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

26°F

-3°C

Humidity 62%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 17 Apr 09:15 AM MDT
Extended Forecast for

5 Miles WNW Mount Holmes WY

  • Today

    Today: Snow showers likely, mainly between 2pm and 3pm. Some thunder is also possible. Partly sunny, with a high near 23. West wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of snow showers before 8pm. Mostly cloudy, with a low around 7. West northwest wind 6 to 11 mph becoming light north northwest after midnight. New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 33. Wind chill values as low as zero. Southwest wind 5 to 13 mph becoming south southeast in the morning. Winds could gust as high as 25 mph.

    High: 33 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 18. South wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 44. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. Southwest wind 6 to 8 mph becoming south southeast after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers likely, mainly between 2pm and 3pm. Some thunder is also possible. Partly sunny, with a high near 23. West wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A 40 percent chance of snow showers before 8pm. Mostly cloudy, with a low around 7. West northwest wind 6 to 11 mph becoming light north northwest after midnight. New snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 33. Wind chill values as low as zero. Southwest wind 5 to 13 mph becoming south southeast in the morning. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 18. South wind 6 to 11 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 44. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 27. Southwest wind 6 to 8 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 50. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
A slight chance of rain showers after midnight, mixing with snow after 3am. Snow level 9800 feet lowering to 9000 feet after midnight . Partly cloudy, with a low around 33. Chance of precipitation is 20%.
Wednesday
Snow showers likely. Mostly sunny, with a high near 46.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 29.
Thursday
Snow showers likely. Mostly cloudy, with a high near 37.
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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:
8:48 am MDT Apr 17, 2026
Forecast Valid:
9am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

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