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

38°F

3°C

Humidity 99%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 12 Apr 02:15 AM MDT
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. South southwest wind 6 to 8 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain showers before 4pm, then rain and snow showers likely between 4pm and 5pm, then a chance of rain showers after 5pm. Some thunder is also possible. Snow level rising to 8200 feet in the afternoon. Mostly sunny, with a high near 48. South wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 48 °F

    Mostly Sunny
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 10pm, then a slight chance of snow showers after 4am. Partly cloudy, with a low around 28. South southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 42. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 26. Southwest wind 6 to 14 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 42. Breezy, with a southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 31 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after noon. Some thunder is also possible. High near 40. Breezy. Chance of precipitation is 80%.

    High: 40 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. Some thunder is also possible. Low around 27. Breezy. Chance of precipitation is 100%.

    Low: 27 °F

    Snow Showers
    and Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. South southwest wind 6 to 8 mph.
Sunday
A chance of rain showers before 4pm, then rain and snow showers likely between 4pm and 5pm, then a chance of rain showers after 5pm. Some thunder is also possible. Snow level rising to 8200 feet in the afternoon. Mostly sunny, with a high near 48. South wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow showers before 10pm, then a slight chance of snow showers after 4am. Partly cloudy, with a low around 28. South southwest wind around 14 mph, with gusts as high as 21 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 42. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 26. Southwest wind 6 to 14 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Tuesday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 42. Breezy, with a southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 29. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 31 mph.
Wednesday
Snow showers, mainly after noon. Some thunder is also possible. High near 40. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow showers. Some thunder is also possible. Low around 27. Breezy. Chance of precipitation is 100%.
Thursday
Snow showers. Some thunder is also possible. High near 32. Breezy. Chance of precipitation is 100%.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 14.
Friday
A chance of snow showers. Partly sunny, with a high near 32.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 13.
Saturday
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 SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
Last Update:
12:32 am MDT Apr 12, 2026
Forecast Valid:
2am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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