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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

44°F

7°C

Humidity 47%
Wind Speed S 22 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 08 Feb 01:15 PM 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

  • This Afternoon

    This Afternoon: 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. Partly sunny, with a high near 44. Breezy, with a south wind around 15 mph, with gusts as high as 22 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 39. South southeast wind around 5 mph becoming calm in the morning.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 26. South southeast wind around 6 mph.

    Low: 26 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A chance of snow showers before 11am, then rain and snow showers likely. Mostly cloudy, with a high near 41. South southwest wind around 6 mph. Chance of precipitation is 60%.

    High: 41 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 11pm, then a slight chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
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. Partly sunny, with a high near 44. Breezy, with a south wind around 15 mph, with gusts as high as 22 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 39. South southeast wind around 5 mph becoming calm in the morning.
Tuesday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 26. South southeast wind around 6 mph.
Wednesday
A chance of snow showers before 11am, then rain and snow showers likely. Mostly cloudy, with a high near 41. South southwest wind around 6 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow showers before 11pm, then a slight chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly 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 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
1:31 pm MST Feb 8, 2026
Forecast Valid:
2pm 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