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.

light snow,haze

14°F

-10°C

Humidity 72%
Wind Speed W 26 MPH
Barometer 29.55 in (1000.68 mb)
Dewpoint 7°F (-14°C)
Visibility 1.25 mi
Wind Chill-6°F (-21°C)
Last update 18 Feb 03:55 AM PST
Extended Forecast for

9 Miles SE Mammoth Lakes CA

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

    NOW until 7:00am Wed

    Winter Storm Warning

  • Overnight

    Low: -2 °F

    Chance Snow
    and Windy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 4pm.  Partly sunny, with a high near 7. Wind chill values as low as -30. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph.  New snow accumulation of 1 to 3 inches possible.

    High: 7 °F

    Chance Snow
    and Windy

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 4am. The snow could be heavy at times.  Mostly cloudy, with a low around -1. Wind chill values as low as -25. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 40 mph.  Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: -1 °F

    Windy. Chance
    Snow then
    Heavy Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  High near 13. Windy, with a southwest wind 25 to 30 mph increasing to 30 to 35 mph in the afternoon. Winds could gust as high as 55 mph.  Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.

    High: 13 °F

    Heavy Snow
    and Windy

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around -6. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: -6 °F

    Breezy. Snow
    Likely then
    Chance Snow

  • Friday

    Friday: Sunny, with a high near 17. West wind around 15 mph, with gusts as high as 25 mph.

    High: 17 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 23. Breezy.

    High: 23 °F

    Sunny and
    Breezy

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a low around -2. Wind chill values as low as -25. Windy, with a west wind around 30 mph, with gusts as high as 45 mph. Total nighttime snow accumulation of 12 to 18 inches possible.
Wednesday
A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 7. Wind chill values as low as -30. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely, mainly after 4am. The snow could be heavy at times. Mostly cloudy, with a low around -1. Wind chill values as low as -25. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 13. Windy, with a southwest wind 25 to 30 mph increasing to 30 to 35 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.
Thursday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around -6. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday
Sunny, with a high near 17. West wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 3.
Saturday
Sunny, with a high near 23. Breezy.
Saturday Night
A chance of snow, mainly after 4am. Partly cloudy, with a low around 11. Windy.
Sunday
A chance of snow. The snow could be heavy at times. Partly sunny, with a high near 25. Windy.
Sunday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 17. Very windy.
Monday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 27. Very windy.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 17. Very windy.
Tuesday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 26. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Mammoth Lakes CA
 37.54°N 118.89°W (Elev. 10719 ft)
2:31 am PST Feb 18, 2026
4am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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