Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

27°F

-3°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 11 Dec 05:15 AM PST
Extended Forecast for

12 Miles SE Mammoth Lakes CA

  • Today

    Today: Sunny, with a high near 42. North wind 5 to 10 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. North wind 5 to 10 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 42. West wind 5 to 10 mph.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. West wind 5 to 10 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 40. West wind 5 to 10 mph.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23. West wind around 10 mph.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Sunday Night

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

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 42. North wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 28. North wind 5 to 10 mph.
Friday
Sunny, with a high near 42. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 26. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 40. West wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 23. West wind around 10 mph.
Sunday
Sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 24.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 37. Breezy.
Tuesday Night
Partly cloudy, with a low around 26. Windy.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 35. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SE Mammoth Lakes CA
 37.5°N 118.85°W (Elev. 11572 ft)
3:30 am PST Dec 11, 2025
5am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database