Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Clear

28°F

-2°C

Humidity 58%
Wind Speed NNW 3 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 10 Dec 02:35 AM PST
Extended Forecast for

10 Miles ENE Mammoth Lakes CA

  • Today

    Today: Sunny, with a high near 61. Calm wind.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. Calm wind.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 26. Calm wind becoming west around 5 mph.

    Low: 26 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Calm wind.
Tonight
Mostly clear, with a low around 28. Calm wind.
Thursday
Sunny, with a high near 62. Calm wind.
Thursday Night
Clear, with a low around 26. Calm wind becoming west around 5 mph.
Friday
Sunny, with a high near 63. Calm wind.
Friday Night
Mostly clear, with a low around 28. Calm wind.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 27.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A slight chance of rain. Snow level 8900 feet. Mostly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ENE Mammoth Lakes CA
 37.69°N 118.78°W (Elev. 6916 ft)
3:30 am PST Dec 10, 2025
4am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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