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

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Clear

3°F

-16°C

Humidity	84%
Wind Speed	N 0 MPH
Barometer	30.44 in (1030.82 mb)
Dewpoint	0°F (-18°C)
Visibility	10.00 mi
Last update	30 Dec 07:55 AM PST

More Information:

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

Extended Forecast for

8 Miles ENE Mammoth Lakes CA

Today
High: 45 °F
Partly Sunny
Tonight
Low: 21 °F
Mostly Cloudy
Wednesday
High: 45 °F
Rain/Snow
Likely
Wednesday Night
Low: 30 °F
Rain Likely
New Year's Day
High: 45 °F
Rain Likely
Thursday Night
Low: 26 °F
Chance Rain
then Chance
Rain/Snow
Friday
High: 45 °F
Rain/Snow
Likely
Friday Night
Low: 24 °F
Rain/Snow
Likely
Saturday
High: 42 °F
Snow

Detailed Forecast

Today

Partly sunny, with a high near 45. Calm wind becoming east around 5 mph.

Tonight

Mostly cloudy, with a low around 21. Calm wind.

Wednesday

Snow likely, possibly mixed with rain, mainly after 10am. Snow level rising to 7700 feet in the afternoon. Cloudy, with a high near 45. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain likely, mainly after 10pm. Snow level 8600 feet rising to 9400 feet after midnight. Cloudy, with a low around 30. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.

New Year's Day

Rain likely. Snow level 8800 feet. Cloudy, with a high near 45. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%.

Thursday Night

A chance of rain before 4am, then a slight chance of rain and snow. Snow level 8200 feet. Mostly cloudy, with a low around 26. Southwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday

A chance of rain and snow before 1pm, then rain likely. Snow level 7600 feet. Partly sunny, with a high near 45. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday Night

Rain likely before 7pm, then rain and snow likely. Snow level 7600 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 24.

Saturday

Snow. Mostly cloudy, with a high near 42.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 19.

Sunday

A chance of snow. Partly sunny, with a high near 42.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 17.

Monday

A chance of snow. Partly sunny, with a high near 44.