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

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

34°F

1°C

Humidity 62%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 05 Feb 11:15 PM MST
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: Clear, with a low around 28. South southeast wind around 6 mph.

    Low: 28 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 50. South wind around 7 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. South wind around 6 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. South wind 3 to 6 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. South wind around 7 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47. South southwest wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers after 11pm. Snow level 6600 feet. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain/Snow

  • Monday

    Monday: Snow showers likely, possibly mixed with rain. Snow level 6300 feet lowering to 5700 feet in the afternoon . Mostly cloudy, with a high near 42. Chance of precipitation is 70%.

    High: 42 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Clear, with a low around 28. South southeast wind around 6 mph.
Friday
Sunny, with a high near 50. South wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 33. South wind around 6 mph.
Saturday
Mostly sunny, with a high near 48. South wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 32. South wind around 7 mph.
Sunday
Partly sunny, with a high near 47. South southwest wind 7 to 11 mph, with gusts as high as 24 mph.
Sunday Night
A slight chance of rain and snow showers after 11pm. Snow level 6600 feet. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Monday
Snow showers likely, possibly mixed with rain. Snow level 6300 feet lowering to 5700 feet in the afternoon . Mostly cloudy, with a high near 42. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 24.
Tuesday
A 40 percent chance of snow showers. Partly sunny, with a high near 37.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 21.
Wednesday
A chance of snow showers. Partly sunny, with a high near 37.
Wednesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 19.
Thursday
A slight chance of snow showers. Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
11:31 pm MST Feb 5, 2026
Forecast Valid:
11pm MST Feb 5, 2026-6pm MST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation