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

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.

Clear

50°F

10°C

Humidity	25%
Wind Speed	S 12 MPH
Barometer	29.99 in (1015.58 mb)
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	21 Apr 12:35 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 21, 05:00am until April 22, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 29 °F
Mostly Clear
and Windy
Tuesday
High: 34 °F
Heavy Snow
and Very
Windy
Tuesday Night
Low: 15 °F
Heavy Snow
and Very
Windy
Wednesday
High: 29 °F
Chance Snow
Showers and
Windy
Wednesday Night
Low: 16 °F
Mostly Clear
Thursday
High: 38 °F
Sunny
Thursday Night
Low: 23 °F
Partly Cloudy
Friday
High: 40 °F
Mostly Sunny
Friday Night
Low: 25 °F
Mostly Cloudy
and Breezy
then Partly
Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 29. Windy, with a south wind around 35 mph, with gusts as high as 55 mph.

Tuesday

Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible. High near 34. Very windy, with a south wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Tuesday Night

Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 15. Very windy, with a southwest wind 40 to 45 mph decreasing to 35 to 40 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Wednesday

A 30 percent chance of snow showers, mainly after 11am. Mostly 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. Little or no snow accumulation expected.

Wednesday Night

Mostly clear, with a low around 16. Southwest wind around 15 mph, with gusts as high as 25 mph.

Thursday

Sunny, with a high near 38. Southwest wind 10 to 15 mph.

Thursday Night

Partly cloudy, with a low around 23.

Friday

Mostly sunny, with a high near 40.

Friday Night

Partly cloudy, with a low around 25. Breezy.

Saturday

A chance of snow showers, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 37.