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

57°F

14°C

Humidity 24%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 05 Apr 03:15 PM MDT
Extended Forecast for

Mammoth WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 58. West southwest wind around 5 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. West southwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61. Light and variable wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind around 6 mph becoming south in the evening.

    Low: 35 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Breezy, with a south wind 6 to 11 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 60 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain showers, mixing with snow after 9pm, then gradually ending. Snow level 8000 feet lowering to 5700 feet after midnight . Partly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Snow and
    Breezy then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 54. West wind 7 to 11 mph, with gusts as high as 28 mph.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after noon. Snow level rising to 7000 feet in the afternoon. Sunny, with a high near 58.

    High: 58 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 58. West southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 36. West southwest wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 61. Light and variable wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind around 6 mph becoming south in the evening.
Tuesday
Mostly sunny, with a high near 60. Breezy, with a south wind 6 to 11 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph.
Tuesday Night
A chance of rain showers, mixing with snow after 9pm, then gradually ending. Snow level 8000 feet lowering to 5700 feet after midnight . Partly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 54. West wind 7 to 11 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
A 20 percent chance of showers after noon. Snow level rising to 7000 feet in the afternoon. Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 35.
Friday
A slight chance of showers. Mostly sunny, with a high near 64.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 39.
Saturday
A chance of showers. Mostly sunny, with a high near 64.
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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:
2:48 pm MDT Apr 5, 2026
Forecast Valid:
3pm MDT Apr 5, 2026-6pm MDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation