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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

31°F

-1°C

Humidity 52%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 16 Apr 04:15 PM MDT
Extended Forecast for

Mammoth WY

Winter Storm Warning April 16, 05:13pm until April 17, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 16, 05:13pm until April 17, 06:00am

    NOW until 6:00am Fri

    Winter Storm Warning

  • This Afternoon

    High: 31 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers likely before 11pm, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 22. Northwest wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly after 3pm. Some thunder is also possible. Partly sunny, with a high near 32. Light and variable wind becoming north northwest 8 to 13 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 17. Northwest wind 5 to 8 mph becoming calm.

    Low: 17 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. Southwest wind 5 to 10 mph, with gusts as high as 23 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Southwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 23 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. South southeast wind around 7 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 31. Northwest wind around 9 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers likely before 11pm, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 22. Northwest wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after 3pm. Some thunder is also possible. Partly sunny, with a high near 32. Light and variable wind becoming north northwest 8 to 13 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 17. Northwest wind 5 to 8 mph becoming calm.
Saturday
Sunny, with a high near 49. Southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 26. Southwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 59. South southeast wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Sunny, with a high near 69.
Tuesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 42.
Wednesday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 65.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 40.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 56.
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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:
4:03 pm MDT Apr 16, 2026
Forecast Valid:
5pm MDT Apr 16, 2026-6pm MDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation