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

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

40°F

4°C

Humidity 69%
Wind Speed S 12 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 22 Apr 06:15 PM MDT
Extended Forecast for

5 Miles ESE Mount Holmes WY

Winter Weather Advisory April 22, 06:49pm until April 23, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 22, 06:49pm until April 23, 11:00pm

    NOW until 11:00pm Thu

    Winter Weather Advisory

  • Tonight

    Low: 29 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 33. Breezy, with a west wind 11 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Snow showers, mainly before midnight. Some thunder is also possible. Low around 16. West northwest wind 5 to 11 mph becoming southwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 16 °F

    Snow Showers
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers. Some thunder is also possible. High near 30. West southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 30 °F

    Snow Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 12. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 36. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 36 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 18. West northwest wind 5 to 7 mph becoming northeast after midnight.

    Low: 18 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.

    High: 37 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

Detailed Forecast

Tonight
Snow showers. Some thunder is also possible. Low around 29. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 7 inches possible.
Thursday
Snow showers. Some thunder is also possible. High near 33. Breezy, with a west wind 11 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow showers, mainly before midnight. Some thunder is also possible. Low around 16. West northwest wind 5 to 11 mph becoming southwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow showers. Some thunder is also possible. High near 30. West southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 12. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 36. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 18. West northwest wind 5 to 7 mph becoming northeast after midnight.
Sunday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Monday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 39. Chance of precipitation is 70%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
Tuesday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 42.
Tuesday Night
A slight chance of snow showers. Partly cloudy, with a low around 24.
Wednesday
A chance of snow showers. Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mount Holmes WY
 44.81°N 110.75°W (Elev. 7641 ft)
Last Update:
6:32 pm MDT Apr 22, 2026
Forecast Valid:
6pm MDT Apr 22, 2026-6pm MDT Apr 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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