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

38°F

3°C

Humidity 76%
Wind Speed S 8 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 02 Apr 06:15 AM MDT
Extended Forecast for

Mammoth WY

Winter Storm Watch until April 3, 06:00pm
Winter Storm Warning April 2, 07:04am until April 3, 06:00pm
Click here for hazard details and duration
Winter Storm Watch
Winter Storm Warning
  •  
    Winter Storm Watch until April 3, 06:00pm
    Winter Storm Warning April 2, 07:04am until April 3, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 44 °F

    Chance Snow
    Showers and
    Breezy

  • Tonight

    Tonight: A 50 percent chance of snow showers. Mostly cloudy, with a low around 29. West wind 8 to 13 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 44. Northwest wind around 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers. Partly cloudy, with a low around 24. Northwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 21 mph. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 30 percent chance of snow showers. Sunny, with a high near 54. South southwest wind 5 to 7 mph. Little or no snow accumulation expected.

    High: 54 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers. Snow level 7100 feet lowering to 6400 feet after midnight . Clear, with a low around 30. West southwest wind 5 to 7 mph becoming light and variable.

    Low: 30 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A 30 percent chance of snow showers. Snow level 6200 feet rising to 7500 feet in the afternoon. Sunny, with a high near 59. South southeast wind around 5 mph becoming light and variable.

    High: 59 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers. Partly cloudy, with a low around 34.

    Low: 34 °F

    Chance Snow
    Showers

Detailed Forecast

Today
A 50 percent chance of snow showers. Increasing clouds, with a high near 44. Breezy, with a south southwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 50 percent chance of snow showers. Mostly cloudy, with a low around 29. West wind 8 to 13 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 44. Northwest wind around 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow showers. Partly cloudy, with a low around 24. Northwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 21 mph. Little or no snow accumulation expected.
Saturday
A 30 percent chance of snow showers. Sunny, with a high near 54. South southwest wind 5 to 7 mph. Little or no snow accumulation expected.
Saturday Night
A 30 percent chance of snow showers. Snow level 7100 feet lowering to 6400 feet after midnight . Clear, with a low around 30. West southwest wind 5 to 7 mph becoming light and variable.
Sunday
A 30 percent chance of snow showers. Snow level 6200 feet rising to 7500 feet in the afternoon. Sunny, with a high near 59. South southeast wind around 5 mph becoming light and variable.
Sunday Night
A 30 percent chance of snow showers. Partly cloudy, with a low around 34.
Monday
A 30 percent chance of snow showers. Mostly sunny, with a high near 62.
Monday Night
A 30 percent chance of snow showers. Partly cloudy, with a low around 37.
Tuesday
A chance of snow showers. Sunny, with a high near 62.
Tuesday Night
A chance of snow showers. Partly cloudy, with a low around 37.
Wednesday
A chance of snow showers. Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
6:02 am MDT Apr 2, 2026
Forecast Valid:
7am MDT Apr 2, 2026-6pm MDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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