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

30°F

-1°C

Humidity 74%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 05 Feb 01:15 AM MST
Extended Forecast for

Mammoth WY

  • Overnight

    Overnight: Mostly clear, with a low around 31. Light south southeast wind.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 51. Light south southeast wind.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. South wind 3 to 6 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. South wind around 7 mph.

    Low: 31 °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 31. South wind around 7 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 11pm. Snow level 6500 feet. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Light south southeast wind.
Thursday
Sunny, with a high near 51. Light south southeast wind.
Thursday Night
Mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 51. South wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 31. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 48. South wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 31. South wind around 7 mph.
Sunday
Partly sunny, with a high near 47.
Sunday Night
A 30 percent chance of showers after 11pm. Snow level 6500 feet. Mostly cloudy, with a low around 34.
Monday
Rain and snow showers likely, becoming all snow after 11am. Snow level 5800 feet. Mostly cloudy, with a high near 42. Chance of precipitation is 70%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 26.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 37.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 22.
Wednesday
A 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:
1:17 am MST Feb 5, 2026
Forecast Valid:
2am MST Feb 5, 2026-6pm MST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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