Upcoming Pattern Shift to Bring Heavy Mountain Snow to the West

Heavy, accumulating snow is likely today in the Cascades and Sierra Nevada. Another Bering Sea storm will bring strong winds and heavy precipitation to the Aleutians and southwest Alaska into Thursday. Light snow is expected from the Ohio Valley into the Northeast. A widespread and significant winter storm is expected to move into the Central Rockies and High Plains Thursday into Friday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

28°F

-2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 08 Dec 12:37 AM PST
Extended Forecast for

6 Miles ENE Mammoth Lakes CA

Winter Weather Advisory December 9, 01:00am until December 9, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 26. West wind around 5 mph.

    Mostly Clear

    Low: 26 °F

  • Wednesday

    Wednesday: A 30 percent chance of snow after 4pm.  Mostly sunny, with a high near 47. Breezy, with a southwest wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 40 mph.  New snow accumulation of less than a half inch possible.

    Breezy. Sunny
    then Chance
    Snow

    High: 47 °F

  • Wednesday
    Night

    Wednesday Night: Snow, mainly after 7pm.  Low around 28. West wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Snow

    Low: 28 °F

  • Thursday

    Thursday: Snow.  High near 35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Snow

    High: 35 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 11. West wind around 5 mph.

    Partly Cloudy

    Low: 11 °F

  • Friday

    Friday: Sunny, with a high near 34. Calm wind becoming northeast around 5 mph in the afternoon.

    Sunny

    High: 34 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 13.

    Mostly Clear

    Low: 13 °F

  • Saturday

    Saturday: Sunny, with a high near 41.

    Sunny

    High: 41 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 22.

    Mostly Clear

    Low: 22 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 26. West wind around 5 mph.
Wednesday
A 30 percent chance of snow after 4pm. Mostly sunny, with a high near 47. Breezy, with a southwest wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 40 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow, mainly after 7pm. Low around 28. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. High near 35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Partly cloudy, with a low around 11. West wind around 5 mph.
Friday
Sunny, with a high near 34. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 13.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 22.
Sunday
A slight chance of snow after 4pm. Mostly sunny, with a high near 40.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Monday
Snow likely. Mostly cloudy, with a high near 35.
Monday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 21.
Tuesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 31.
Click Map For Forecast
Point Forecast:
6 Miles ENE Mammoth Lakes CA
 37.67°N 118.89°W (Elev. 7671 ft)
7:38 pm PST Dec 7, 2021
1am PST Dec 8, 2021-6pm PST Dec 14, 2021
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database