Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

haze

16°F

-9°C

Humidity	78%
Wind Speed	N 0 MPH
Barometer	30.46 in (1031.49 mb)
Dewpoint	10°F (-12°C)
Visibility	5.00 mi
Last update	29 Dec 12:55 PM PST

More Information:

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

Extended Forecast for

12 Miles ENE Mammoth Lakes CA

This Afternoon
High: 42 °F
Sunny
Tonight
Low: 16 °F
Mostly Clear
Tuesday
High: 45 °F
Mostly Sunny
Tuesday Night
Low: 23 °F
Mostly Cloudy
then Slight
Chance Snow
Wednesday
High: 47 °F
Chance
Rain/Snow
then Rain
Likely
Wednesday Night
Low: 28 °F
Rain
New Year's Day
High: 45 °F
Rain
Thursday Night
Low: 24 °F
Chance Rain
Friday
High: 46 °F
Chance
Rain/Snow

Detailed Forecast

This Afternoon

Sunny, with a high near 42. East wind around 5 mph.

Tonight

Mostly clear, with a low around 16. Calm wind.

Tuesday

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

Tuesday Night

A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 23. Calm wind.

Wednesday

A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and 10am, then rain likely after 10am. Snow level 7400 feet rising to 9300 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 9500 feet. Low around 28. 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. Chance of precipitation is 90%.

Thursday Night

A chance of rain before 4am. Snow level 8100 feet. Mostly cloudy, with a low around 24.

Friday

A 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 46.

Friday Night

A chance of rain before 7pm, then rain and snow likely. Snow level 7500 feet lowering to 7000 feet after midnight . Mostly cloudy, with a low around 23.

Saturday

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

Saturday Night

Snow likely. Mostly cloudy, with a low around 18.

Sunday

A chance of snow. Mostly cloudy, with a high near 43.