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

31°F

-1°C

Humidity 52%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 17 Apr 12:15 PM MDT
Extended Forecast for

5 Miles ESE Mount Holmes WY

  • This Afternoon

    This Afternoon: Snow showers likely, mainly between 3pm and 4pm. Some thunder is also possible. Partly sunny, with a high near 28. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.

    High: 28 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of snow showers before 10pm. Partly cloudy, with a low around 10. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 39. Wind chill values as low as zero. Southwest wind 5 to 13 mph, with gusts as high as 25 mph.

    High: 39 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17. South southwest wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. South southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Southwest wind 5 to 7 mph becoming south southeast after midnight.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55. South southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow showers likely, mainly between 3pm and 4pm. Some thunder is also possible. Partly sunny, with a high near 28. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.
Tonight
A 30 percent chance of snow showers before 10pm. Partly cloudy, with a low around 10. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 39. Wind chill values as low as zero. Southwest wind 5 to 13 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 17. South southwest wind 6 to 11 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 50. South southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 26. Southwest wind 5 to 7 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 55. South southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 34.
Wednesday
Rain and snow showers likely. Some thunder is also possible. Snow level 9000 feet lowering to 8200 feet in the afternoon . Mostly sunny, with a high near 49. Breezy.
Wednesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 28.
Thursday
Snow showers. Mostly cloudy, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mount Holmes WY
 44.81°N 110.75°W (Elev. 7641 ft)
Last Update:
12:32 pm MDT Apr 17, 2026
Forecast Valid:
1pm MDT Apr 17, 2026-6pm MDT Apr 23, 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