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

46°F

8°C

Humidity 44%
Wind Speed SSW 13 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 07 Feb 04:15 PM MST
Extended Forecast for

Mammoth Hot Springs WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. South wind around 9 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Isolated showers between 2pm and 4pm. Snow level rising to 6800 feet in the afternoon. Partly sunny, with a high near 46. Breezy, with a south southeast wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 46 °F

    Breezy.
    Partly Sunny
    then Isolated
    Showers

  • Sunday Night

    Sunday Night: Rain and snow showers. Snow level 6500 feet. Low around 36. South southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain/Snow

  • Monday

    Monday: Rain and snow showers, becoming all snow after 8am. Some thunder is also possible. High near 41. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 21. West wind around 6 mph becoming light and variable. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. South southeast wind around 5 mph becoming light and variable in the morning.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 23. Northwest wind around 5 mph becoming southeast in the evening.

    Low: 23 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of snow showers. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. South wind around 9 mph.
Sunday
Isolated showers between 2pm and 4pm. Snow level rising to 6800 feet in the afternoon. Partly sunny, with a high near 46. Breezy, with a south southeast wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Rain and snow showers. Snow level 6500 feet. Low around 36. South southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Rain and snow showers, becoming all snow after 8am. Some thunder is also possible. High near 41. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday Night
A 30 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 21. West wind around 6 mph becoming light and variable. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 38. South southeast wind around 5 mph becoming light and variable in the morning.
Tuesday Night
A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 23. Northwest wind around 5 mph becoming southeast in the evening.
Wednesday
A 40 percent chance of snow showers. Partly sunny, with a high near 39.
Wednesday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 38.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 21.
Saturday
A chance of snow showers. Partly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
4:01 pm MST Feb 7, 2026
Forecast Valid:
5pm MST Feb 7, 2026-6pm MST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation