Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

25°F

-4°C

Humidity 79%
Wind Speed WNW 4 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 07 Dec 09:35 PM PST
Extended Forecast for

12 Miles SE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 22. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 38. North wind 5 to 10 mph becoming west in the afternoon.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: 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. Northwest wind around 10 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. Northwest wind 5 to 10 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Thursday Night

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

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 22. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 38. North wind 5 to 10 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 26. West wind around 10 mph.
Tuesday
Sunny, with a high near 41. Northwest wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 27. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 46. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Sunny, with a high near 43.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 26.
Sunday
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)
3:30 pm PST Dec 7, 2025
9pm PST Dec 7, 2025-6pm PST Dec 14, 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