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

40°F

4°C

Humidity 45%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 20 Apr 03:15 AM MDT
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. South wind around 7 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 58. Breezy, with a southwest wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 58 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southwest wind 6 to 13 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. South southwest wind 6 to 14 mph, with gusts as high as 29 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 35. South southeast wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Rain and snow showers likely, becoming all snow after 3pm. Some thunder is also possible. Snow level 8500 feet lowering to 7400 feet in the afternoon . Partly sunny, with a high near 46. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.

    High: 46 °F

    Breezy.
    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 29. Breezy, with a southwest wind 11 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.

    Low: 29 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 35. Chance of precipitation is 90%.

    High: 35 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.

    Low: 19 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. South wind around 7 mph.
Monday
Sunny, with a high near 58. Breezy, with a southwest wind 6 to 16 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 32. South southwest wind 6 to 13 mph.
Tuesday
Mostly sunny, with a high near 60. South southwest wind 6 to 14 mph, with gusts as high as 29 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 35. South southeast wind 8 to 11 mph, with gusts as high as 25 mph.
Wednesday
Rain and snow showers likely, becoming all snow after 3pm. Some thunder is also possible. Snow level 8500 feet lowering to 7400 feet in the afternoon . Partly sunny, with a high near 46. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Wednesday Night
Snow showers. Low around 29. Breezy, with a southwest wind 11 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.
Thursday
Snow showers. Some thunder is also possible. High near 35. Chance of precipitation is 90%.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Friday
Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 33. Chance of precipitation is 60%.
Friday Night
A chance of snow showers. Partly cloudy, with a low around 15.
Saturday
A chance of snow showers. Mostly sunny, with a high near 37.
Saturday Night
A slight chance of snow showers. Mostly cloudy, with a low around 18.
Sunday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
Last Update:
3:07 am MDT Apr 20, 2026
Forecast Valid:
3am MDT Apr 20, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation