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

40°F

4°C

Humidity 45%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 09 Apr 11:15 PM MDT
Extended Forecast for

5 Miles WNW Mount Holmes WY

  • Overnight

    Overnight: Partly cloudy, with a low around 30. East wind around 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Isolated showers and thunderstorms after 3pm. Snow level rising to 9900 feet in the afternoon. Mostly sunny, with a high near 51. East southeast wind 6 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 51 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Friday Night

    Friday Night: Isolated showers before 11pm. Snow level 9900 feet lowering to 8700 feet after midnight . Partly cloudy, with a low around 33. Southeast wind 8 to 11 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Isolated
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Rain likely, possibly mixed with snow showers, mainly after noon. Some thunder is also possible. Snow level rising to 9200 feet in the afternoon. Mostly sunny, with a high near 47. Breezy, with a south southwest wind 8 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 47 °F

    Breezy.
    Mostly Sunny
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before midnight. Some thunder is also possible. Mostly cloudy, with a low around 30. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Snow showers, mainly after noon. Some thunder is also possible. High near 43. Breezy, with a south southwest wind 7 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    High: 43 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 27. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 27 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Monday

    Monday: Snow showers. High near 36. Chance of precipitation is 80%.

    High: 36 °F

    Snow Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.

    Low: 26 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. East wind around 7 mph.
Friday
Isolated showers and thunderstorms after 3pm. Snow level rising to 9900 feet in the afternoon. Mostly sunny, with a high near 51. East southeast wind 6 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers before 11pm. Snow level 9900 feet lowering to 8700 feet after midnight . Partly cloudy, with a low around 33. Southeast wind 8 to 11 mph. Chance of precipitation is 20%.
Saturday
Rain likely, possibly mixed with snow showers, mainly after noon. Some thunder is also possible. Snow level rising to 9200 feet in the afternoon. Mostly sunny, with a high near 47. Breezy, with a south southwest wind 8 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A chance of rain and snow showers before midnight. Some thunder is also possible. Mostly cloudy, with a low around 30. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
Snow showers, mainly after noon. Some thunder is also possible. High near 43. Breezy, with a south southwest wind 7 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 27. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday
Snow showers. High near 36. Chance of precipitation is 80%.
Monday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Tuesday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Tuesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 26.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 34. Breezy.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 23. Breezy.
Thursday
A chance of snow showers. Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Mount Holmes WY
 44.83°N 110.94°W (Elev. 8369 ft)
Last Update:
11:48 pm MDT Apr 9, 2026
Forecast Valid:
12am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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