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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

42°F

6°C

Humidity 47%
Wind Speed S 10 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 08 Feb 11:15 AM MST
Extended Forecast for

Mammoth WY

Winter Weather Advisory February 8, 05:00pm until February 9, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Scattered rain showers before 4pm, then a slight chance of rain and snow showers between 4pm and 5pm, then a slight chance of rain showers after 5pm. Snow level 6800 feet. Partly sunny, with a high near 44. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Scattered
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Snow showers, possibly mixed with rain. Snow level 6800 feet lowering to 6200 feet after midnight . Low around 33. Breezy, with a south wind 13 to 20 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: Snow showers likely, mainly before 1pm. Some thunder is also possible. Partly sunny, with a high near 37. South wind 9 to 14 mph becoming north northwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Isolated snow showers before 11pm. Partly cloudy, with a low around 20. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 20%.

    Low: 20 °F

    Isolated Snow
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. South southeast wind 3 to 5 mph.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 23. Southeast wind around 6 mph.

    Low: 23 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 40. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 40 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered rain showers before 4pm, then a slight chance of rain and snow showers between 4pm and 5pm, then a slight chance of rain showers after 5pm. Snow level 6800 feet. Partly sunny, with a high near 44. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
Snow showers, possibly mixed with rain. Snow level 6800 feet lowering to 6200 feet after midnight . Low around 33. Breezy, with a south wind 13 to 20 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Snow showers likely, mainly before 1pm. Some thunder is also possible. Partly sunny, with a high near 37. South wind 9 to 14 mph becoming north northwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Isolated snow showers before 11pm. Partly cloudy, with a low around 20. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 38. South southeast wind 3 to 5 mph.
Tuesday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 23. Southeast wind around 6 mph.
Wednesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 40. Light and variable wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 39.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 23.
Saturday
A chance of snow showers. Partly 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:
10:31 am MST Feb 8, 2026
Forecast Valid:
11am MST Feb 8, 2026-6pm MST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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