Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from February 15, 10:00 PM PST until February 18, 10:00 PM PST

Current conditions at

Top Stn/Summit (MTH03)

Lat: 37.63059°NLon: 119.03282°WElev: 11034.0ft.

21°F

-6°C

Humidity	57%
Wind Speed	NW 3 MPH
Barometer	NA
Dewpoint	8°F (-13°C)
Visibility	NA
Last update	13 Feb 06:20 PM PST

More Information:

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

Extended Forecast for

2 Miles W Mammoth Lakes CA

Winter Storm Watch February 15, 10:00pm until February 18, 10:00pm

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 20 °F
Partly Cloudy
Saturday
High: 32 °F
Mostly Sunny
and Breezy
Saturday Night
Low: 19 °F
Partly Cloudy
and Windy
Sunday
High: 29 °F
Mostly Sunny
and Windy
Sunday Night
Low: 18 °F
Heavy Snow
and Windy
Washington's Birthday
High: 22 °F
Heavy Snow
and Windy
Monday Night
Low: 15 °F
Heavy Snow
and Very
Windy
Tuesday
High: 19 °F
Heavy Snow
and Very
Windy
Tuesday Night
Low: 11 °F
Heavy Snow
and Very
Windy

Detailed Forecast

Tonight

Partly cloudy, with a low around 20. Southwest wind 5 to 10 mph.

Saturday

Mostly sunny, with a high near 32. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

Saturday Night

Partly cloudy, with a low around 19. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph.

Sunday

Mostly sunny, with a high near 29. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 40 mph.

Sunday Night

Snow likely, mainly after 4am. The snow could be heavy at times. Mostly cloudy, with a low around 18. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of 4 to 8 inches possible.

Washington's Birthday

Snow. The snow could be heavy at times. High near 22. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

Monday Night

Snow. The snow could be heavy at times. Low around 15. Very windy. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

Tuesday

Snow. The snow could be heavy at times. Cloudy, with a high near 19. Very windy.

Tuesday Night

Snow. The snow could be heavy at times. Cloudy, with a low around 11. Very windy.

Wednesday

Snow. The snow could be heavy at times. Mostly cloudy, with a high near 14. Breezy.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 4.

Thursday

A chance of snow. Partly sunny, with a high near 20.

Thursday Night

A chance of snow. Partly cloudy, with a low around 8.