Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

30°F

-1°C

Humidity 97%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 16 Apr 05:15 AM MDT
Extended Forecast for

Mammoth WY

Winter Storm Warning April 16, 06:23am until April 17, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 16, 06:23am until April 17, 06:00am

    NOW until 6:00am Fri

    Winter Storm Warning

  • Today

    High: 39 °F

    Snow Showers

  • Tonight

    Tonight: A 40 percent chance of snow showers, mainly before 8pm.  Mostly cloudy, with a low around 18. West wind 6 to 11 mph.  New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Friday

    Friday: Snow showers likely, mainly after noon. Some thunder is also possible.  Partly sunny, with a high near 39. Southwest wind 5 to 9 mph becoming northwest in the morning.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Partly cloudy, with a low around 19. West wind 5 to 9 mph becoming calm.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50. South southwest wind 5 to 10 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. South wind 6 to 10 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. South southeast wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Today
Snow showers. Some thunder is also possible. High near 39. East southeast wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A 40 percent chance of snow showers, mainly before 8pm. Mostly cloudy, with a low around 18. West wind 6 to 11 mph. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 39. Southwest wind 5 to 9 mph becoming northwest in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 19. West wind 5 to 9 mph becoming calm.
Saturday
Sunny, with a high near 50. South southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 27. South wind 6 to 10 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 60. South southeast wind 6 to 8 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 67.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
6:02 am MDT Apr 16, 2026
6am MDT Apr 16, 2026-6pm MDT Apr 22, 2026
 
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Additional Resources

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