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.

Mostly Cloudy

48°F

9°C

Humidity	26%
Wind Speed	SE 9 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	21 Apr 02:15 AM PDT

More Information:

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

Extended Forecast for

10 Miles ESE 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: 31 °F
Mostly Clear
and Windy
Tuesday
High: 43 °F
Heavy Snow
and Very
Windy
Tuesday Night
Low: 18 °F
Heavy Snow
and Very
Windy
Wednesday
High: 38 °F
Slight Chance
Snow Showers
and Windy
Wednesday Night
Low: 19 °F
Mostly Clear
Thursday
High: 47 °F
Sunny
Thursday Night
Low: 25 °F
Partly Cloudy
Friday
High: 48 °F
Mostly Sunny
Friday Night
Low: 27 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 31. Windy, with a south wind around 30 mph, with gusts as high as 50 mph.

Tuesday

Snow showers, mainly after 8am. The snow could be heavy at times. Some thunder is also possible. High near 43. Very windy, with a south wind 35 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Tuesday Night

Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 18. Very windy, with a southwest wind 40 to 45 mph decreasing to 30 to 35 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Wednesday

A 20 percent chance of snow showers. Mostly sunny, with a high near 38. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.

Wednesday Night

Mostly clear, with a low around 19. West wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday

Sunny, with a high near 47. West wind 10 to 15 mph.

Thursday Night

Partly cloudy, with a low around 25.

Friday

Mostly sunny, with a high near 48.

Friday Night

Partly cloudy, with a low around 27.

Saturday

A slight chance of snow showers between 11am and 2pm, then a chance of rain and snow showers. Partly sunny, with a high near 46.