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

34°F

1°C

Humidity 51%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 18 Apr 10:15 AM MDT
Extended Forecast for

5 Miles ESE Mount Holmes WY

  • Today

    Today: Sunny, with a high near 38. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 23 mph.

    High: 38 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 17. South wind 6 to 13 mph.

    Low: 17 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. South southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. South wind 5 to 7 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 56. South southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Southwest wind 6 to 9 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. Southeast wind 6 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of rain showers before noon, then rain and snow showers likely. Some thunder is also possible. Snow level 8700 feet lowering to 7800 feet in the afternoon . Mostly sunny, with a high near 48. Breezy. Chance of precipitation is 70%.

    High: 48 °F

    Slight Chance
    Showers then
    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 38. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 17. South wind 6 to 13 mph.
Sunday
Sunny, with a high near 49. South southeast wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 26. South wind 5 to 7 mph.
Monday
Sunny, with a high near 56. South southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 30. Southwest wind 6 to 9 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 59. Southeast wind 6 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 34.
Wednesday
A slight chance of rain showers before noon, then rain and snow showers likely. Some thunder is also possible. Snow level 8700 feet lowering to 7800 feet in the afternoon . Mostly sunny, with a high near 48. Breezy. Chance of precipitation is 70%.
Wednesday Night
Snow showers, possibly mixed with rain, becoming all snow after midnight. Low around 28. Breezy. Chance of precipitation is 80%.
Thursday
Snow showers. Mostly cloudy, with a high near 35.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 18.
Friday
A chance of snow showers. Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mount Holmes WY
 44.81°N 110.75°W (Elev. 7641 ft)
Last Update:
9:47 am MDT Apr 18, 2026
Forecast Valid:
10am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation