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	91%
Wind Speed	WSW 0 MPH
Barometer	29.99 in (1015.58 mb)
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	31 Dec 11:15 PM PST

More Information:

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

Extended Forecast for

2 Miles SSW 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: 31 °F
Rain/Snow
New Year's Day
High: 34 °F
Heavy Snow
Thursday Night
Low: 23 °F
Chance Snow
then Partly
Cloudy
Friday
High: 36 °F
Mostly Sunny
Friday Night
Low: 25 °F
Snow Likely
and Breezy
Saturday
High: 31 °F
Heavy Snow
and Breezy
Saturday Night
Low: 26 °F
Heavy Snow
and Breezy
Sunday
High: 28 °F
Heavy Snow

Detailed Forecast

Tonight

Rain and snow, becoming all snow after 1am. Low around 31. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

New Year's Day

Snow, mainly before 4pm. The snow could be heavy at times. High near 34. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Thursday Night

A 40 percent chance of snow before 10pm. Mostly cloudy, with a low around 23. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. New snow accumulation of less than a half inch possible.

Friday

Mostly sunny, with a high near 36. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

Friday Night

Snow likely, mainly after 4am. Mostly cloudy, with a low around 25. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday

Snow, mainly before 4pm, then snow showers after 4pm. The snow could be heavy at times. Some thunder is also possible. High near 31. Breezy, with a south wind 15 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Saturday Night

Snow showers before 10pm, then snow after 10pm. The snow could be heavy at times. Some thunder is also possible. Low around 26. Breezy. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

Sunday

Snow. The snow could be heavy at times. Cloudy, with a high near 28.

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 23.

Monday

Snow. The snow could be heavy at times. Mostly cloudy, with a high near 27.

Monday Night

Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 20.

Tuesday

A chance of snow. Partly sunny, with a high near 29.

Tuesday Night

A chance of snow. Mostly cloudy, with a low around 20.