavy mountain snow in the Sierra-Nevada and northern Rockies. Heavy snow will continue in the northern Rockies on Thursday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

77°F

25°C

Humidity 11%
Wind Speed SW 12 G 24 mph
Barometer 29.64 in (997.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 22 Apr 12:53 pm MDT
Extended Forecast for

6 Miles NNW Keystone SD

Red Flag Warning April 22, 01:35pm until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 22, 01:35pm until April 22, 08:00pm

    NOW until 8:00pm Wed

    Red Flag Warning

  • This Afternoon

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. West wind 7 to 13 mph, with gusts as high as 38 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow showers before 9am, then a chance of rain showers.  Increasing clouds, with a high near 53. Northwest wind 7 to 13 mph, with gusts as high as 36 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 53 °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 snow showers likely after 10pm.  Mostly cloudy, with a low around 27. Northwest wind 3 to 8 mph. Winds could gust as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Chance
    Rain/Snow
    then Snow
    Showers
    Likely

  • Friday

    Friday: Snow showers likely.  Mostly cloudy, with a high near 46. Northwest wind 3 to 6 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers.  Mostly cloudy, with a low around 24. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 16 mph.

    Low: 24 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers before 4pm, then a chance of rain showers between 4pm and 5pm, then a chance of rain and snow showers after 5pm.  Partly sunny, with a high near 48. Calm wind becoming northeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 40%.

    High: 48 °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 27. Light northeast wind. Winds could gust as high as 15 mph.

    Low: 27 °F

    Chance
    Rain/Snow
    then Snow
    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 83. Southwest wind around 10 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 40. West wind 7 to 13 mph, with gusts as high as 38 mph.
Thursday
A chance of rain and snow showers before 9am, then a chance of rain showers. Increasing clouds, with a high near 53. Northwest wind 7 to 13 mph, with gusts as high as 36 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 snow showers likely after 10pm. Mostly cloudy, with a low around 27. Northwest wind 3 to 8 mph. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow showers likely. Mostly cloudy, with a high near 46. Northwest wind 3 to 6 mph. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 24. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Saturday
A chance of snow showers before 4pm, then a chance of rain showers between 4pm and 5pm, then a chance of rain and snow showers after 5pm. Partly sunny, with a high near 48. Calm wind becoming northeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow showers before 9pm, then snow showers likely. Mostly cloudy, with a low around 27. Light northeast wind. Winds could gust as high as 15 mph.
Sunday
Snow showers. Mostly cloudy, with a high near 40.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 26.
Monday
A chance of snow showers. Mostly cloudy, with a high near 43.
Monday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 26.
Tuesday
A chance of rain and snow showers. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
12:34 pm MDT Apr 22, 2026
1pm MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
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Additional Resources

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