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

43°F

6°C

Humidity 70%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 11 Apr 04:15 AM MDT
Extended Forecast for

Mammoth Hot Springs WY

  • Today

    Today: Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 62. Breezy, with an east wind 7 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Mostly Sunny
    then
    Scattered
    Showers and
    Breezy

  • Tonight

    Tonight: Scattered showers, mainly before 1am. Mostly cloudy, with a low around 39. South wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Scattered
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. South southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain showers before 3am, then a slight chance of rain and snow showers. Snow level 8000 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 35. South southwest wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: Rain and snow showers likely, becoming all rain after 3pm. Some thunder is also possible. Snow level 5900 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 50. Southwest wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Snow level 6600 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 35. Southwest wind 5 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 35 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow showers. Snow level 5800 feet rising to 6500 feet in the afternoon. Partly sunny, with a high near 50. Southwest wind 5 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 50 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow showers before noon, then rain showers likely. Snow level 5800 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 49. Breezy. Chance of precipitation is 60%.

    High: 49 °F

    Chance
    Rain/Snow
    then Showers
    Likely and
    Breezy

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 62. Breezy, with an east wind 7 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers, mainly before 1am. Mostly cloudy, with a low around 39. South wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. South southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of rain showers before 3am, then a slight chance of rain and snow showers. Snow level 8000 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 35. South southwest wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
Rain and snow showers likely, becoming all rain after 3pm. Some thunder is also possible. Snow level 5900 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 50. Southwest wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Snow level 6600 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 35. Southwest wind 5 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Tuesday
A chance of rain and snow showers. Snow level 5800 feet rising to 6500 feet in the afternoon. Partly sunny, with a high near 50. Southwest wind 5 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
A chance of rain and snow showers before noon, then rain showers likely. Snow level 5800 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 49. Breezy. Chance of precipitation is 60%.
Wednesday Night
Rain showers likely before 9pm, then rain and snow showers between 9pm and 3am, then snow showers after 3am. Snow level 6900 feet lowering to 5700 feet after midnight . Low around 33. Breezy. Chance of precipitation is 80%.
Thursday
Snow showers. Partly sunny, with a high near 42.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 20.
Friday
A chance of snow showers. Mostly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
4:48 am MDT Apr 11, 2026
Forecast Valid:
5am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation