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

9 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 26. West wind around 10 mph.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46. Northwest wind 10 to 15 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. West wind around 10 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47. Northwest wind 5 to 10 mph.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 29. West wind around 10 mph.

    Low: 29 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 48. Northwest wind 5 to 10 mph.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 28.

    Low: 28 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 26. West wind around 10 mph.
Tuesday
Sunny, with a high near 46. Northwest wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 27. West wind around 10 mph.
Wednesday
Sunny, with a high near 47. Northwest wind 5 to 10 mph.
Wednesday Night
Clear, with a low around 29. West wind around 10 mph.
Thursday
Sunny, with a high near 48. Northwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 28.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Mammoth Lakes CA
 37.56°N 118.87°W (Elev. 11175 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