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 >

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 WSW 12 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Apr 10:35 PM PDT
Extended Forecast for

8 Miles ENE 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 25. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A slight chance of rain showers after 2pm, mixing with snow after 5pm.  Sunny, with a high near 53. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    High: 53 °F

    Sunny then
    Slight Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 8pm, then snow showers likely.  Increasing clouds, with a low around 23. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Rain/Snow
    Likely and
    Breezy then
    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers. Some thunder is also possible.  High near 41. Southwest wind 10 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: 41 °F

    Snow Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of snow showers, mainly before 11pm.  Mostly cloudy, with a low around 17. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.  New snow accumulation of less than one inch possible.

    Low: 17 °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 44. Calm wind becoming west around 5 mph in the afternoon.  Little or no snow accumulation expected.

    High: 44 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °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 25. West 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 showers after 2pm, mixing with snow after 5pm. Sunny, with a high near 53. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain and snow showers before 8pm, then snow showers likely. Increasing clouds, with a low around 23. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow showers. Some thunder is also possible. High near 41. Southwest wind 10 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 17. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph 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 44. Calm wind becoming west around 5 mph in the afternoon. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 23.
Friday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Mammoth Lakes CA
 37.68°N 118.83°W (Elev. 7047 ft)
4:31 pm PDT Apr 10, 2026
10pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
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Additional Resources

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