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 66%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 12 Apr 11:15 PM MDT
Extended Forecast for

5 Miles WNW Mount Holmes WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. South southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Snow showers likely, mainly after 1pm. Some thunder is also possible. Mostly cloudy, with a high near 32. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 32 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of snow showers, mainly before 8pm. Mostly cloudy, with a low around 24. Southwest wind 5 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 20 percent chance of snow showers after noon. Partly sunny, with a high near 35. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 35 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after noon. High near 33. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

    High: 33 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. Some thunder is also possible. Low around 23. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%.

    Low: 23 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 25. Breezy. Chance of precipitation is 100%.

    High: 25 °F

    Heavy Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow showers, mainly before midnight. Low around 11. Chance of precipitation is 80%.

    Low: 11 °F

    Snow Showers
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. South southwest wind around 14 mph, with gusts as high as 24 mph.
Monday
Snow showers likely, mainly after 1pm. Some thunder is also possible. Mostly cloudy, with a high near 32. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night
A 40 percent chance of snow showers, mainly before 8pm. Mostly cloudy, with a low around 24. Southwest wind 5 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow showers after noon. Partly sunny, with a high near 35. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 25. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Wednesday
Snow showers, mainly after noon. High near 33. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Wednesday Night
Snow showers. Some thunder is also possible. Low around 23. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%.
Thursday
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 25. Breezy. Chance of precipitation is 100%.
Thursday Night
Snow showers, mainly before midnight. Low around 11. Chance of precipitation is 80%.
Friday
A 50 percent chance of snow showers. Partly sunny, with a high near 25.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 9.
Saturday
Sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 39.
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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:
11:32 pm MDT Apr 12, 2026
Forecast Valid:
12am MDT Apr 13, 2026-6pm MDT Apr 19, 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