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

23°F

-5°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 09 Dec 02:55 AM PST
Extended Forecast for

12 Miles SE Mammoth Lakes CA

  • Overnight

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

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 41. North wind 10 to 15 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

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

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. Northwest wind 5 to 10 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. West wind 5 to 10 mph.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 43. Northwest wind 5 to 10 mph.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 26. West wind around 10 mph.
Tuesday
Sunny, with a high near 41. North wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 27. North wind around 10 mph.
Wednesday
Sunny, with a high near 42. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 27. West wind 5 to 10 mph.
Thursday
Sunny, with a high near 43. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 39.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SE Mammoth Lakes CA
 37.5°N 118.85°W (Elev. 11572 ft)
10:30 pm PST Dec 8, 2025
3am PST Dec 9, 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