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

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

snow,haze

19°F

-7°C

Humidity 85%
Wind Speed W 13 MPH
Barometer 29.49 in (998.65 mb)
Dewpoint 16°F (-9°C)
Visibility 0.25 mi
Wind Chill6°F (-14°C)
Last update 18 Feb 12:55 AM PST
Extended Forecast for

8 Miles ESE Mammoth Lakes CA

Winter Weather Advisory February 19, 04:00am until February 19, 10:00pm
Winter Storm Warning February 18, 01:26am until February 18, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 01:26am until February 18, 07:00am

    NOW until 7:00am Wed

    Winter Storm Warning

  • Overnight

    Low: 1 °F

    Heavy Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 7am.  Mostly sunny, with a high near 20. West wind 10 to 15 mph, with gusts as high as 25 mph.  New snow accumulation of less than a half inch possible.

    High: 20 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: 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.

    Low: 3 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

Overnight
Snow likely, mainly before 4am. The snow could be heavy at times. Mostly cloudy, with a low around 1. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 8 to 12 inches possible.
Wednesday
A 30 percent chance of snow, mainly before 7am. Mostly sunny, with a high near 20. West wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
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.
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)
1:15 am PST Feb 18, 2026
1am 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