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

25°F

-4°C

Humidity 72%
Wind Speed S 9 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill16°F (-9°C)
Last update 05 Feb 07:15 AM MST
Extended Forecast for

Mammoth Hot Springs WY

  • Today

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

    High: 51 °F

    Sunny

  • Tonight

    Tonight: 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. South southwest wind 8 to 10 mph, with gusts as high as 26 mph.

    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

  • Monday

    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%.

    High: 42 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 51. Light south southeast wind.
Tonight
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. South southwest wind 8 to 10 mph, with gusts as high as 26 mph.
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 50 percent 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
7:47 am MST Feb 5, 2026
Forecast Valid:
8am MST Feb 5, 2026-6pm MST Feb 11, 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