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

3°F

-16°C

Humidity	91%
Wind Speed	WNW 3 MPH
Barometer	30.46 in (1031.49 mb)
Dewpoint	1°F (-17°C)
Visibility	10.00 mi
Last update	30 Dec 12:15 AM PST

More Information:

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

Extended Forecast for

10 Miles SE Mammoth Lakes CA

Overnight
Low: 22 °F
Mostly Clear
Tuesday
High: 38 °F
Increasing
Clouds
Tuesday Night
Low: 29 °F
Mostly Cloudy
then Slight
Chance Snow
Wednesday
High: 37 °F
Rain/Snow
Likely
Wednesday Night
Low: 31 °F
Rain/Snow
New Year's Day
High: 34 °F
Snow
Thursday Night
Low: 26 °F
Chance Snow
Friday
High: 33 °F
Chance Snow
Friday Night
Low: 25 °F
Snow Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 22. Southeast wind 10 to 15 mph.

Tuesday

Increasing clouds, with a high near 38. South wind 5 to 10 mph.

Tuesday Night

A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 29. Southwest wind around 5 mph.

Wednesday

A slight chance of snow before 10am, then rain and snow likely. Snow level 9400 feet. Mostly cloudy, with a high near 37. Southwest wind around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow. Snow level 9700 feet. Low around 31. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

New Year's Day

Snow. High near 34. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 26. Little or no snow accumulation expected.

Friday

A chance of snow. Partly sunny, with a high near 33.

Friday Night

Snow likely, mainly after 10pm. Mostly cloudy, with a low around 25.

Saturday

Snow. Mostly cloudy, with a high near 30. Breezy.

Saturday Night

Snow likely. Mostly cloudy, with a low around 20.