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

7°F

-14°C

Humidity	77%
Wind Speed	W 3 MPH
Barometer	30.49 in (1032.51 mb)
Dewpoint	1°F (-17°C)
Visibility	10.00 mi
Last update	29 Dec 10:35 PM PST

More Information:

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

Extended Forecast for

8 Miles ENE Mammoth Lakes CA

Tonight
Low: 18 °F
Mostly Clear
Tuesday
High: 46 °F
Increasing
Clouds
Tuesday Night
Low: 25 °F
Mostly Cloudy
then Slight
Chance
Rain/Snow
Wednesday
High: 47 °F
Chance
Rain/Snow
then Rain
Likely
Wednesday Night
Low: 30 °F
Rain
New Year's Day
High: 45 °F
Rain
Thursday Night
Low: 26 °F
Chance
Rain/Snow
Friday
High: 45 °F
Chance
Rain/Snow
Friday Night
Low: 25 °F
Rain/Snow
Likely

Detailed Forecast

Tonight

Mostly clear, with a low around 18. West wind around 5 mph becoming calm after midnight.

Tuesday

Increasing clouds, with a high near 46. Calm wind becoming north around 5 mph.

Tuesday Night

A slight chance of rain and snow between 4am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 10%.

Wednesday

A slight chance of snow before 7am, then a slight chance of rain and snow between 7am and 10am, then rain likely after 10am. Snow level 7500 feet rising to 9400 feet in the afternoon. Mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain. Snow level 9600 feet. Low around 30. Calm wind. Chance of precipitation is 80%.

New Year's Day

Rain. Snow level 9100 feet lowering to 8500 feet in the afternoon . High near 45. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 90%.

Thursday Night

A chance of rain and snow before 10pm, then a chance of rain between 10pm and 1am, then a chance of rain and snow after 1am. Snow level 8100 feet. Mostly cloudy, with a low around 26. Chance of precipitation is 50%. Little or no snow accumulation expected.

Friday

A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm. Snow level 7600 feet. Partly sunny, with a high near 45.

Friday Night

Rain and snow likely, becoming all snow after 1am. Snow level 7200 feet. Mostly cloudy, with a low around 25.

Saturday

Snow likely. Mostly cloudy, with a high near 42.

Saturday Night

Snow likely. 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 41.