National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

48°F

9°C

Humidity 58%
Wind Speed SSW 16 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 14 Nov 09:15 PM MST
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 38. South southwest wind 7 to 10 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 52. South wind 6 to 8 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 35. South southeast wind around 7 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 52. Southeast wind around 6 mph.

    High: 52 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Cloudy, with a low around 39. South wind around 6 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 11am. Cloudy, with a high near 45. South southwest wind around 7 mph. Chance of precipitation is 60%.

    High: 45 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 36. South wind around 7 mph.

    Low: 36 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 11pm. Snow level 7100 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 38. South southwest wind 7 to 10 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 52. South wind 6 to 8 mph.
Saturday Night
Increasing clouds, with a low around 35. South southeast wind around 7 mph.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 52. Southeast wind around 6 mph.
Sunday Night
A 50 percent chance of showers. Cloudy, with a low around 39. South wind around 6 mph.
Monday
Showers likely, mainly before 11am. Cloudy, with a high near 45. South southwest wind around 7 mph. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 36. South wind around 7 mph.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 46.
Tuesday Night
A 30 percent chance of showers, mainly after 11pm. Snow level 7100 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 33.
Wednesday
A chance of rain and snow showers. Snow level 6100 feet. Partly sunny, with a high near 44. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
A slight chance of rain and snow showers. Partly sunny, with a high near 44.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28.
Friday
A slight chance of snow showers. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
9:01 pm MST Nov 14, 2025
Forecast Valid:
9pm MST Nov 14, 2025-6pm MST Nov 21, 2025
 
Forecast Discussion
 
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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