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

Strong Storm for the West and Southwest; Heavy Snow for the Northern Plains and Upper Midwest

A strong storm will move ashore across California today accompanied by strong winds, heavy rain and heavy snow for the higher terrain. Flooding will be of great concern for Southern California into portions of Arizona through Wednesday. Several feet of snow is expected across central and southern California Mountains into the central Great Basin. Snow will impact the northern Plains into tonight. Read More >

Hazardous Weather Conditions

Current conditions at

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973ft.

NA

25°F

-4°C

Humidity 88%
Wind Speed NA 0 MPH
Barometer 29.49 in (998.65 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Last update 21 Mar 10:45 AM PDT
Extended Forecast for

2 Miles SE Mammoth Lakes CA

Winter Storm Warning until March 22, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until March 22, 05:00am

    NOW until
    5:00am Wed

    Winter Storm Warning

  • Today

    Today: Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 33. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 10 to 14 inches possible.

    Heavy Snow
    and Windy

    High: 33 °F

  • Tonight

    Tonight: Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 19. Breezy, with a southwest wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Breezy. Heavy
    Snow then
    Chance Snow
    Showers

    Low: 19 °F

  • Wednesday

    Wednesday: Snow showers likely. Mostly cloudy, with a high near 32. Breezy, with a south wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Snow Showers
    Likely and
    Breezy

    High: 32 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 17. Southwest wind 10 to 15 mph. Little or no snow accumulation expected.

    Chance Snow
    Showers then
    Mostly Cloudy

    Low: 17 °F

  • Thursday

    Thursday: A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 33. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Slight Chance
    Snow Showers
    and Breezy

    High: 33 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 15. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.

    Partly Cloudy
    and Breezy

    Low: 15 °F

  • Friday

    Friday: Mostly sunny, with a high near 33. Breezy.

    Mostly Sunny
    and Breezy
    then Sunny

    High: 33 °F

  • Friday
    Night

    Friday Night: A slight chance of snow showers before 11pm. Partly cloudy, with a low around 12.

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

    Low: 12 °F

Detailed Forecast

Today
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 33. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 10 to 14 inches possible.
Tonight
Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 19. Breezy, with a southwest wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 32. Breezy, with a south wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 30 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 17. Southwest wind 10 to 15 mph. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 33. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 15. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.
Friday
Mostly sunny, with a high near 33. Breezy.
Friday Night
A slight chance of snow showers before 11pm. Partly cloudy, with a low around 12.
Saturday
A chance of snow showers after 11am. Partly sunny, with a high near 27.
Saturday Night
A chance of snow showers before 11pm. Partly cloudy, with a low around 7.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 27.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 11.
Monday
A chance of snow showers. Partly sunny, with a high near 30.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles SE Mammoth Lakes CA
 37.62°N 118.94°W (Elev. 7933 ft)
Last Update:
4:33 am PDT Mar 21, 2023
Forecast Valid:
11am PDT Mar 21, 2023-6pm PDT Mar 27, 2023
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation