National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns in the Southern Plains and Southeast; Pacific System to Bring Unsettled Weather to the West Coast

Gusty winds and dry conditions will continue to bring elevated to critical fire weather conditions to the southern Plains and Southeast early this week. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to northern and central California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

41°F

5°C

Humidity 46%
Wind Speed W 1 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Last update 19 Apr 11:45 PM PDT
Extended Forecast for

Mammoth Lakes CA

Winter Storm Watch April 21, 05:00am until April 22, 05:00pm
Lake Wind Advisory April 20, 11:00am until April 20, 10:00pm
Click here for hazard details and duration
Winter Storm Watch
Lake Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy blowing dust after 8am. Mostly sunny, with a high near 49. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 49 °F

    Patchy
    Blowing Dust
    and Breezy

  • Monday Night

    Monday Night: Areas of blowing dust. Mostly clear, with a low around 31. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 50 mph.

    Low: 31 °F

    Areas Blowing
    Dust and
    Breezy

  • Tuesday

    Tuesday: Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible. Patchy blowing dust. High near 38. Breezy, with a south wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 38 °F

    Heavy Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Patchy blowing dust. Low around 20. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 20 °F

    Breezy. Heavy
    Snow then
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of snow showers, mainly before 11am. Patchy blowing dust before 8am. Mostly sunny, with a high near 35. Southwest wind around 15 mph, with gusts as high as 35 mph. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Southwest wind around 10 mph, with gusts as high as 25 mph.
Monday
Patchy blowing dust after 8am. Mostly sunny, with a high near 49. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 50 mph.
Monday Night
Areas of blowing dust. Mostly clear, with a low around 31. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 50 mph.
Tuesday
Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible. Patchy blowing dust. High near 38. Breezy, with a south wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Tuesday Night
Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Patchy blowing dust. Low around 20. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Wednesday
A 30 percent chance of snow showers, mainly before 11am. Patchy blowing dust before 8am. Mostly sunny, with a high near 35. Southwest wind around 15 mph, with gusts as high as 35 mph. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 20.
Thursday
Sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 27.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 43.
Saturday Night
A slight chance of snow showers. Mostly cloudy, with a low around 28.
Sunday
A chance of snow showers. Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.61°N 118.99°W (Elev. 9137 ft)
Last Update:
11:30 pm PDT Apr 19, 2026
Forecast Valid:
12am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation