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

40°F

4°C

Humidity 84%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 12 Apr 12:15 AM MDT
Extended Forecast for

5 Miles WNW Mount Holmes WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. South southwest wind 6 to 8 mph.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow showers likely, mainly after 4pm. Some thunder is also possible. Partly sunny, with a high near 42. Breezy, with a south wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Partly Sunny
    then Snow
    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of snow showers before 10pm, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 25. South southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Monday

    Monday: Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 35. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. Southwest wind 6 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 35. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 35 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Breezy, with a south southwest wind around 15 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after noon. Some thunder is also possible. High near 33. Breezy. Chance of precipitation is 90%.

    High: 33 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 22. Breezy. Chance of precipitation is 100%.

    Low: 22 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. South southwest wind 6 to 8 mph.
Sunday
Snow showers likely, mainly after 4pm. Some thunder is also possible. Partly sunny, with a high near 42. Breezy, with a south wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
A chance of snow showers before 10pm, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 25. South southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Monday
Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 35. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. Southwest wind 6 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 35. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Breezy, with a south southwest wind around 15 mph, with gusts as high as 28 mph.
Wednesday
Snow showers, mainly after noon. Some thunder is also possible. High near 33. Breezy. Chance of precipitation is 90%.
Wednesday Night
Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 22. Breezy. Chance of precipitation is 100%.
Thursday
Snow showers. Some thunder is also possible. High near 25. Breezy. Chance of precipitation is 100%.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 11.
Friday
A chance of snow showers. Partly sunny, with a high near 26.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 11.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 33.
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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:
12:32 am MDT Apr 12, 2026
Forecast Valid:
1am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation