Powerful Pacific Storm to Continue Impacting Northern California; Heavy Snow in the Appalachians and Portions of the Northeast

A strong atmospheric river will continue to impact northern California with heavy rain and life-threatening flooding through Friday. Unsettled weather is expected across much of the Northeast and Great Lakes over the next few days, including the likelihood of heavy snow in the central Appalachians and higher elevations of northeastern Pennsylvania and southern New York. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from November 22, 04:00 PM PST until November 23, 10:00 PM PST

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

30°F

-1°C

Humidity	46%
Wind Speed	WSW 11 MPH
Barometer	30.2 in (1022.69 mb)
Dewpoint	12°F (-11°C)
Visibility	10.00 mi
Wind Chill	21°F (-6°C)
Last update	22 Nov 12:15 AM PST

More Information:

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

Extended Forecast for

4 Miles E Mammoth Lakes CA

Winter Storm Warning November 22, 04:00pm until November 23, 10:00pm

Click here for hazard details and duration

Winter Storm Warning

Overnight
Low: 33 °F
Partly Cloudy
Friday
High: 55 °F
Sunny and
Windy
Friday Night
Low: 31 °F
Windy. Snow
Likely then
Rain/Snow
Saturday
High: 41 °F
Rain/Snow and
Breezy
Saturday Night
Low: 19 °F
Snow Likely
Sunday
High: 38 °F
Chance Snow
Sunday Night
Low: 21 °F
Chance Snow
Monday
High: 40 °F
Snow Likely
Monday Night
Low: 22 °F
Snow Likely

Detailed Forecast

Overnight

Partly cloudy, with a low around 33. North wind around 15 mph becoming northwest.

Friday

Sunny, with a high near 55. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 50 mph.

Friday Night

Snow likely between 10pm and 1am, then rain and snow. Low around 31. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday

Rain and snow. Snow level 7800 feet. High near 41. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 19. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Sunday

A 40 percent chance of snow. Partly sunny, with a high near 38. Southwest wind 5 to 10 mph. New snow accumulation of less than a half inch possible.

Sunday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 21. New snow accumulation of 1 to 2 inches possible.

Monday

Snow likely, mainly after 10am. Mostly cloudy, with a high near 40.

Monday Night

Snow likely. Mostly cloudy, with a low around 22.

Tuesday

Snow. Mostly cloudy, with a high near 39.

Tuesday Night

Snow likely. Mostly cloudy, with a low around 17.