Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

42°F

6°C

Humidity	24%
Wind Speed	ENE 0 MPH
Barometer	30.48 in (1032.17 mb)
Dewpoint	8°F (-13°C)
Visibility	NA
Last update	30 Dec 11:45 AM PST

More Information:

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

Extended Forecast for

Mammoth Lakes CA

This Afternoon
High: 35 °F
Mostly Cloudy
Tonight
Low: 23 °F
Mostly Cloudy
Wednesday
High: 41 °F
Wintry Mix
Wednesday Night
Low: 33 °F
Rain/Snow
New Year's Day
High: 43 °F
Rain Likely
then
Rain/Snow
Likely
Thursday Night
Low: 30 °F
Chance
Rain/Snow
Friday
High: 42 °F
Chance
Rain/Snow
then Chance
Snow
Friday Night
Low: 28 °F
Snow Likely
Saturday
High: 39 °F
Snow

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 35. Calm wind.

Tonight

Mostly cloudy, with a low around 23. Calm wind.

Wednesday

A chance of rain, snow, and freezing rain before 10am, then rain and snow. Snow level 8100 feet rising to 8700 feet in the afternoon. High near 41. Calm wind. Chance of precipitation is 80%. Little or no ice accumulation expected. Little or no snow accumulation expected.

Wednesday Night

Rain and snow. Snow level 8900 feet. Low around 33. Calm wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

New Year's Day

Rain likely before 1pm, then rain and snow likely. Snow level 8800 feet. Cloudy, with a high near 43. South wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday Night

A chance of rain and snow, mainly before 4am. Snow level 8200 feet. Mostly cloudy, with a low around 30. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday

A slight chance of rain and snow before 7am, then a chance of snow. Partly sunny, with a high near 42. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

Friday Night

Snow likely. Mostly cloudy, with a low around 28.

Saturday

Snow. Mostly cloudy, with a high near 39.

Saturday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 22.

Sunday

A chance of snow. Partly sunny, with a high near 39.

Sunday Night

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

Monday

A chance of snow. Partly sunny, with a high near 41.