National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

40°F

4°C

Humidity 44%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 20 Apr 02:15 AM MDT
Extended Forecast for

5 Miles ESE Mount Holmes WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. South wind around 7 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 57. Breezy, with a southwest wind 7 to 17 mph, with gusts as high as 24 mph.

    High: 57 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Southwest wind 6 to 13 mph becoming south southeast after midnight.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. South southwest wind 6 to 14 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 34 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of rain and snow showers before noon, then snow showers likely. Some thunder is also possible. Snow level 8500 feet lowering to 7600 feet in the afternoon . Partly sunny, with a high near 44. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%.

    High: 44 °F

    Breezy.
    Chance
    Rain/Snow
    then Snow
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 27. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 100%.

    Low: 27 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 34. Chance of precipitation is 90%.

    High: 34 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.

    Low: 17 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. South wind around 7 mph.
Monday
Sunny, with a high near 57. Breezy, with a southwest wind 7 to 17 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 30. Southwest wind 6 to 13 mph becoming south southeast after midnight.
Tuesday
Mostly sunny, with a high near 58. South southwest wind 6 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 34. South southeast wind 7 to 10 mph, with gusts as high as 24 mph.
Wednesday
A chance of rain and snow showers before noon, then snow showers likely. Some thunder is also possible. Snow level 8500 feet lowering to 7600 feet in the afternoon . Partly sunny, with a high near 44. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%.
Wednesday Night
Snow showers. Low around 27. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 100%.
Thursday
Snow showers. Some thunder is also possible. High near 34. Chance of precipitation is 90%.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.
Friday
Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 32. Chance of precipitation is 70%.
Friday Night
A chance of snow showers. Partly cloudy, with a low around 14.
Saturday
A chance of snow showers. Mostly sunny, with a high near 36.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 17.
Sunday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 38.
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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:
1:33 am MDT Apr 20, 2026
Forecast Valid:
3am MDT Apr 20, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation