Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until April 22, 05:00 PM PDT

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

light snow,mist

28°F

-2°C

Humidity	92%
Wind Speed	N 0 MPH
Barometer	30.01 in (1016.26 mb)
Dewpoint	27°F (-3°C)
Visibility	1.25 mi
Last update	21 Apr 10:55 PM PDT

More Information:

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

Extended Forecast for

10 Miles ESE Mammoth Lakes CA

Winter Weather Advisory April 21, 11:05pm until April 22, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory April 21, 11:05pm until April 22, 05:00pm
NOW until 5:00pm Wed
Winter Weather Advisory
Tonight
Low: 20 °F
Chance Snow
Showers
Wednesday
High: 46 °F
Sunny
Wednesday Night
Low: 21 °F
Mostly Clear
Thursday
High: 57 °F
Sunny
Thursday Night
Low: 28 °F
Partly Cloudy
Friday
High: 57 °F
Partly Sunny
Friday Night
Low: 29 °F
Partly Cloudy
Saturday
High: 52 °F
Chance
Showers

Detailed Forecast

Tonight

A 50 percent chance of snow showers before 2am. Partly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of 1 to 3 inches possible.

Wednesday

Sunny, with a high near 46. West wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 21. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

Thursday

Sunny, with a high near 57. Calm wind becoming north around 5 mph.

Thursday Night

Partly cloudy, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.

Friday

Partly sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 29.

Saturday

A chance of showers after 11am. Snow level 7600 feet. Partly sunny, with a high near 52.

Saturday Night

A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 2am, then a slight chance of snow showers after 2am. Snow level 7800 feet lowering to 6900 feet after midnight . Mostly cloudy, with a low around 25.

Sunday

A chance of rain and snow showers after 11am. Snow level rising to 7400 feet in the afternoon. Partly sunny, with a high near 51.

Sunday Night

A slight chance of rain and snow showers. Snow level 7700 feet lowering to 6900 feet after midnight . Partly cloudy, with a low around 25.

Monday

A slight chance of rain and snow showers. Partly sunny, with a high near 53.

Monday Night

A slight chance of rain and snow showers. Snow level 7900 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 27.

Tuesday

A chance of rain and snow showers. Snow level rising to 7600 feet in the afternoon. Partly sunny, with a high near 53.