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

40°F

4°C

Humidity 66%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 12 Apr 11:15 PM MDT
Extended Forecast for

5 Miles ESE Mount Holmes WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. South southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Snow showers likely, mainly after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 37. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of snow showers, mainly before 8pm. Mostly cloudy, with a low around 24. South southwest wind 5 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%.

    High: 38 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers. Some thunder is also possible. Low around 27. Breezy, with a south southwest wind 16 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%.

    Low: 27 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 30. Breezy. Chance of precipitation is 100%.

    High: 30 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Snow showers, mainly before midnight. Low around 13. Chance of precipitation is 80%.

    Low: 13 °F

    Snow Showers
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. South southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Monday
Snow showers likely, mainly after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 37. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
A 40 percent chance of snow showers, mainly before 8pm. Mostly cloudy, with a low around 24. South southwest wind 5 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.
Tuesday
Partly sunny, with a high near 40. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 25. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%.
Wednesday Night
Snow showers. Some thunder is also possible. Low around 27. Breezy, with a south southwest wind 16 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%.
Thursday
Snow showers. Some thunder is also possible. High near 30. Breezy. Chance of precipitation is 100%.
Thursday Night
Snow showers, mainly before midnight. Low around 13. Chance of precipitation is 80%.
Friday
A 50 percent chance of snow showers. Partly sunny, with a high near 30.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 10.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 43.
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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:
11:32 pm MDT Apr 12, 2026
Forecast Valid:
12am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation