Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

-2°F

-19°C

Humidity 77%
Wind Speed N 4 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 20 Feb 06:35 AM PST
Extended Forecast for

4 Miles E Mammoth Lakes CA

  • Today

    Today: Mostly sunny, with a high near 29. West wind around 5 mph becoming calm  in the morning.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 4. Northwest wind around 5 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 35. South wind 5 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 16. Southwest wind 5 to 10 mph.

    Low: 16 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 42. Southwest wind 5 to 10 mph.

    High: 42 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Southwest wind around 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain and snow, mainly after 4am.  Snow level 7800 feet rising to 8500 feet after midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain.  Snow level 9100 feet. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 29. West wind around 5 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 4. Northwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 35. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 16. Southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 42. Southwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 21. Southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 45.
Monday Night
A chance of rain and snow, mainly after 4am. Snow level 7800 feet rising to 8500 feet after midnight. Mostly cloudy, with a low around 28.
Tuesday
A chance of rain. Snow level 9100 feet. Mostly cloudy, with a high near 43.
Tuesday Night
Rain likely, mainly before 4am. Snow level 9100 feet. Mostly cloudy, with a low around 29.
Wednesday
A chance of rain and snow. Snow level 8700 feet. Partly sunny, with a high near 44.
Wednesday Night
A chance of rain and snow. Snow level 8400 feet lowering to 7800 feet after midnight . Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow. Snow level rising to 8200 feet in the afternoon. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Mammoth Lakes CA
 37.65°N 118.88°W (Elev. 7480 ft)
12:36 am PST Feb 20, 2026
6am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database