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

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

26°F

-3°C

Humidity 92%
Wind Speed SSE 0 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 24°F (-4°C)
Visibility NA
Last update 12 Apr 03:30 AM PDT
Extended Forecast for

5 Miles SSE Mammoth Lakes CA

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

    NOW until 11:00pm Sun

    Winter Storm Warning

  • Overnight

    Low: 10 °F

    Heavy Snow
    and Very
    Windy

  • Sunday

    Sunday: Snow showers, mainly before 8am. The snow could be heavy at times. Some thunder is also possible.  High near 19. Very windy, with a southwest wind 35 to 40 mph decreasing to 30 to 35 mph in the morning. Winds could gust as high as 60 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 19 °F

    Heavy Snow
    and Very
    Windy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow showers, mainly before 11pm. The snow could be heavy at times.  Partly cloudy, with a low around 5. Windy, with a southwest wind 25 to 30 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph.  New snow accumulation of 2 to 4 inches possible.

    Low: 5 °F

    Heavy Snow
    and Windy

  • Monday

    Monday: Snow showers likely, mainly after 11am. Some thunder is also possible.  Partly sunny, with a high near 24. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 24 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10. Southwest wind 10 to 15 mph.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 30. Southwest wind around 10 mph.

    High: 30 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. Breezy.

    High: 32 °F

    Sunny then
    Mostly Sunny
    and Breezy

Detailed Forecast

Overnight
Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 10. Very windy, with a southwest wind around 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 12 to 18 inches possible.
Sunday
Snow showers, mainly before 8am. The snow could be heavy at times. Some thunder is also possible. High near 19. Very windy, with a southwest wind 35 to 40 mph decreasing to 30 to 35 mph in the morning. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Sunday Night
A 50 percent chance of snow showers, mainly before 11pm. The snow could be heavy at times. Partly cloudy, with a low around 5. Windy, with a southwest wind 25 to 30 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. New snow accumulation of 2 to 4 inches possible.
Monday
Snow showers likely, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 24. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Partly cloudy, with a low around 10. Southwest wind 10 to 15 mph.
Tuesday
Sunny, with a high near 30. Southwest wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 32. Breezy.
Wednesday Night
Mostly cloudy, with a low around 18. Breezy.
Thursday
A slight chance of snow showers after 11am. Mostly sunny, with a high near 29. Breezy.
Thursday Night
Partly cloudy, with a low around 9. Breezy.
Friday
Sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 15.
Saturday
Sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Mammoth Lakes CA
 37.57°N 118.95°W (Elev. 11601 ft)
11:31 pm PDT Apr 11, 2026
3am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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