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

Top Stn/Summit - 11,053ft (MTH03)

Lat: 37.63059°NLon: 119.03282°WElev: 11034.0ft.

17°F

-8°C

Humidity	92%
Wind Speed	SSW 41 MPH
Barometer	NA
Dewpoint	15°F (-9°C)
Visibility	NA
Wind Chill	-5°F (-21°C)
Last update	21 Apr 04:20 PM PDT

More Information:

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

Extended Forecast for

2 Miles W Mammoth Lakes CA

Winter Weather Advisory April 21, 04:34pm until April 22, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory April 21, 04:34pm until April 22, 05:00pm
NOW until 5:00pm Wed
Winter Weather Advisory
This Afternoon
High: 33 °F
Heavy Snow
and Windy
Tonight
Low: 15 °F
Heavy Snow
and Windy
Wednesday
High: 28 °F
Chance Snow
Showers and
Windy
Wednesday Night
Low: 16 °F
Mostly Clear
Thursday
High: 39 °F
Sunny
Thursday Night
Low: 24 °F
Partly Cloudy
Friday
High: 38 °F
Mostly Sunny
Friday Night
Low: 26 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 33. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 9 to 13 inches possible.

Tonight

Snow showers, mainly before 2am. The snow could be heavy at times. Some thunder is also possible. Low around 15. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 13 to 19 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 28. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

Wednesday Night

Mostly clear, with a low around 16. Southwest wind around 10 mph.

Thursday

Sunny, with a high near 39. West wind 5 to 10 mph.

Thursday Night

Partly cloudy, with a low around 24. West wind around 10 mph.

Friday

Mostly sunny, with a high near 38.

Friday Night

Mostly cloudy, with a low around 26.

Saturday

A chance of snow showers after 11am. Some thunder is also possible. Partly sunny, with a high near 33.