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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Overcast

41°F

5°C

Humidity 60%
Wind Speed W 11 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 10 Apr 09:35 PM PDT
Extended Forecast for

9 Miles SE Mammoth Lakes CA

Winter Storm Warning April 11, 02:00pm until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 16. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Windy. Snow
    Showers
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers after 2pm. Mostly sunny, with a high near 32. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 40 mph.

    High: 32 °F

    Slight Chance
    Snow Showers
    and Windy

  • Saturday Night

    Saturday Night: Snow showers, mainly after 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 14. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 9 to 13 inches possible.

    Low: 14 °F

    Heavy Snow
    and Very
    Windy

  • Sunday

    Sunday: Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 22. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    High: 22 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 9. 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 2 to 4 inches possible.

    Low: 9 °F

    Heavy Snow
    and Windy
    then Chance
    Snow Showers
    and Breezy

  • Monday

    Monday: A 50 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 27. West wind 10 to 15 mph. New snow accumulation of less than one inch possible.

    High: 27 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 11.

    Low: 11 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 16. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
A 20 percent chance of snow showers after 2pm. Mostly sunny, with a high near 32. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 40 mph.
Saturday Night
Snow showers, mainly after 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 14. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 9 to 13 inches possible.
Sunday
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 22. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Sunday Night
Snow showers likely, mainly before 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 9. 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 2 to 4 inches possible.
Monday
A 50 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 27. West wind 10 to 15 mph. New snow accumulation of less than one inch possible.
Monday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 11.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 16.
Wednesday
Sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 20. Breezy.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Mammoth Lakes CA
 37.54°N 118.89°W (Elev. 10719 ft)
Last Update:
4:31 pm PDT Apr 10, 2026
Forecast Valid:
9pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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