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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

65°F

18°C

Humidity 12%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Last update 20 Apr 07:15 PM MDT
Extended Forecast for

5 Miles ESE Mount Holmes WY

  • Tonight

    Tonight: Mostly clear, with a low around 30. South wind around 7 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 22 mph.

    High: 59 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 34. South southeast wind 7 to 10 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 9am, then snow showers likely. Some thunder is also possible. Partly sunny, with a high near 45. Breezy, with a south wind 10 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 45 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Snow
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 26. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 36. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.

    High: 36 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers. Low around 17. Northwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 17 °F

    Snow Showers

  • Friday

    Friday: Snow showers likely. Partly sunny, with a high near 30. Chance of precipitation is 70%.

    High: 30 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 30. South wind around 7 mph.
Tuesday
Mostly sunny, with a high near 59. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 34. South southeast wind 7 to 10 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of rain and snow showers before 9am, then snow showers likely. Some thunder is also possible. Partly sunny, with a high near 45. Breezy, with a south wind 10 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Snow showers. Low around 26. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow showers. Some thunder is also possible. High near 36. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Thursday Night
Snow showers. Low around 17. Northwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday
Snow showers likely. Partly sunny, with a high near 30. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 11.
Saturday
A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 33.
Saturday Night
A slight chance of snow showers. Partly cloudy, with a low around 15.
Sunday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 38.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 17.
Monday
A chance of snow showers. Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mount Holmes WY
 44.81°N 110.75°W (Elev. 7641 ft)
Last Update:
6:02 pm MDT Apr 20, 2026
Forecast Valid:
8pm MDT Apr 20, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation