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

45°F

7°C

Humidity 58%
Wind Speed S 6 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 11 Apr 08:15 PM MDT
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

  • Tonight

    Tonight: Scattered rain showers, mixing with snow after 10pm, then gradually ending. Snow level 8000 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 32. South southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Scattered
    Rain/Snow
    then Isolated
    Rain/Snow

  • Sunday

    Sunday: Scattered rain and snow showers before 2pm, then rain showers likely between 2pm and 5pm, then scattered rain and snow showers after 5pm. Some thunder is also possible. Snow level rising to 8100 feet in the afternoon. Mostly sunny, with a high near 49. Breezy, with a south wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Mostly Sunny
    then
    Rain/Snow
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow and
    Breezy then
    Slight Chance
    Snow Showers

  • Monday

    Monday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 39. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 27. Southwest wind 6 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 40. Breezy, with a southwest wind 6 to 16 mph, with gusts as high as 33 mph.

    High: 40 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 28. Breezy, with a south southwest wind around 17 mph, with gusts as high as 33 mph.

    Low: 28 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 70%.

    High: 38 °F

    Snow Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. Some thunder is also possible. Low around 27. Breezy. Chance of precipitation is 90%.

    Low: 27 °F

    Snow Showers
    and Breezy

Detailed Forecast

Tonight
Scattered rain showers, mixing with snow after 10pm, then gradually ending. Snow level 8000 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 32. South southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
Scattered rain and snow showers before 2pm, then rain showers likely between 2pm and 5pm, then scattered rain and snow showers after 5pm. Some thunder is also possible. Snow level rising to 8100 feet in the afternoon. Mostly sunny, with a high near 49. Breezy, with a south wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 39. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 27. Southwest wind 6 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 40 percent chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 40. Breezy, with a southwest wind 6 to 16 mph, with gusts as high as 33 mph.
Tuesday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 28. Breezy, with a south southwest wind around 17 mph, with gusts as high as 33 mph.
Wednesday
Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 70%.
Wednesday Night
Snow showers. Some thunder is also possible. Low around 27. Breezy. Chance of precipitation is 90%.
Thursday
Snow showers. Some thunder is also possible. High near 32. Breezy. Chance of precipitation is 90%.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 13.
Friday
A chance of snow showers. Mostly sunny, with a high near 32.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
Last Update:
8:47 pm MDT Apr 11, 2026
Forecast Valid:
9pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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