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.

heavy snow,haze

23°F

-5°C

Humidity 53%
Wind Speed W 13 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 8°F (-13°C)
Visibility -0.25 mi
Wind Chill11°F (-12°C)
Last update 18 Feb 03:35 PM PST
Extended Forecast for

5 Miles ENE 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 30 percent chance of snow, mainly before 4pm.  High near 21. West wind around 15 mph, with gusts as high as 25 mph.  Total daytime snow accumulation of less than one inch possible.

    High: 21 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 4am.  Low around 6. Southwest wind around 10 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 6 °F

    Chance Snow
    then Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  High near 26. South wind 10 to 15 mph becoming southwest in the morning. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 26 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm.  Low around 0. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 0 °F

    Snow Likely
    then Slight
    Chance Snow

  • Friday

    Friday: High near 29.

    High: 29 °F

  • Friday Night

    Friday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy
    then

  • Saturday

    Saturday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Low around 25.

    Low: 25 °F

  • Sunday

    Sunday: A slight chance of snow.  High near 39.

    High: 39 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly before 4pm. High near 21. West wind around 15 mph, with gusts as high as 25 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow, mainly after 4am. Low around 6. Southwest wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
Snow. The snow could be heavy at times. High near 26. South wind 10 to 15 mph becoming southwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow likely, mainly before 10pm. Low around 0. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
High near 29.
Friday Night
Partly cloudy, with a low around 5.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Low around 25.
Sunday
A slight chance of snow. High near 39.
Sunday Night
A chance of snow, mainly after 10pm. Low around 26.
Monday
A chance of snow. High near 40.
Monday Night
A chance of snow. Low around 15.
Tuesday
Snow likely. High near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Mammoth Lakes CA
 37.67°N 118.89°W (Elev. 7671 ft)
1:16 pm PST Feb 18, 2026
3pm 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