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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

heavy snow,freezing fog

23°F

-5°C

Humidity 92%
Wind Speed ESE 14 MPH
Barometer 29.57 in (1001.36 mb)
Dewpoint 21°F (-6°C)
Visibility -0.25 mi
Wind Chill11°F (-12°C)
Last update 17 Feb 03:55 PM PST
Extended Forecast for

4 Miles E Mammoth Lakes CA

Winter Weather Advisory February 19, 04:00am until February 19, 10:00pm
Winter Storm Warning February 17, 04:02pm until February 18, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
Winter Storm Warning
  •  
    Winter Storm Warning February 17, 04:02pm until February 18, 07:00am

    NOW until 7:00am Wed

    Winter Storm Warning

  • This Afternoon

    High: 27 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 5. Breezy, with a west wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    Low: 5 °F

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 22. West wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

    High: 22 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly after 4am. Low around 4. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 4 °F

    Chance Snow
    then Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 26. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 26 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 0. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 0 °F

    Snow Likely
    then Chance
    Snow

  • Friday

    Friday: A 20 percent chance of snow after 10am. Mostly sunny, with a high near 29.

    High: 29 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 27. Breezy, with a southwest wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 10 to 16 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 5. Breezy, with a west wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Wednesday
A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 22. West wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.
Wednesday Night
Snow, mainly after 4am. Low around 4. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday
Snow. The snow could be heavy at times. High near 26. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 0. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 7.
Saturday
A slight chance of snow between 10am and 4pm. Mostly sunny, with a high near 35.
Saturday Night
A slight chance of snow after 10pm. Partly cloudy, with a low around 15.
Sunday
A chance of snow. Partly sunny, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21.
Monday
Snow likely. Mostly cloudy, with a high near 39.
Monday Night
Snow likely. Mostly cloudy, with a low around 22.
Tuesday
Snow likely. Mostly cloudy, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Mammoth Lakes CA
 37.65°N 118.88°W (Elev. 7480 ft)
Last Update:
1:15 pm PST Feb 17, 2026
Forecast Valid:
4pm PST Feb 17, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation