Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

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

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

28°F

-2°C

Humidity	58%
Wind Speed	N 0 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Last update	20 Apr 04:55 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 Storm Watch April 21, 05:00am until April 22, 05:00pm

Lake Wind Advisory April 20, 11:00am until April 20, 10:00pm

Click here for hazard details and duration

Winter Storm Watch

Lake Wind Advisory

Today
High: 44 °F
Mostly Sunny
and Windy
Tonight
Low: 29 °F
Mostly Clear
and Windy
Tuesday
High: 35 °F
Heavy Snow
and Very
Windy
Tuesday Night
Low: 17 °F
Very Windy.
Heavy Snow
then Chance
Snow Showers
Wednesday
High: 31 °F
Chance Snow
Showers and
Windy
Wednesday Night
Low: 18 °F
Mostly Clear
and Breezy
then Mostly
Clear
Thursday
High: 38 °F
Sunny
Thursday Night
Low: 23 °F
Mostly Clear
Friday
High: 39 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 44. Windy, with a south wind 25 to 30 mph, with gusts as high as 45 mph.

Tonight

Mostly clear, with a low around 29. Windy, with a south wind 30 to 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 35. Very windy, with a south wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Tuesday Night

Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 17. Very windy, with a southwest wind 35 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Wednesday

A 30 percent chance of snow showers, mainly before 11am. Mostly sunny, with a high near 31. Windy, with a southwest wind 25 to 30 mph decreasing to 20 to 25 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 18. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

Thursday

Sunny, with a high near 38.

Thursday Night

Mostly clear, with a low around 23.

Friday

Sunny, with a high near 39.

Friday Night

Partly cloudy, with a low around 24.

Saturday

A slight chance of snow showers. Mostly sunny, with a high near 39.