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.

unknown precip

27°F

-3°C

Humidity	92%
Wind Speed	NW 8 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	25°F (-4°C)
Visibility	8.00 mi
Wind Chill	19°F (-7°C)
Last update	22 Apr 01:15 AM PDT

More Information:

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

Extended Forecast for

6 Miles SE Mammoth Lakes CA

Winter Weather Advisory April 22, 01:38am until April 22, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory April 22, 01:38am until April 22, 05:00pm
NOW until 5:00pm Wed
Winter Weather Advisory
Overnight
Low: 15 °F
Snow Showers
Likely and
Very Windy
Wednesday
High: 29 °F
Slight Chance
Snow Showers
and Windy
Wednesday Night
Low: 15 °F
Mostly Clear
and Breezy
then Mostly
Clear
Thursday
High: 39 °F
Sunny
Thursday Night
Low: 24 °F
Partly Cloudy
Friday
High: 39 °F
Partly Sunny
Friday Night
Low: 25 °F
Mostly Cloudy
and Breezy
then Partly
Cloudy
Saturday
High: 33 °F
Chance Snow
Showers and
Breezy

Detailed Forecast

Overnight

Snow showers likely, mainly before 2am. Partly cloudy, with a low around 15. Very windy, with a southwest wind 35 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 6 to 10 inches possible.

Wednesday

A slight chance of snow showers between 11am and 2pm. Sunny, with a high near 29. 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 20%.

Wednesday Night

Mostly clear, with a low around 15. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

Thursday

Sunny, with a high near 39. West wind around 10 mph becoming northwest in the morning.

Thursday Night

Partly cloudy, with a low around 24. West wind 5 to 15 mph.

Friday

Partly sunny, with a high near 39. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Friday Night

Mostly cloudy, with a low around 25. Breezy.

Saturday

A chance of snow showers after 11am. Partly sunny, with a high near 33. Breezy.