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

35°F

2°C

Humidity 87%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 23 Apr 04:15 AM MDT
Extended Forecast for

5 Miles ESE Mount Holmes WY

Winter Weather Advisory April 23, 04:30am until April 23, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 23, 04:30am until April 23, 11:00pm

    NOW until 11:00pm Thu

    Winter Weather Advisory

  • Overnight

    Low: 26 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 35. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 16. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 16 °F

    Snow Showers
    Likely

  • Friday

    Friday: Snow showers. Some thunder is also possible. High near 29. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 9. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.

    Low: 9 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 36. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 36 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 18. West southwest wind 5 to 8 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 18 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

Detailed Forecast

Overnight
Snow showers. Low around 26. West southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers. Some thunder is also possible. High near 35. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 16. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday
Snow showers. Some thunder is also possible. High near 29. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 9. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Saturday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 36. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 18. West southwest wind 5 to 8 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Sunday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Monday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 38. Chance of precipitation is 70%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 21.
Tuesday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 43.
Tuesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 23.
Wednesday
A chance of snow showers. Mostly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mount Holmes WY
 44.81°N 110.75°W (Elev. 7641 ft)
Last Update:
2:49 am MDT Apr 23, 2026
Forecast Valid:
4am MDT Apr 23, 2026-6pm MDT Apr 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation