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

50°F

10°C

Humidity 37%
Wind Speed SE 5 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 07 Dec 11:35 AM PST
Extended Forecast for

4 Miles E Mammoth Lakes CA

  • Today

    Today: Mostly sunny, with a high near 56. Southwest wind around 5 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind around 5 mph becoming calm.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Calm wind.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Calm wind becoming northwest around 5 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Calm wind becoming west around 5 mph.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 56. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 29. Northwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 56. Calm wind.
Monday Night
Mostly clear, with a low around 32. Calm wind.
Tuesday
Sunny, with a high near 60. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 34. Calm wind becoming west around 5 mph.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Mammoth Lakes CA
 37.65°N 118.88°W (Elev. 7480 ft)
10:30 am PST Dec 7, 2025
11am PST Dec 7, 2025-6pm PST Dec 13, 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