Critical Fire Weather Conditions Continue; Pacific Storm to Bring Heavy Snow to the Sierra-Nevada

Critical fire weather conditions are forecast for the Southern Plains and portions of Florida through Thursday, as gusty winds and dry conditions return to the region. A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast and central Great Basin, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. 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.

light drizzle

46°F

8°C

Humidity	56%
Wind Speed	SW 10 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	21 Apr 11:35 AM PDT

More Information:

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

Extended Forecast for

5 Miles ESE Mammoth Lakes CA

Winter Weather Advisory until April 22, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until April 22, 05:00pm
NOW until 5:00pm Wed
Winter Weather Advisory
Today
High: 33 °F
Heavy Snow
and Very
Windy
Tonight
Low: 15 °F
Heavy Snow
and Very
Windy then
Heavy Snow
and Windy
Wednesday
High: 29 °F
Slight Chance
Snow Showers
and Windy
Wednesday Night
Low: 16 °F
Mostly Clear
Thursday
High: 38 °F
Sunny
Thursday Night
Low: 24 °F
Partly Cloudy
Friday
High: 39 °F
Mostly Sunny
Friday Night
Low: 25 °F
Mostly Cloudy

Detailed Forecast

Today

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 33. Very windy, with a southwest wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 6 to 10 inches possible.

Tonight

Snow showers, mainly before 2am. 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 30 to 35 mph in the evening. Winds could gust as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 14 inches possible.

Wednesday

A slight chance of snow showers before 8am, then a slight chance of snow showers after 11am. Mostly sunny, with a high near 29. Windy, with a southwest wind 25 to 30 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 20%.

Wednesday Night

Mostly clear, with a low around 16. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday

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

Thursday Night

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

Friday

Mostly sunny, with a high near 39.

Friday Night

Mostly cloudy, with a low around 25.

Saturday

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