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.

Partly Cloudy

14°F

-10°C

Humidity 56%
Wind Speed W 23 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 18 Feb 07:55 AM PST
Extended Forecast for

12 Miles SE 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 30 percent chance of snow, mainly before 4pm.  Partly sunny, with a high near 3. Wind chill values as low as -30. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph.  Total daytime snow accumulation of 1 to 3 inches possible.

    High: 3 °F

    Chance Snow
    and Windy

  • Tonight

    Tonight: Snow likely, mainly after 4am. The snow could be heavy at times.  Mostly cloudy, with a low around -3. Wind chill values as low as -25. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: -3 °F

    Breezy.
    Chance Snow
    then Heavy
    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  High near 10. Wind chill values as low as -20. 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 10 to 14 inches possible.

    High: 10 °F

    Heavy Snow
    and Windy

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around -8. Wind chill values as low as -30. 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: -8 °F

    Breezy. Snow
    Likely then
    Slight Chance
    Snow

  • Friday

    Friday: Sunny, with a high near 14. West wind around 15 mph, with gusts as high as 25 mph.

    High: 14 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 1. Southwest wind 10 to 15 mph.

    Low: 1 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 20. Breezy.

    High: 20 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 4am.  Partly cloudy, with a low around 9. Windy.

    Low: 9 °F

    Chance Snow
    and Windy

  • Sunday

    Sunday: A chance of snow. The snow could be heavy at times.  Partly sunny, with a high near 22. Windy.

    High: 22 °F

    Heavy Snow
    and Windy

Detailed Forecast

Today
A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 3. Wind chill values as low as -30. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow likely, mainly after 4am. The snow could be heavy at times. Mostly cloudy, with a low around -3. Wind chill values as low as -25. Breezy, with a southwest wind around 25 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 10. Wind chill values as low as -20. 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 10 to 14 inches possible.
Thursday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around -8. Wind chill values as low as -30. 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 14. West wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 1. Southwest wind 10 to 15 mph.
Saturday
Sunny, with a high near 20. Breezy.
Saturday Night
A chance of snow, mainly after 4am. Partly cloudy, with a low around 9. Windy.
Sunday
A chance of snow. The snow could be heavy at times. Partly sunny, with a high near 22. Windy.
Sunday Night
A chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 15. Very windy.
Monday
A chance of snow. The snow could be heavy at times. Mostly cloudy, with a high near 24. Very windy.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 15. Windy.
Tuesday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 23. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SE Mammoth Lakes CA
 37.5°N 118.85°W (Elev. 11572 ft)
2:31 am PST Feb 18, 2026
8am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

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