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Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

38°F

3°C

Humidity 81%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 09 Feb 05:15 AM MST
Extended Forecast for

Mammoth WY

Winter Weather Advisory February 9, 06:11am until February 9, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 9, 06:11am until February 9, 05:00pm

    NOW until 5:00pm Mon

    Winter Weather Advisory

  • Today

    High: 40 °F⇓

    Rain/Snow
    then Snow
    Showers

  • Tonight

    Tonight: A 20 percent chance of snow showers before 9pm. Mostly clear, with a low around 19. West southwest wind around 6 mph becoming south after midnight.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. Southeast wind 3 to 6 mph.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. South southeast wind around 6 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow showers, becoming all rain after 5pm. Snow level rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 42. South southwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 2am, then a slight chance of snow showers after 2am. Snow level 6400 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 26. South southwest wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 41. South southwest wind around 6 mph.

    High: 41 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Today
Rain and snow showers, becoming all snow after noon. Some thunder is also possible. Temperature falling to around 33 by 5pm. West northwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow showers before 9pm. Mostly clear, with a low around 19. West southwest wind around 6 mph becoming south after midnight.
Tuesday
Partly sunny, with a high near 39. Southeast wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 25. South southeast wind around 6 mph.
Wednesday
Rain likely, possibly mixed with snow showers, becoming all rain after 5pm. Snow level rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 42. South southwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 2am, then a slight chance of snow showers after 2am. Snow level 6400 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 26. South southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Thursday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 41. South southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
A slight chance of snow showers. Mostly cloudy, with a high near 39.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 25.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 39.
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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:
5:18 am MST Feb 9, 2026
Forecast Valid:
6am MST Feb 9, 2026-6pm MST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation