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

5 Miles ESE Mammoth Lakes CA

Today
High: 35 °F
Mostly Sunny
and Breezy
then Mostly
Cloudy
Tonight
Low: 23 °F
Mostly Cloudy
Wednesday
High: 34 °F
Snow Likely
Wednesday Night
Low: 28 °F
Snow Likely
and Breezy
New Year's Day
High: 31 °F
Snow Likely
and Breezy
Thursday Night
Low: 24 °F
Chance Snow
and Breezy
Friday
High: 31 °F
Chance Snow
and Windy
Friday Night
Low: 22 °F
Heavy Snow
and Very
Windy
Saturday
High: 27 °F
Snow and Very
Windy

Detailed Forecast

Today

Partly sunny, with a high near 35. Breezy, with a southeast wind 15 to 20 mph becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

Tonight

Mostly cloudy, with a low around 23. Southwest wind around 10 mph.

Wednesday

Snow likely after 10am. Cloudy, with a high near 34. Southwest wind around 5 mph becoming northwest in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday Night

Snow likely. Cloudy, with a low around 28. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

New Year's Day

Snow likely. Cloudy, with a high near 31. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

A 40 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 24. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.

Friday

A 50 percent chance of snow, mainly after 10am. Partly sunny, with a high near 31. Windy. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 22. Very windy.

Saturday

Snow. Mostly cloudy, with a high near 27. Very windy.

Saturday Night

Snow likely, mainly before 4am. Mostly cloudy, with a low around 17. Breezy.

Sunday

Snow likely. Partly sunny, with a high near 27. Breezy.

Sunday Night

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