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

42°F

6°C

Humidity 56%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 09 Oct 02:15 AM MDT
Extended Forecast for

5 Miles ESE Mount Holmes WY

  • Overnight

    Overnight: Mostly clear, with a low around 30. South southeast wind around 5 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. Light south southeast wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 5am. Increasing clouds, with a low around 34. South southeast wind 5 to 7 mph.

    Low: 34 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before noon. Mostly sunny, with a high near 61. South southeast wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 61 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers after midnight. Partly cloudy, with a low around 38. South wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 53. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 53 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Rain showers before 11pm, then rain and snow showers between 11pm and 2am, then snow showers after 2am. Some thunder is also possible. Snow level 10500 feet lowering to 7600 feet after midnight . Low around 26. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 26 °F

    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Snow showers likely, mainly before noon. Some thunder is also possible. Mostly cloudy, with a high near 34. Breezy. Chance of precipitation is 70%.

    High: 34 °F

    Snow Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 30. South southeast wind around 5 mph.
Thursday
Sunny, with a high near 62. Light south southeast wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers after 5am. Increasing clouds, with a low around 34. South southeast wind 5 to 7 mph.
Friday
A 30 percent chance of showers, mainly before noon. Mostly sunny, with a high near 61. South southeast wind 6 to 11 mph, with gusts as high as 23 mph.
Friday Night
A 30 percent chance of showers after midnight. Partly cloudy, with a low around 38. South wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 53. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Saturday Night
Rain showers before 11pm, then rain and snow showers between 11pm and 2am, then snow showers after 2am. Some thunder is also possible. Snow level 10500 feet lowering to 7600 feet after midnight . Low around 26. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Sunday
Snow showers likely, mainly before noon. Some thunder is also possible. Mostly cloudy, with a high near 34. Breezy. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 19.
Columbus Day
Mostly sunny, with a high near 44.
Monday Night
A slight chance of rain and snow showers. Snow level 8000 feet. Mostly cloudy, with a low around 22.
Tuesday
A chance of rain and snow showers. Snow level 8100 feet rising to 8900 feet in the afternoon. Partly sunny, with a high near 43.
Tuesday Night
A chance of rain and snow showers. Snow level 8800 feet lowering to 7900 feet after midnight . Mostly cloudy, with a low around 24.
Wednesday
A chance of rain and snow showers. Snow level 7900 feet. Partly sunny, with a high near 41.
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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:
1:03 am MDT Oct 9, 2025
Forecast Valid:
2am MDT Oct 9, 2025-6pm MDT Oct 15, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation