Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Lake Wind Advisory in effect from April 20, 11:00 AM PDT until April 20, 10:00 PM PDT
Winter Weather Advisory in effect from April 21, 05:00 AM PDT until April 22, 05:00 PM PDT

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Partly Cloudy

59°F

15°C

Humidity	18%
Wind Speed	S 6 MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Last update	20 Apr 06:35 PM PDT

More Information:

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

Extended Forecast for

12 Miles ENE Mammoth Lakes CA

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

Lake Wind Advisory until April 20, 10:00pm

Click here for hazard details and duration

Winter Weather Advisory

...

Lake Wind Advisory until April 20, 10:00pm
NOW until 10:00pm Mon
Lake Wind Advisory
Tonight
Low: 30 °F
Mostly Clear
and Breezy
then Mostly
Clear
Tuesday
High: 56 °F
Breezy.
Showers
Likely then
Rain/Snow
Tuesday Night
Low: 21 °F
Snow Showers
and Breezy
then Chance
Snow Showers
Wednesday
High: 50 °F
Slight Chance
Snow Showers
then Sunny
Wednesday Night
Low: 19 °F
Mostly Clear
Thursday
High: 57 °F
Sunny
Thursday Night
Low: 26 °F
Partly Cloudy
Friday
High: 58 °F
Mostly Sunny

Detailed Forecast

Tonight

Mostly clear, with a low around 30. Breezy, with a south wind 15 to 20 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 30 mph.

Tuesday

Rain showers before 3pm, then rain and snow showers. Some thunder is also possible. Snow level 8400 feet lowering to 7600 feet in the afternoon . High near 56. Breezy, with a southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow showers, mainly before 11pm. Low around 21. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday

A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 50. West wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 19. West wind 5 to 10 mph becoming light in the evening.

Thursday

Sunny, with a high near 57. Calm wind becoming northwest around 5 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 26.

Friday

Mostly sunny, with a high near 58.

Friday Night

A slight chance of showers before 11pm. Snow level 8200 feet lowering to 7600 feet after midnight . Partly cloudy, with a low around 26.

Saturday

A slight chance of showers and thunderstorms after 11am. Snow level 7200 feet rising to 7900 feet in the afternoon. Mostly sunny, with a high near 57.

Saturday Night

A slight chance of showers. Snow level 8200 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 26.

Sunday

A slight chance of showers. Snow level 7000 feet rising to 7700 feet in the afternoon. Mostly sunny, with a high near 55.

Sunday Night

Partly cloudy, with a low around 23.

Monday

Mostly sunny, with a high near 57.