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

54°F

12°C

Humidity 26%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 06 Feb 02:15 PM MST
Extended Forecast for

Mammoth WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 50. South wind around 10 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: A slight chance of rain showers after 3am, mixing with snow after 5am. Snow level 6600 feet. Mostly cloudy, with a low around 34. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Isolated
    Rain/Snow

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 47. South wind 5 to 11 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. South wind around 7 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47. South southwest wind 8 to 10 mph, with gusts as high as 25 mph.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers, mainly after 11pm. Snow level 6600 feet. Mostly cloudy, with a low around 37. South southwest wind around 10 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Chance
    Showers

  • Monday

    Monday: Rain and snow showers, becoming all snow after 11am. Some thunder is also possible. High near 42. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    High: 42 °F

    Rain/Snow
    then Snow
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 50. South wind around 10 mph.
Tonight
A slight chance of rain showers after 3am, mixing with snow after 5am. Snow level 6600 feet. Mostly cloudy, with a low around 34. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 47. South wind 5 to 11 mph.
Saturday Night
Partly cloudy, with a low around 33. 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 25 mph.
Sunday Night
A 50 percent chance of showers, mainly after 11pm. Snow level 6600 feet. Mostly cloudy, with a low around 37. South southwest wind around 10 mph, with gusts as high as 23 mph.
Monday
Rain and snow showers, becoming all snow after 11am. Some thunder is also possible. High near 42. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Monday Night
A 40 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 21.
Tuesday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 38.
Tuesday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 20.
Wednesday
A slight chance of snow showers. Partly sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 37.
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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:
2:01 pm MST Feb 6, 2026
Forecast Valid:
2pm MST Feb 6, 2026-6pm MST Feb 12, 2026
 
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Additional Resources

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Chance of Precipitation