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

39°F

4°C

Humidity 89%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 12 Apr 08:15 PM MDT
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday

    Monday: Snow showers likely, mainly after 3pm. Some thunder is also possible. Partly sunny, with a high near 38. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 38 °F

    Breezy.
    Scattered
    Snow Showers
    then Snow
    Showers
    Likely

  • Monday Night

    Monday Night: Scattered snow showers before midnight. Mostly cloudy, with a low around 27. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Scattered
    Snow Showers
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 41. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 30 mph.

    High: 41 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Breezy, with a south southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 40. Breezy, with a south southwest wind 14 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 70%.

    High: 40 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers. Some thunder is also possible. Low around 28. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.

    Low: 28 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 32. Breezy. Chance of precipitation is 100%.

    High: 32 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 14. Chance of precipitation is 70%.

    Low: 14 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 28 mph.
Monday
Snow showers likely, mainly after 3pm. Some thunder is also possible. Partly sunny, with a high near 38. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday Night
Scattered snow showers before midnight. Mostly cloudy, with a low around 27. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 41. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 28. Breezy, with a south southwest wind around 15 mph, with gusts as high as 30 mph.
Wednesday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 40. Breezy, with a south southwest wind 14 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 70%.
Wednesday Night
Snow showers. Some thunder is also possible. Low around 28. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 40 mph. 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, mainly before midnight. Mostly cloudy, with a low around 14. Chance of precipitation is 70%.
Friday
A 50 percent chance of snow showers. Partly sunny, with a high near 31.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Mostly sunny, with a high near 45.
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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 12, 2026
Forecast Valid:
9pm MDT Apr 12, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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