Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

-6°F

-21°C

Humidity	83%
Wind Speed	NNW 4 MPH
Barometer	30.45 in (1031.16 mb)
Dewpoint	-9°F (-23°C)
Visibility	9.00 mi
Wind Chill	-16°F (-27°C)
Last update	30 Dec 03:55 AM PST

More Information:

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

Extended Forecast for

10 Miles ENE Mammoth Lakes CA

Today
High: 45 °F
Partly Sunny
Tonight
Low: 16 °F
Mostly Cloudy
Wednesday
High: 44 °F
Rain/Snow
Likely
Wednesday Night
Low: 27 °F
Rain Likely
New Year's Day
High: 45 °F
Rain Likely
Thursday Night
Low: 23 °F
Chance Rain
then Chance
Rain/Snow
Friday
High: 45 °F
Chance
Rain/Snow
Friday Night
Low: 21 °F
Rain/Snow
Likely
Saturday
High: 43 °F
Snow Likely

Detailed Forecast

Today

Partly sunny, with a high near 45. Calm wind.

Tonight

Mostly cloudy, with a low around 16. 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 44. 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. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 60%.

New Year's Day

Rain likely, mainly before 10am. Snow level 8800 feet. Cloudy, with a high near 45. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

Thursday Night

A chance of rain before 1am, then a chance of snow. Snow level 8200 feet. Mostly cloudy, with a low around 23. Southwest wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday

A slight chance of snow before 7am, then a chance of rain and snow between 7am and 1pm, then a chance of rain after 1pm. Snow level 7600 feet. Partly sunny, with a high near 45. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday Night

A chance of rain before 7pm, then rain and snow likely. Snow level 7600 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 21.

Saturday

Snow likely. Mostly cloudy, with a high near 43.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 16.

Sunday

A chance of snow. Partly sunny, with a high near 43.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 15.

Monday

A chance of snow. Partly sunny, with a high near 45.