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

56°F

13°C

Humidity 11%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 2°F (-17°C)
Visibility NA
Last update 08 Apr 03:15 PM MDT
Extended Forecast for

Mammoth WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. West wind around 10 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. West northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind becoming northwest 5 to 9 mph in the morning.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 67. Southeast wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. South southeast wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly sunny, with a high near 64. Breezy, with a south southwest wind 7 to 17 mph, with gusts as high as 34 mph.

    High: 64 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 70%.

    High: 53 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. West wind around 10 mph.
Tonight
Partly cloudy, with a low around 36. West northwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Sunny, with a high near 57. Calm wind becoming northwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 37. North northwest wind 5 to 8 mph becoming calm in the evening.
Friday
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 67. Southeast wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 42. South southeast wind 6 to 8 mph, with gusts as high as 20 mph.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 64. Breezy, with a south southwest wind 7 to 17 mph, with gusts as high as 34 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow showers. Snow level 7400 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Monday
Rain and snow showers likely. Some thunder is also possible. Snow level 6000 feet. Partly sunny, with a high near 50.
Monday Night
A chance of rain and snow showers. Snow level 6400 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 33.
Tuesday
A chance of rain and snow showers. Snow level rising to 6300 feet in the afternoon. Mostly sunny, with a high near 52.
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:
3:17 pm MDT Apr 8, 2026
Forecast Valid:
4pm MDT Apr 8, 2026-6pm MDT Apr 14, 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