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

35°F

2°C

Humidity 56%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 04 Feb 11:15 AM MST
Extended Forecast for

Mammoth WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 45. Light and variable wind.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Light south wind.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. Light south southeast wind.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Calm wind becoming southeast around 5 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. South southeast wind around 6 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. South wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

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

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 45. Light and variable wind.
Tonight
Partly cloudy, with a low around 29. Light south wind.
Thursday
Sunny, with a high near 52. Light south southeast wind.
Thursday Night
Mostly clear, with a low around 29. Calm wind becoming southeast around 5 mph after midnight.
Friday
Sunny, with a high near 52. South southeast wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 31. South wind around 6 mph.
Saturday
Mostly sunny, with a high near 48. South wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 47.
Sunday Night
A slight chance of rain and snow showers after 11pm. Snow level 6600 feet. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Monday
Rain and snow showers likely. Snow level 6100 feet lowering to 5700 feet in the afternoon . Mostly cloudy, with a high near 42.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 24.
Tuesday
A chance of snow showers. Partly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
11:32 am MST Feb 4, 2026
Forecast Valid:
12pm MST Feb 4, 2026-6pm MST Feb 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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