Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

31°F

-1°C

Humidity	83%
Wind Speed	NE 0 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	31 Dec 06:00 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mammoth Lakes CA

Winter Storm Watch January 2, 04:00pm until January 4, 10:00am

Winter Weather Advisory until January 1, 12:00pm

Click here for hazard details and duration

Winter Storm Watch

Winter Weather Advisory

Winter Weather Advisory until January 1, 12:00pm
NOW until 12:00pm Thu
Winter Weather Advisory
Tonight
Low: 34 °F
Rain/Snow
New Year's Day
High: 41 °F
Rain/Snow
Thursday Night
Low: 26 °F
Chance Snow
then Partly
Cloudy
Friday
High: 45 °F
Mostly Sunny
Friday Night
Low: 29 °F
Chance Snow
then Snow
Likely
Saturday
High: 41 °F
Snow
Saturday Night
Low: 28 °F
Snow
Sunday
High: 38 °F
Heavy Snow

Detailed Forecast

Tonight

Rain and snow. Snow level 9300 feet lowering to 8800 feet after midnight . Low around 34. Calm wind becoming north around 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

New Year's Day

Rain and snow, becoming all snow after 1pm. Snow level 8600 feet lowering to 7900 feet in the afternoon . High near 41. East wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday Night

A 40 percent chance of snow before 10pm. Partly cloudy, with a low around 26. Southwest wind 5 to 10 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.

Friday

Mostly sunny, with a high near 45. South wind around 5 mph, with gusts as high as 20 mph.

Friday Night

Snow likely, mainly after 4am. Mostly cloudy, with a low around 29. Southwest wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

Snow. High near 41. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

Snow. Low around 28. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Sunday

Snow. The snow could be heavy at times. Cloudy, with a high near 38.

Sunday Night

Snow before 10pm, then snow showers after 10pm. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy, with a low around 24.

Monday

Snow. The snow could be heavy at times. Mostly cloudy, with a high near 37.

Monday Night

Snow likely. Mostly cloudy, with a low around 22.

Tuesday

A chance of snow. Partly sunny, with a high near 38.