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

4 Miles E Mammoth Lakes CA

Today
High: 45 °F
Partly Sunny
Tonight
Low: 23 °F
Mostly Cloudy
Wednesday
High: 44 °F
Snow Likely
then
Rain/Snow
Likely
Wednesday Night
Low: 31 °F
Rain Likely
New Year's Day
High: 43 °F
Rain Likely
Thursday Night
Low: 28 °F
Chance
Rain/Snow
Friday
High: 44 °F
Rain/Snow
Likely
Friday Night
Low: 26 °F
Rain/Snow
Likely then
Snow Likely
Saturday
High: 40 °F
Snow

Detailed Forecast

Today

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

Tonight

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

Wednesday

Snow likely after 10am, mixing with rain after 1pm. Snow level rising to 8100 feet in the afternoon. Cloudy, with a high near 44. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain likely. Snow level 8900 feet rising to 9400 feet after midnight. Cloudy, with a low around 31. 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 43. South wind 5 to 10 mph. Chance of precipitation is 60%.

Thursday Night

A chance of rain and snow, mainly before 4am. Snow level 8200 feet. Mostly cloudy, with a low around 28. Southwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday

Rain likely, possibly mixed with snow, mainly after 4pm. Snow level 7600 feet. Partly sunny, with a high near 44. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday Night

Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 26.

Saturday

Snow, mainly before 4pm. Mostly cloudy, with a high near 40.

Saturday Night

Snow likely, mainly after 10pm. Mostly cloudy, with a low around 20.

Sunday

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

Sunday Night

A chance of snow. Mostly cloudy, with a low around 18.

Monday

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