National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Cold System Impacting California into Southwest/Four Corners; System Tracking From Mississippi Valley Into East, Possible Prelude To Much Stronger System

A storm digging through CA into the Southwest and Four Corners region will produce heavy mountain snow and showers. Further east, another storm will track from the Mid MS Valley to the Mid-Atlantic for a swath of snow and ice w/ locally heavy rain through Monday. By Tuesday, a stronger storm w/ a wealth of moisture will impact the eastern two-thirds w/ excessive rain, heavy snow and ice. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112ft.

Partly Cloudy

12°F

-11°C

Humidity 55%
Wind Speed ENE 7 MPH
Barometer 29.79 in
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 17 Feb 5:15 am PST
Extended Forecast for

7 Miles ESE Mammoth Lakes CA

Winter Storm Warning until February 17, 07:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until February 17, 07:00pm

    NOW until
    7:00pm Sun

    Winter Storm Warning

  • Today

    Today: Snow, mainly before 4pm, then snow showers likely after 4pm. High near 25. Southwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

    Snow

    High: 25 °F

  • Tonight

    Tonight: Snow showers likely before 10pm, then a slight chance of snow after 10pm. Mostly cloudy, with a low around 2. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Showers
    Likely then
    Slight Chance
    Snow

    Low: 2 °F

  • Washington's
    Birthday

    Washington's Birthday: A 20 percent chance of snow. Mostly sunny, with a high near 25. North wind around 10 mph.

    Slight Chance
    Snow

    High: 25 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around -3. North wind 5 to 10 mph.

    Mostly Clear

    Low: -3 °F

  • Tuesday

    Tuesday: Sunny, with a high near 30. Southwest wind around 5 mph becoming north in the morning.

    Sunny

    High: 30 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 2.

    Partly Cloudy

    Low: 2 °F

  • Wednesday

    Wednesday: Snow showers likely, mainly after 4pm. Partly sunny, with a high near 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Chance Snow
    Showers then
    Snow Showers
    Likely

    High: 29 °F

  • Wednesday
    Night

    Wednesday Night: Snow showers. Mostly cloudy, with a low around 10.

    Snow Showers

    Low: 10 °F

Detailed Forecast

Today
Snow, mainly before 4pm, then snow showers likely after 4pm. High near 25. Southwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow showers likely before 10pm, then a slight chance of snow after 10pm. Mostly cloudy, with a low around 2. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Washington's Birthday
A 20 percent chance of snow. Mostly sunny, with a high near 25. North wind around 10 mph.
Monday Night
Mostly clear, with a low around -3. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 30. Southwest wind around 5 mph becoming north in the morning.
Tuesday Night
Partly cloudy, with a low around 2.
Wednesday
Snow showers likely, mainly after 4pm. Partly sunny, with a high near 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers. Mostly cloudy, with a low around 10.
Thursday
Snow showers likely. Mostly cloudy, with a high near 19.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around -7.
Friday
A slight chance of snow showers. Mostly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 1.
Saturday
A slight chance of snow. Mostly sunny, with a high near 30.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
7 Miles ESE Mammoth Lakes CA
 37.61°N 118.85°W (Elev. 7372 ft)
Last Update:
5:41 am PST Feb 17, 2019
Forecast Valid:
6am PST Feb 17, 2019-6pm PST Feb 23, 2019
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation