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.

unknown precip,haze

21°F

-6°C

Humidity 48%
Wind Speed WSW 17 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 5°F (-15°C)
Visibility 1.50 mi
Wind Chill7°F (-14°C)
Last update 18 Feb 11:55 AM PST
Extended Forecast for

8 Miles ESE 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
  • This Afternoon

    This Afternoon: A 20 percent chance of snow before 4pm.  Mostly sunny, with a high near 20. West wind around 15 mph, with gusts as high as 25 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 around 5 mph.  New snow accumulation of less than one inch possible.

    Low: 0 °F

    Chance Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  High near 25. South wind 5 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: 25 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm.  Partly 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 28. Calm wind becoming west around 5 mph.

    High: 28 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 3. Calm wind becoming southwest around 5 mph.

    Low: 3 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 10pm.  Partly cloudy, with a low around 12.

    Low: 12 °F

    Slight Chance
    Snow

  • Sunday

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

    High: 36 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 20 percent chance of snow before 4pm. Mostly sunny, with a high near 20. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of snow, mainly after 1am. Partly cloudy, with a low around 0. Southwest wind around 5 mph. New snow accumulation of less than one inch possible.
Thursday
Snow. The snow could be heavy at times. High near 25. South wind 5 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. Partly 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 28. Calm wind becoming west around 5 mph.
Friday Night
Mostly clear, with a low around 3. Calm wind becoming southwest around 5 mph.
Saturday
Sunny, with a high near 33.
Saturday Night
A slight chance of snow after 10pm. Partly cloudy, with a low around 12.
Sunday
A chance of snow. Partly sunny, with a high near 36.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17.
Monday
Snow likely. Partly sunny, with a high near 37.
Monday Night
Snow likely. Mostly cloudy, with a low around 18.
Tuesday
Snow likely. Mostly cloudy, with a high near 37.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Mammoth Lakes CA
 37.61°N 118.82°W (Elev. 7201 ft)
9:16 am PST Feb 18, 2026
12pm 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