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 portions of the central and southern High Plains. Read More >

Hazardous Weather Conditions

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

Current conditions at

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

28°F

-2°C

Humidity	92%
Wind Speed	WNW 0 MPH
Barometer	29.72 in (1006.44 mb)
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	21 Apr 02:15 PM PDT

More Information:

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

Extended Forecast for

Mammoth Lakes CA

Winter Weather Advisory April 21, 02:31pm until April 22, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory April 21, 02:31pm until April 22, 05:00pm
NOW until 5:00pm Wed
Winter Weather Advisory
This Afternoon
High: 36 °F
Heavy Snow
and Breezy
Tonight
Low: 18 °F
Heavy Snow
and Windy
then Heavy
Snow and
Breezy
Wednesday
High: 33 °F
Chance Snow
Showers
Wednesday Night
Low: 18 °F
Mostly Clear
Thursday
High: 42 °F
Sunny
Thursday Night
Low: 26 °F
Partly Cloudy
Friday
High: 43 °F
Mostly Sunny
Friday Night
Low: 28 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 36. Breezy, with a southwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 7 to 11 inches possible.

Tonight

Snow showers, mainly before 2am. The snow could be heavy at times. Some thunder is also possible. Low around 18. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 12 to 18 inches possible.

Wednesday

A chance of snow showers before 8am, then a slight chance of snow showers after 11am. Mostly sunny, with a high near 33. Southwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

Wednesday Night

Mostly clear, with a low around 18. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

Thursday

Sunny, with a high near 42. Calm wind becoming west around 5 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 26. West wind around 5 mph, with gusts as high as 20 mph.

Friday

Mostly sunny, with a high near 43.

Friday Night

Mostly cloudy, with a low around 28.

Saturday

A chance of snow showers after 11am. Some thunder is also possible. Partly sunny, with a high near 38.