Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

unknown precip

30°F

-1°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 28°F (-2°C)
Visibility 8.00 mi
Last update 12 Apr 06:15 PM PDT
Extended Forecast for

7 Miles ESE Mammoth Lakes CA

Winter Storm Warning April 12, 06:34pm until April 12, 11:00pm
Click here for hazard details and duration
...
  •  
    Winter Storm Warning April 12, 06:34pm until April 12, 11:00pm

    NOW until 11:00pm Sun

    Winter Storm Warning

  • Tonight

    Low: 15 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Snow showers likely, mainly after 2pm. Some thunder is also possible.  Partly sunny, with a high near 41. Light and variable wind becoming west 5 to 10 mph in the afternoon.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 41 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. West wind 5 to 10 mph becoming light  in the evening.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. West wind 5 to 10 mph becoming light southwest  in the evening.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Light southwest wind increasing to 10 to 15 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow showers after 11am.  Mostly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Tonight
A 50 percent chance of snow showers before 11pm. Partly cloudy, with a low around 15. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Total nighttime snow accumulation of less than a half inch possible.
Monday
Snow showers likely, mainly after 2pm. Some thunder is also possible. Partly sunny, with a high near 41. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 16. West wind 5 to 10 mph becoming light in the evening.
Tuesday
Sunny, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 22. West wind 5 to 10 mph becoming light southwest in the evening.
Wednesday
Mostly sunny, with a high near 53. Light southwest wind increasing to 10 to 15 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
A slight chance of snow showers after 11am. Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 16.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 21.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Mammoth Lakes CA
 37.63°N 118.85°W (Elev. 7152 ft)
4:30 pm PDT Apr 12, 2026
6pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database