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

Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Mostly Cloudy

32°F

0°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Nov 09:55 AM PST
Extended Forecast for

9 Miles E Mammoth Lakes CA

Winter Weather Advisory November 20, 10:41am until November 21, 08:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory November 20, 10:41am until November 21, 08:00am

    NOW until 8:00am Fri

    Winter Weather Advisory

  • Today

    High: 37 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 10pm. Low around 20. West wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 20 °F

    Snow then
    Chance Snow

  • Friday

    Friday: A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 36. Northeast wind 5 to 10 mph.

    High: 36 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. North wind around 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 41. Northeast wind around 5 mph.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19. West wind around 5 mph.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Today
Snow. High near 37. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow, mainly before 10pm. Low around 20. West wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday
A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 36. Northeast wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 18. North wind around 5 mph.
Saturday
Sunny, with a high near 41. Northeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 19. West wind around 5 mph.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 25.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E Mammoth Lakes CA
 37.64°N 118.82°W (Elev. 7198 ft)
Last Update:
9:16 am PST Nov 20, 2025
Forecast Valid:
10am PST Nov 20, 2025-6pm PST Nov 26, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation