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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

39°F

4°C

Humidity 69%
Wind Speed W 12 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Apr 10:15 PM PDT
Extended Forecast for

8 Miles ESE 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: A chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and 2am. Partly cloudy, with a low around 23. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A slight chance of rain and snow showers after 2pm. Mostly sunny, with a high near 53. Southwest wind 5 to 10 mph becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 53 °F

    Sunny then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 11pm. Increasing clouds, with a low around 21. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers. Some thunder is also possible. High near 40. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 40 °F

    Snow Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 15. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 25 mph. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Monday

    Monday: A 40 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 43. Calm wind becoming west around 5 mph in the afternoon. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and 2am. Partly cloudy, with a low around 23. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A slight chance of rain and snow showers after 2pm. Mostly sunny, with a high near 53. Southwest wind 5 to 10 mph becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
Snow showers likely, mainly after 11pm. Increasing clouds, with a low around 21. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow showers. Some thunder is also possible. High near 40. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 15. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 25 mph. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 43. Calm wind becoming west around 5 mph in the afternoon. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Mammoth Lakes CA
 37.61°N 118.82°W (Elev. 7201 ft)
Last Update:
4:31 pm PDT Apr 10, 2026
Forecast Valid:
10pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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