Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Mostly Cloudy

21°F

-6°C

Humidity 44%
Wind Speed WSW 13 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 18 Feb 11:35 AM PST
Extended Forecast for

9 Miles E Mammoth Lakes CA

Winter Weather Advisory February 19, 04:00am until February 19, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: A 20 percent chance of snow before 4pm.  Mostly sunny, with a high near 20. West wind around 10 mph, with gusts as high as 20 mph.

    High: 20 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 1am.  Partly cloudy, with a low around 0. Southwest wind 5 to 10 mph.  New snow accumulation of less than one inch possible.

    Low: 0 °F

    Chance Snow

  • Thursday

    Thursday: Snow.  High near 25. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 25 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around -3. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: -3 °F

    Snow Likely
    then Slight
    Chance Snow

  • Friday

    Friday: Sunny, with a high near 27. West wind around 5 mph becoming calm  in the morning.

    High: 27 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 4. Southwest wind around 5 mph.

    Low: 4 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 10pm.  Partly cloudy, with a low around 13.

    Low: 13 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A chance of snow.  Partly sunny, with a high near 36.

    High: 36 °F

    Chance Snow

Detailed Forecast

Today
A 20 percent chance of snow before 4pm. Mostly sunny, with a high near 20. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of snow, mainly after 1am. Partly cloudy, with a low around 0. Southwest wind 5 to 10 mph. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 25. Southwest wind 10 to 15 mph, with gusts as high as 25 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 -3. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Sunny, with a high near 27. West wind around 5 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 4. Southwest wind around 5 mph.
Saturday
Sunny, with a high near 32.
Saturday Night
A slight chance of snow after 10pm. Partly cloudy, with a low around 13.
Sunday
A chance of snow. Partly sunny, with a high near 36.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18.
Monday
A chance of snow. Partly sunny, with a high near 37.
Monday Night
Snow likely. Mostly cloudy, with a low around 20.
Tuesday
Snow likely. Mostly cloudy, with a high near 36.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E Mammoth Lakes CA
 37.64°N 118.82°W (Elev. 7198 ft)
9:16 am PST Feb 18, 2026
11am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
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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