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Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

16°F

-9°C

Humidity 83%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Wind Chill10°F (-12°C)
Last update 17 Apr 04:15 AM MDT
Extended Forecast for

Mammoth WY

Winter Storm Warning April 17, 05:28am until April 17, 06:00am
Click here for hazard details and duration
...
  •  
    Winter Storm Warning April 17, 05:28am until April 17, 06:00am

    NOW until 6:00am Fri

    Winter Storm Warning

  • Today

    High: 38 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly before 10pm. Partly cloudy, with a low around 18. Northwest wind 5 to 9 mph becoming light and variable. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. Southwest wind 5 to 11 mph, with gusts as high as 25 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. South wind 6 to 11 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Southwest wind around 7 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. South wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. South southeast wind 5 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Today
A 50 percent chance of snow showers, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 38. South southwest wind 5 to 11 mph becoming north northwest in the morning. Total daytime snow accumulation of less than one inch possible.
Tonight
A 30 percent chance of snow showers, mainly before 10pm. Partly cloudy, with a low around 18. Northwest wind 5 to 9 mph becoming light and variable. New snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 49. Southwest wind 5 to 11 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 26. South wind 6 to 11 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 60. Southwest wind around 7 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 35. South wind around 7 mph.
Monday
Mostly sunny, with a high near 66. South southeast wind 5 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
A chance of showers. Mostly sunny, with a high near 62.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 38.
Thursday
Rain and snow showers likely. Snow level 6500 feet. Partly sunny, with a high near 53.
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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:
3:32 am MDT Apr 17, 2026
Forecast Valid:
5am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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