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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Overcast

34°F

1°C

Humidity 80%
Wind Speed WNW 21 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Wind Chill22°F (-6°C)
Last update 13 Nov 10:15 PM PST
Extended Forecast for

10 Miles SE Mammoth Lakes CA

Winter Storm Warning until November 14, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until November 14, 10:00am

    NOW until 10:00am Sat

    Winter Storm Warning

  • Tonight

    Low: 20 °F

    Chance Snow
    and Very
    Windy

  • Saturday

    Saturday: Sunny, with a high near 37. West wind around 5 mph.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 41. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after 4am. Partly cloudy, with a low around 25. Windy, with a southwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Little or no snow accumulation expected.

    Low: 25 °F

    Partly Cloudy
    and Breezy
    then Chance
    Snow and
    Windy

  • Monday

    Monday: Snow, mainly after 10am. High near 33. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow and
    Breezy

  • Monday Night

    Monday Night: Snow, mainly before 10pm. Low around 16. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 16 °F

    Snow then
    Chance Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 30 percent chance of snow before 1am. Partly cloudy, with a low around 20. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 50 mph. Total nighttime snow accumulation of 2 to 4 inches possible.
Saturday
Sunny, with a high near 37. West wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of snow after 4am. Partly cloudy, with a low around 25. Windy, with a southwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Little or no snow accumulation expected.
Monday
Snow, mainly after 10am. High near 33. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday Night
Snow, mainly before 10pm. Low around 16. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
A slight chance of snow after 4am. Mostly clear, with a low around 14.
Wednesday
Snow likely, mainly after 10am. Increasing clouds, with a high near 29. Breezy.
Wednesday Night
Snow. Cloudy, with a low around 18. Windy.
Thursday
Snow likely. Mostly cloudy, with a high near 25. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 11.
Friday
Sunny, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Mammoth Lakes CA
 37.54°N 118.83°W (Elev. 9216 ft)
Last Update:
10:30 pm PST Nov 13, 2026
Forecast Valid:
10pm PST Nov 13, 2026-6pm PST Nov 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation