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Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

28°F

-2°C

Humidity 58%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 20 Apr 04:55 AM PDT
Extended Forecast for

8 Miles ESE Mammoth Lakes CA

Winter Storm Watch April 21, 05:00am until April 22, 05:00pm
Lake Wind Advisory April 20, 11:00am until April 20, 10:00pm
Click here for hazard details and duration
Winter Storm Watch
Lake Wind Advisory

  • Today

    Today: Mostly sunny, with a high near 62. North wind 5 to 10 mph becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow showers after 5am. Snow level 8200 feet lowering to 7600 feet after midnight . Partly cloudy, with a low around 31. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Little or no snow accumulation expected.

    Low: 31 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of rain and snow showers before 8am, then rain showers between 8am and 2pm, then rain and snow showers after 2pm. Some thunder is also possible. Snow level 7600 feet rising to 8200 feet. High near 53. Breezy, with an east wind 5 to 10 mph becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 53 °F

    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 11pm. Some thunder is also possible. Low around 20. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow Showers
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 48. West wind 5 to 10 mph.

    High: 48 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. North wind 5 to 10 mph becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph.
Tonight
A 30 percent chance of snow showers after 5am. Snow level 8200 feet lowering to 7600 feet after midnight . Partly cloudy, with a low around 31. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow showers before 8am, then rain showers between 8am and 2pm, then rain and snow showers after 2pm. Some thunder is also possible. Snow level 7600 feet rising to 8200 feet. High near 53. Breezy, with an east wind 5 to 10 mph becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers, mainly before 11pm. Some thunder is also possible. Low around 20. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 48. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 20. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A slight chance of showers. Snow level rising to 7800 feet in the afternoon. Mostly sunny, with a high near 56.
Saturday Night
A slight chance of showers. Snow level 8100 feet lowering to 7300 feet after midnight . Partly cloudy, with a low around 27.
Sunday
A slight chance of rain and snow showers. Snow level rising to 7700 feet in the afternoon. Mostly sunny, with a high near 53.
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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:
4:30 am PDT Apr 20, 2026
Forecast Valid:
5am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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