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 Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112ft.

Clear

27°F

-3°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Last update	08 Dec 02:17 AM PST

More Information:

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

Extended Forecast for

4 Miles ESE 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: 19 °F
Wednesday

Mostly Sunny
High: 51 °F
Wednesday
Night

Chance Snow
then Snow
Low: 20 °F
Thursday

Snow then
Snow Likely
High: 39 °F
Thursday
Night

Slight Chance
Snow then
Mostly Clear
Low: 6 °F
Friday

Sunny
High: 40 °F
Friday
Night

Mostly Clear
Low: 11 °F
Saturday

Sunny
High: 45 °F
Saturday
Night

Mostly Clear
Low: 16 °F

Detailed Forecast

Overnight

Partly cloudy, with a low around 19. Southwest wind around 5 mph.

Wednesday

Mostly sunny, with a high near 51. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Wednesday Night

Snow, mainly after 10pm. Low around 20. Southwest wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Thursday

Snow, mainly before 4pm. High near 39. Northwest wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 6. West wind around 5 mph becoming calm.

Friday

Sunny, with a high near 40. West wind around 5 mph becoming southeast in the afternoon.

Friday Night

Mostly clear, with a low around 11.

Saturday

Sunny, with a high near 45.

Saturday Night

Mostly clear, with a low around 16.

Sunday

A slight chance of snow after 10am. Mostly sunny, with a high near 43.