Upcoming Pattern Shift to Bring Heavy Mountain Snow to the West

Heavy, accumulating snow is likely today in the Cascades and Sierra Nevada. Another Bering Sea storm will bring strong winds and heavy precipitation to the Aleutians and southwest Alaska into Thursday. Light snow is expected from the Ohio Valley into the Northeast. A widespread and significant winter storm is expected to move into the Central Rockies and High Plains Thursday into Friday. Read More >

Hazardous Weather Conditions

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Current conditions at

Mammoth Base (Main Lodge) (MTH04)

Lat: 37.650547°NLon: 119.037654°WElev: 8915ft.

31°F

-1°C

Humidity	69%
Wind Speed	SSW 17 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	20°F (-7°C)
Last update	08 Dec 01:57 AM PST

More Information:

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

Extended Forecast for

3 Miles WNW Mammoth Lakes CA

Winter Weather Advisory December 9, 01:00am until December 9, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight

Partly Cloudy
Low: 25 °F
Wednesday

Mostly Sunny
then Mostly
Sunny and
Breezy
High: 39 °F
Wednesday
Night

Chance Snow
then Heavy
Snow
Low: 25 °F
Thursday

Heavy Snow
then Snow
Likely
High: 28 °F
Thursday
Night

Slight Chance
Snow then
Mostly Clear
Low: 11 °F
Friday

Sunny
High: 30 °F
Friday
Night

Mostly Clear
Low: 16 °F
Saturday

Sunny
High: 34 °F
Saturday
Night

Mostly Clear
Low: 21 °F

Detailed Forecast

Overnight

Partly cloudy, with a low around 25. Southwest wind around 10 mph, with gusts as high as 20 mph.

Wednesday

Mostly sunny, with a high near 39. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

Wednesday Night

Snow, mainly after 10pm. The snow could be heavy at times. Low around 25. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Thursday

Snow, mainly before 4pm. The snow could be heavy at times. High near 28. West wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 11. West wind around 5 mph.

Friday

Sunny, with a high near 30. South wind around 5 mph.

Friday Night

Mostly clear, with a low around 16.

Saturday

Sunny, with a high near 34.

Saturday Night

Mostly clear, with a low around 21.

Sunday

A slight chance of snow after 10am. Mostly sunny, with a high near 32.