Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

32°F

0°C

Humidity 43%
Wind Speed N 4 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 08 Dec 06:55 PM PST
Extended Forecast for

8 Miles ENE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind around 5 mph becoming calm.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. Calm wind becoming northwest around 5 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. West wind around 5 mph becoming calm  after midnight.

    Low: 31 °F

    Mostly Clear

  • Wednesday

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

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 32. Calm wind becoming west around 5 mph.

    Low: 32 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64. Calm wind.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 33.

    Low: 33 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 30. West wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 62. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 31. West wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 62. Calm wind.
Wednesday Night
Clear, with a low around 32. Calm wind becoming west around 5 mph.
Thursday
Sunny, with a high near 64. Calm wind.
Thursday Night
Clear, with a low around 33.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Mammoth Lakes CA
 37.68°N 118.83°W (Elev. 7047 ft)
3:30 pm PST Dec 8, 2025
7pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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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