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

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

51°F

11°C

Humidity 36%
Wind Speed ENE 4 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Last update 07 Dec 11:15 AM PST
Extended Forecast for

Mammoth Lakes CA

  • Today

    Today: Mostly sunny, with a high near 55. Southwest wind around 5 mph.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 32. Calm wind.

    Low: 32 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 57. Calm wind.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Calm wind.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. Calm wind becoming west around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 55. Southwest wind around 5 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 32. Calm wind.
Monday
Sunny, with a high near 57. Calm wind.
Monday Night
Mostly clear, with a low around 35. Calm wind.
Tuesday
Sunny, with a high near 60. Calm wind.
Tuesday Night
Mostly clear, with a low around 37. Calm wind becoming west around 5 mph.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.64°N 118.97°W (Elev. 7913 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