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

42°F

6°C

Humidity 39%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 03 Feb 05:15 PM MST
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: Mostly clear, with a low around 24. Light and variable wind becoming south southeast around 6 mph after midnight.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. South southeast wind 3 to 6 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. Light south southeast wind.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Light south wind.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. Southeast wind 3 to 6 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. South southeast wind 3 to 6 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. South wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 24. Light and variable wind becoming south southeast around 6 mph after midnight.
Wednesday
Sunny, with a high near 46. South southeast wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 28. Light south southeast wind.
Thursday
Sunny, with a high near 52. Light south wind.
Thursday Night
Mostly clear, with a low around 27. Southeast wind 3 to 6 mph.
Friday
Sunny, with a high near 52. South southeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 28. South wind around 6 mph.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
A slight chance of rain and snow showers. Snow level 6900 feet lowering to 6100 feet after midnight . Partly cloudy, with a low around 32.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 43.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 28.
Tuesday
A chance of snow showers. Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
5:31 pm MST Feb 3, 2026
Forecast Valid:
6pm MST Feb 3, 2026-6pm MST Feb 10, 2026
 
Forecast Discussion
 
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Additional Resources

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