National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Mostly Cloudy

16°F

-9°C

Humidity 61%
Wind Speed ESE 16 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 18 Feb 11:15 PM PST
Extended Forecast for

5 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

  • Tonight

    Tonight: Snow, mainly after 4am. Low around 4. Windy, with a southwest wind 25 to 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 4 °F

    Snow and
    Windy

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 15. Very windy, with a southwest wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 15 °F

    Heavy Snow
    and Very
    Windy

  • Thursday Night

    Thursday Night: Snow likely, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -3. Wind chill values as low as -25. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: -3 °F

    Snow Likely
    and Windy
    then Slight
    Chance Snow
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 19. Wind chill values as low as -25. Southwest wind 10 to 15 mph.

    High: 19 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 5. Southwest wind 10 to 15 mph.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 25. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 25 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 14. Breezy.

    Low: 14 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: A slight chance of snow after 10am. Mostly sunny, with a high near 28. Windy.

    High: 28 °F

    Slight Chance
    Snow and
    Windy

  • Sunday Night

    Sunday Night: A chance of snow, mainly between 10pm and 4am. Partly cloudy, with a low around 18. Windy.

    Low: 18 °F

    Chance Snow
    and Windy

Detailed Forecast

Tonight
Snow, mainly after 4am. Low around 4. Windy, with a southwest wind 25 to 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 15. Very windy, with a southwest wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow likely, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -3. Wind chill values as low as -25. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday
Mostly sunny, with a high near 19. Wind chill values as low as -25. Southwest wind 10 to 15 mph.
Friday Night
Mostly clear, with a low around 5. Southwest wind 10 to 15 mph.
Saturday
Mostly sunny, with a high near 25. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 14. Breezy.
Sunday
A slight chance of snow after 10am. Mostly sunny, with a high near 28. Windy.
Sunday Night
A chance of snow, mainly between 10pm and 4am. Partly cloudy, with a low around 18. Windy.
Monday
A chance of snow, mainly after 10am. The snow could be heavy at times. Partly sunny, with a high near 30. Windy.
Monday Night
A chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 22. Windy.
Tuesday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 29. Windy.
Tuesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 20. Windy.
Wednesday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 28. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
Last Update:
9:59 pm PST Feb 18, 2026
Forecast Valid:
11pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation